prompt,prompt_len,target
"Q: What does a keratometer measure in the cornea?
A: curve",18,1
"Q: What do you call the energy that must be overcome in order for a chemical reaction to occur, or the minimum energy required to start a chemical reaction?
A: expression energy",38,0
"Q: What is caused by human actions that releases chemical substances and particles into the air?
A: air pollution",24,1
"Q: What will happen to a rock when it's under tremendous stress?
A: it will slow",23,0
"Q: What is name for a piece of collagen-rich skin formed after the process of wound healing that differs from normal skin?
A: scar",31,1
"Q: Chemical formulas for ionic compounds are called what?
A: electronic formulas",17,0
"Q: What limits the growth or development of an organism, population, or process?
A: decreasing factor",23,0
"Q: When two skateboarders push against each other what happens?
A: they move apart",20,1
"Q: Both mitosis and meiosis result in eukaryotic cells doing what?
A: dividing",18,1
"Q: The concentration of hydrogen ions in a solution is called?
A: acidity",18,1
"Q: How many different ways can molecules pass through a phospholipid membrane?
A: three",20,1
"Q: What occurs when light interacts with our atmosphere?
A: prism effect",17,0
"Q: A rise in blood glucose levels triggers the pancreatic release of what hormone?
A: hemoglobin",21,0
"Q: What is the term for plants that lack vascular tissues, roots, leaves, seeds, and flowers?
A: chloroplasts",28,0
"Q: What kind of charges do protons give the nucleus?
A: positive",17,1
"Q: Wind power, solar power, hydropower, and geothermal power are called renewable sources of energy or what other term?
A: alternative energy",30,1
"Q: What supports the scapula, transmits the weight and forces from the upper limb to the body trunk, and protects the underlying nerves and blood vessels?
A: bladder",36,0
"Q: Binary fission is an example of which type of production?
A: asexual",18,1
"Q: What instrument made it possible to study pressure quantitatively?
A: barometer",17,1
"Q: What is the name of a branch of the chemistry that deals with the interconversion of chemical energy and electrical energy?
A: electrochemistry",31,1
"Q: What happens to the mass number during a nuclear decay process by positron emission?
A: remains unchanged",23,1
"Q: What is the name of the cloud where most long-period comets come from?
A: stellar cloud",24,0
"Q: The movement of bone away from the midline of the body is called what?
A: extension",22,1
"Q: If pressure is exerted on the rock from one direction, the rock forms layers. this is called what?
A: foliation",29,1
"Q: What is made up of the pinna, ear canal, and eardrum?
A: the outer ear",26,1
"Q: What system consists of all the muscles of the body?
A: vascular",18,0
"Q: The four phases of mitosis are prophase, metaphase, anaphase and what?
A: spirogyra",26,0
"Q: Electromagnetic waves are generally caused by magnetic fields doing what (or moving in what way)?
A: vibrating",24,1
"Q: Earth spinning as air moves over its surface causes what?
A: seasons",18,0
"Q: The accumulation of what cells begin the development of the vertebral column and thoracic cage?
A: semiosis cells",25,0
"Q: A major disturbance in what results in an episode of severe weather called a storm?
A: the atmosphere",24,1
"Q: To the extent that behaviors are controlled by what, they may evolve through natural selection?
A: genes",24,1
"Q: Snippet 2: one of the reasons the periodic table is so useful is because its structure allows us to qualitatively determine how some properties of the elements vary versus their position on the periodic table. the variation of properties versus position on the periodic table is called what?
A: periodic trends",61,1
"Q: While in the lungs, blood gives up carbon dioxide and picks up what element before returning to the heart?
A: nitrogen",28,0
"Q: What type of galaxies are oval shaped, red or yellow, and contain mostly old stars?
A: ovoid anomalies",27,0
"Q: What force is greater on rougher surfaces than smooth surfaces?
A: tension",19,0
"Q: What type of vertebrates control body temperature to just a limited extent from the outside by changing behavior?
A: etheric",27,0
"Q: In multicellular organisms, only mutations in cell lines that produce gametes can be passed to what?
A: offspring",27,1
"Q: Where does visible light fall in between on the electromagnetic spectrum?
A: infrared light and specific light",23,0
"Q: How are layers of the atmosphere divided?
A: air gradients",16,0
"Q: When a solute dissolves into a solvent what is that called?
A: solubility",19,0
"Q: What does interspecific competition between species often lead to?
A: extinction",18,1
"Q: What type of behavior is frogs croaking or deer clashing antlers an example of?
A: courtship",24,1
"Q: The prostate gland secretes a fluid that mixes with sperm to help form what?
A: testosterone",23,0
"Q: Mammals belong to which class of vertebrates?
A: endothermic",16,1
"Q: Through this process, algae provide glucose for the ecosystem?
A: spermatogenesis",19,0
"Q: Why would prokaryotes be chemotrophs instead of phototrophs in a deep-sea hydrothermal vent?
A: lack of light",31,1
"Q: ""direct"" and ""alternating"" are two kinds of what, which is associated with electricity?
A: current",27,1
"Q: What type of metal is a good conductor of electricity?
A: copper",18,1
"Q: What structures of the cardiovascular system help regulate body processes by either constricting or dilating?
A: muscles",26,0
"Q: Which kind of irrigation uses much less water than other methods?
A: constant",19,0
"Q: The diversity of alleles and genotypes within a population is known as genetic what?
A: variance",22,1
"Q: After passing through capillaries and being filtered, clean blood leaves what organ through a vein?
A: kidney",24,1
"Q: What is the only way of transferring energy that doesn't require matter?
A: mutation",22,0
"Q: What year did the soho spacecraft first started to operate?
A: 2012",23,0
"Q: Sugar and starch are examples of what type of nutrient?
A: proteins",18,0
"Q: Organisms that lack both a nucleus and membrane-bound organelles are known as what, in general?
A: photosynthetic",26,0
"Q: What disease associated with smoking involves breakdown of walls of the alveoli, resulting in less gas exchange by the lungs?
A: leukemia",30,0
"Q: During mitosis what is replicated in the primary spermatocyte?
A: mitochondira",21,0
"Q: What group of animals has permeable skin that makes them vulnerable to pollution?
A: amphibians",21,1
"Q: Water droplets form when the air reaches 100-percent what?
A: humidity",22,1
"Q: Weight is a measure of what force pulling down on an object?
A: light",20,0
"Q: What do you call a unique substance formed when two or more elements combine chemically?
A: component",23,0
"Q: With an increased understanding of gene regulation and gene function, medicines can be designed to specifically target diseased cells without harming these?
A: hosts",31,0
"Q: Steam consists of what common and essential element in its gaseous phase?
A: carbon dioxide",21,0
"Q: What was the informal female name given to the adult fossil found in ethiopia and thought to be over 3 million years old?
A: alice",34,0
"Q: In which way do vertebrates reproduce?
A: sexually",14,1
"Q: What form of energy is light?
A: hydro",14,0
"Q: What happens to the crust if the moving oceanic crust reaches a deep sea trench?
A: ocean volcano",24,0
"Q: Prior to birth, the lungs are filled with amniotic fluid, mucus, and what else?
A: blood",26,0
"Q: What kind of rays can travel thousands of meters through air and can penetrate and damage cells deep inside the body?
A: gamma rays",30,1
"Q: What term is used to describe viruses that live in a dormant state inside the body?
A: latency",24,1
"Q: What happens to old oceanic crust at convergent boundaries?
A: destroyed",17,1
"Q: What term is used to describe the electrostatic process used by most copy machines?
A: xerography",23,1
"Q: Plants and fungi cells have what basic cell structure, which animals do not have?
A: cell wall",24,1
"Q: Osteoporosis, osteoarthritis, fractures, and sprains are problems affecting what system?
A: digestive system",24,0
"Q: Sporangia produce spores that develop into tiny, heart-shaped what?
A: gametophytes",24,1
"Q: A turbine using tides in the ocean can create what type of energy?
A: electricity",21,1
"Q: What type pf mining is used to obtain mineral ores that are near the surface?
A: multi-layered mining",26,0
"Q: Which crust lies deep inside the ocean?
A: shallowest",16,0
"Q: Which planet is closest to the sun?
A: Earth",15,0
"Q: What are the properties of solutions called that depend only on the concentration of dissolved particles and not on their identity?
A: platyhelminth properties​",34,0
"Q: Two types of interference found in waves are constructive and what else?
A: osmotic",20,0
"Q: Our sun is on the main sequence, like most stars, and it is classified by what colorful name?
A: white dwarf",29,0
"Q: What is defined as the mass per unit volume of a substance?
A: density",20,1
"Q: Where is the guinea worm a serious problem?
A: africa",16,1
"Q: What carries blood away from the heart?
A: arteries",15,1
"Q: Bonding in molecules with resonance forms is better described by which theory?
A: Geiger theory",21,0
"Q: If hot water becomes trapped, pressure may build up. when the water breaks free, it creates what?
A: groundwater",28,0
"Q: What is the network of vessels and tissues that carry a clear fluid called lymph called?
A: excretory system",27,0
"Q: What is it called when rays focus at different distances from the lens?
A: constant aberration",22,0
"Q: What scientist created the modern system for classifying organisms?
A: linnaeus",18,1
"Q: What type of gases are used for balloons, light bulbs and lighted signs?
A: noble",22,1
"Q: Most carcinogens produce mutations in genes that control what?
A: cell cycle",19,1
"Q: What is the process of removing wastes and excess water from the body called?
A: inspiration",22,0
"Q: What do you call the illness that occurs when harmful bacteria enter the digestive system in food?
A: bacteria poisoning",26,0
"Q: Bacteria are often used to make cheese from what?
A: meat",17,0
"Q: What results from the consumption of pathogenic bacteria, viruses, or parasites that contaminate food?
A: airborne diseases",25,0
"Q: What is a continuous flow of electric charge called?
A: electric current",18,1
"Q: What are compounds formed by ionic bonds called?
A: ionic compounds (salts)",21,1
"Q: Recrystallization is a process that can remove what, which result when compounds are synthesized?
A: contaminants",25,1
"Q: What do most amphibians breathe with as larvae?
A: pores",16,0
"Q: What map shows the locations of several genes on the x chromosome?
A: The genomic map",22,0
"Q: The number of moles of solute in 1 kg of solvent is defined as what?
A: molarity",25,1
"Q: All the blood in the human body is filtered about 60 times a day by what?
A: kidneys",26,1
"Q: Images in what type of mirror are reversed left and right but not reversed top and bottom?
A: plane mirror",26,1
"Q: What kind of islands provide natural protection to shorelines?
A: barrier islands",20,1
"Q: The “knee-jerk"" motion that people involuntarily perform after being struck in the knee in a certain way is an example of what kind of behavior?
A: reaction",37,0
"Q: What glands are wedges of glandular and neuroendocrine tissue adhering to the top of the kidneys by a fibrous capsule?
A: heart glands",31,0
"Q: Kidney stones are considered a disease that affects which system?
A: muscular system",19,0
"Q: What is a gram stain used to identify ?
A: radioactivity",16,0
"Q: What layer, made of hot, solid rock, is beneath the earth's crust?
A: marble",25,0
"Q: What states that chemical reactions occur when atoms, ions, or molecules collide?
A: collision theory",23,1
"Q: The thermal properties of what substance largely contribute to the temperature climate of europe?
A: lava",22,0
"Q: How did lamarck believe species change over time?
A: became larger",18,0
"Q: What is an odorless white solid that is harmless unless consumed in large quantities?
A: Hydrogen",23,0
"Q: What works by providing a lower energy pathway from reactants to products?
A: catalyst",20,1
"Q: What is the process of generating electric current with a magnetic field?
A: mechanical induction",21,0
"Q: What is the closed circulatory system of humans and other vertebrates called?
A: digestive system",21,0
"Q: A van de graff generator produces what type of charge on its dome, causing the tendency to give up electrons?
A: negative charge",31,1
"Q: When does a caldera form?
A: after an eruption",15,1
"Q: Other than nitrogen, which nutrient most often limits marine production?
A: potassium",19,0
"Q: What do nonvascular plants reproduce with?
A: photosynthesis",15,0
"Q: How many more legs do spiders have compared to insects?
A: six",18,0
"Q: In drosophila, gradients of morphogens encoded by maternal effect genes determine what?
A: cell mass",24,0
"Q: What is the largest part of the brain?
A: cerebrum",17,1
"Q: When warm air rises up to the tropopause, where does it flow?
A: north or south",24,1
"Q: Which radiations helps sterilize medical supplies?
A: ionizing radiation",17,1
"Q: What is the state of matter that resembles a gas, but is made of ions, giving it different properties than a typical gas?
A: plasma",33,1
"Q: How do parathyroid hormones react as a body ages?
A: use with age",20,0
"Q: What material is regularly used in human hip and knee implants?
A: wood",19,0
"Q: What is the outer layer of the adrenal gland called?
A: adrenal skin",19,0
"Q: What structure passes oxygen and nutrients to a growing fetus in mammals?
A: placenta",20,1
"Q: Because of their reactivity, we do not find most representative metals as free elements where?
A: in nature",25,1
"Q: Alterations that change chromosome structure are known as?
A: mutations",17,1
"Q: What is occasional chest pain known as?
A: angina pectoris",17,1
"Q: What is the group of all the eukaryotes that are not fungi, animals, or plants called?
A: protists",28,1
"Q: The quarks in a particle are confined, meaning individual quarks cannot be what?
A: directly observed",23,1
"Q: Untreated botulism is typically fatal because muscles required for breathing fail to contract when the release of what chemical is blocked?
A: carbon dioxide",32,0
"Q: What organic catalysts work by lowering the activation energy needed to start biochemical reactions?
A: hormones",22,0
"Q: Which enzyme is used in step three of the polymerase chain reaction because of it's ability to withstand high temperatures?
A: minocycline polymerase",33,0
"Q: Niche refers to the role a species plays in what?
A: the habitat",19,0
"Q: Oxygenated blood is transported by what system?
A: circulatory",16,1
"Q: What does the sebaceous gland secrete which waterproofs the skin and hair?
A: pus",22,0
"Q: Rather than being dead, dry, and brittle, what support structures of the human body consist of living tissues and are supplied with blood and nerves?
A: bones",36,1
"Q: What are flightless birds that are strong swimmers and spend much of their time in the water?
A: Emus",27,0
"Q: No chemical process on the planet can match the output of what process?
A: photosynthesis",21,1
"Q: Soft cartilage gradually turns into hard bone through what process?
A: ossification",19,1
"Q: Lysosomes have what type of enzymes that break down old molecules into parts that can be recycled?
A: digestive",26,1
"Q: What nerves are connected to the spinal cord?
A: spinal nerves",17,1
"Q: The axon terminates on muscle fibers at the neuromuscular junction. acetylcholine is released at this specialized synapse, which causes the muscle action potential to begin, following a large potential known as an end plate potential. when the lower motor neuron excites the muscle fiber, it contracts. all of this occurs in a fraction of a second, but this story is the basis of how this functions?
A: cardiovascular system",82,0
"Q: In 1802, charles and gay-lussac both proposed that for a fixed amount of gas at a constant pressure, what is directly proportional to its absolute temperature?
A: air",43,0
"Q: What happens to water when it is heated in the broiler?
A: it evolves",20,0
"Q: Why is uranus so faint?
A: far away",15,1
"Q: Weather maps show storms, air masses, and what?
A: fronts",18,1
"Q: Which organ secretes estrogen?
A: the ovaries",14,1
"Q: What is the force of attraction that holds together positive and negative ions?
A: electron bond",22,0
"Q: What are the key cells of an immune response?
A: lymphocytes",17,1
"Q: In response to high blood osmolarity, which can occur during dehydration or following a very salty meal, the osmoreceptors signal the posterior pituitary to release this?
A: adrenaline",40,0
"Q: Australia is home to many endemic species. the (a) wallaby (wallabia bicolor), a medium-sized member of the kangaroo family, is a pouched mammal, or this?
A: primate",45,0
"Q: What kind of mammalian reproduction is risky for the offspring but not the mother?
A: asexual",22,0
"Q: Water gains and loses what more slowly than does land, affecting seasonal conditions inland and on the coast?
A: volume",27,0
"Q: What helps us see rainbows in the sky?
A: visible light",17,1
"Q: What does bile help to digest ?
A: fat",14,1
"Q: What are fresh water biomes defined by?
A: high salt content",18,0
"Q: What type of energy is the energy of moving matter?
A: kinetic energy",19,1
"Q: Most members of what kingdom of spore-making organisms grow on the forest floor, where the dark and damp environment is rich?
A: fungi",32,1
"Q: What blood pressure reading measures the pressure in the vessels between heartbeats?
A: metabolic",21,0
"Q: Starch and glycogen, as well as simple sugars like glucose and fructose, can all be categorized broadly as what?
A: carbohydrates",29,1
"Q: What is the process of processing used material into new ones called?
A: recycling",20,1
"Q: As the prokaryotic cell size increases, what happens to its surface area-to-volume ratio?
A: decreases",27,1
"Q: The tensor fascia latae acts as what, in relation to the gluteus medius and iliopsoas, for the purpose of flexing and abducting the thigh?
A: synergist",44,1
"Q: What two forces tend to keep an animal stationary and thus oppose locomotion?
A: friction and gravity",23,1
"Q: Insulin and glucagon help keep blood glucose levels in the normal range because of what type of effects?
A: sympathetic",27,0
"Q: The longest period of daylight hours occurs at the beginning of what season?
A: summer",21,1
"Q: What is the force that pulls particles at the exposed surface of a liquid toward other liquid particles called?
A: surface tension",28,1
"Q: The sympathetic division of the vertebrate autonomic nervous system has evolved the fight-or-flight response to counter stress-induced disruptions of this?
A: body temperature",35,0
"Q: Gases such as co2 and methane can trap what energy in earth's atmosphere, before radiating it into space?
A: mechanical energy",31,0
"Q: What are single-celled or colonial organisms that do not have membranebound nuclei?
A: prokaryotes",25,1
"Q: When the air temperature reaches the dew point, water vapor starts to do what?
A: condense",23,1
"Q: What do you get by multiplying volume by the density of water?
A: velocity of water",22,0
"Q: Incomplete dominance and epistasis are both terms that define what?
A: learned behaviors",21,0
"Q: What the scientific concept stating that when looking at two competing theories, the one with fewer assumptions should be chosen?
A: law of thermodynamics",31,0
"Q: The boiling point of a solution is higher than the boiling point of the pure solvent, but the opposite occurs with this?
A: freezing point",32,1
"Q: What hormone does the endocrine system secrete to help cells absorb blood sugar?
A: glucose",21,0
"Q: Fructose and lactose are types of sugars broken down by the body to form what, which is the simplest sugar of all?
A: glucose",32,1
"Q: What substance do the leaves of plants take in from the environment?
A: oxygen",20,0
"Q: A catalyst can increase the rate of what, in general?
A: mechanicl reaction",21,0
"Q: What is the fluid that carries sperm through the urethra and out of the body, and provides it with nutrients?
A: semen",29,1
"Q: Fruit begins to ripen because what gas is released?
A: sulfur",17,0
"Q: What is composed of very long strands of glucose monomers, is largely indigestible and comprises the cell walls of plants?
A: cellulose",31,1
"Q: What are the attractive forces that occur between polar molecules called?
A: induced-dipole forces",23,0
"Q: Compounds that contain mainly the elements carbon and hydrogen are called what kind of compounds?
A: organic compounds",24,1
"Q: In great apes, what process lasts 8-9 months and usually results in the birth of a single offspring?
A: gestation",30,1
"Q: Birds possess a cloaca, a structure that allows water to be reabsorbed from waste back into this?
A: intestines",28,0
"Q: How many atoms are evenly organized around a central atom?
A: four",18,0
"Q: Electric generators change kinetic energy to what type of energy?
A: electrical",18,1
"Q: Methyl groups are found within what?
A: rna acids",16,0
"Q: Sperm propel themselves through secretions in the uterus and enter what tube?
A: gaseous",20,0
"Q: What type of archaea live in salty environments?
A: arthropods",18,0
"Q: What phenomenon is crowding out other species and making all the other causes of extinction worse?
A: human overpopulation",26,1
"Q: In headwater streams, what plant process is mostly attributed to algae that are growing on rocks?
A: photosynthesis",26,1
"Q: What type of scientists study the effects people have on their environment?
A: environmental scientists",21,1
"Q: Sulfur can combine with oxygen to produce what?
A: sulfur trioxide",18,1
"Q: What do people use from aquifers from springs or wells?
A: fresh water",19,1
"Q: Sickle-cell disease significantly impairs the function of what?
A: circulatory system",21,1
"Q: When matter reacts, there can be what that comes from nowhere and is unaccounted for?
A: concentrations",25,0
"Q: What makes luminous dials glow in the dark?
A: phosphorescent substances",19,1
"Q: What is the preferred food for almost all primates except for humans?
A: fruit",20,1
"Q: Insulin and glucagon help keep blood glucose levels in the normal range because of what type of effects?
A: sympathetic",27,0
"Q: The periodic table is an arrangement of the elements in order of increasing what?
A: atomic numbers",23,1
"Q: What is only effective if ventilation is matched to blood flow through alveolar capillaries?
A: breathing control",23,1
"Q: What are the most dramatic, sudden, and dangerous types of mass wasting?
A: earthquakes",22,0
"Q: Plants alternate between haploid and what?
A: diploid",15,1
"Q: What is a three-dimensional anticline called?
A: cave",17,0
"Q: Restoring nitrogen to the soil is one reason for what agricultural practice?
A: crop rotation",22,1
"Q: Molds, pollen, and pet dander are examples of air pollution with what type of source?
A: ecological",27,0
"Q: Glaciers modify the landscape by what?
A: erosion",15,1
"Q: What is the ratio of a wave frequency to its vibration frequency?
A: one",20,0
"Q: What are ingrowths on arthropod exoskeletons to which muscles attach?
A: joints",25,0
"Q: Pakicetus and rodhocetus are considered to be ancestors of modern what?
A: whales",24,1
"Q: Which form of matter assumes the shape of its container?
A: solids",18,0
"Q: The outer planets are made of hydrogen and helium, so they are termed what?
A: hydrogen giants",24,0
"Q: What is the sun classified as on the main sequence?
A: yellow dwarf",19,1
"Q: What is a benefit of low sulfur coal over high sulfur coal?
A: greater enerty",22,0
"Q: Getting the same result when an experiment is repeated is called what?
A: replication",20,1
"Q: Groundwater dissolves minerals and rocks into what?
A: gravel",15,0
"Q: What structure of the heart receives oxygen-poor blood from the body, then pumps the blood into the right ventricle?
A: right atrium",31,1
"Q: What is the membrane that surrounds a fetus called?
A: amniotic sac",19,1
"Q: During interphase of what process, each chromosome is duplicated, and the sister chromatids formed during synthesis are held together at the centromere region by cohesin proteins?
A: mitosis",42,0
"Q: What forms the changing shapes of sand dunes?
A: temperature",16,0
"Q: Deep ocean currents are caused by differences in what property at the top and bottom?
A: diameter",23,0
"Q: What is the name of the scientific field that deals with the general study of the solid earth?
A: geology",26,1
"Q: What happens to the electrical conductivity of metals when placed in a pot of boiling water?
A: decreases slowly",25,1
"Q: The conducting zone of the respiratory system includes the organs and structures not directly involved in what?
A: gas exchange",26,1
"Q: The enzymes that participate in fatty acid catabolism are located in what?
A: mitochondria",22,1
"Q: Located above the stratosphere, what layer is the place where meteors burn up?
A: unisphere",25,0
"Q: What are located on either side of the pharynx in the throat?
A: wrinkles",20,0
"Q: Conductivity, oxidation state and physical appearance are properties that help determine whether what are metals?
A: atoms",24,0
"Q: Average speed is equal to distance divided by what?
A: weight",17,0
"Q: What mainly gives the body energy?
A: water",14,0
"Q: Cell transport refers to the movement of substances across what structure?
A: cell wall",20,0
"Q: What is it called when a new species arises without geographic separation?
A: spontaneous evolution",21,0
"Q: What is the pairing of an adult male to an adult female to produce young?
A: evolution",23,0
"Q: Chromosomes consist of what material made up of strings of dna?
A: chromatin",20,1
"Q: When animals use incubation, how do they generally give birth to their young?
A: copying",22,0
"Q: What is the world’s most serious resource problem?
A: water scarcity",19,1
"Q: When blood vessels in the head dilate, what kind of severe headache can occur?
A: migraine",24,1
"Q: What do winter storms develop from at higher latitudes?
A: humidity",17,0
"Q: What term means the amount of a substance required to form a saturated solution in a given amount of solvent at a specified temperature?
A: viscosity",32,0
"Q: Light-weight air-filled bones and a large four-chambered heart helps a bird do what?
A: fly",28,1
"Q: What is a sac-like organ at the end of the esophagus?
A: appendix",21,0
"Q: Nervous tissue consists of just two basic types of nerve cells: neurons and?
A: glial cells",24,1
"Q: Spores are the basic reproductive units of what organism?
A: fungi",18,1
"Q: Toward the late stages of pregnancy, a drop in progesterone and stretching forces from the fetus lead to increasing uterine irritability and prompt labor. contractions serve to dilate the cervix and expel this?
A: blood",44,0
"Q: Plant cuttings are an example of what type of reproduction?
A: homosexual",18,0
"Q: What is the process by which a liquid changes to a solid?
A: melting",20,0
"Q: Squamata is the largest order of what broad animal group, and includes lizards and snakes?
A: reptiles",25,1
"Q: What is the process by which producers use the energy in sunlight to make food?
A: photosynthesis",23,1
"Q: Release of spores in a suitable environment will lead to germination and a new generation of what?
A: assemblages",25,0
"Q: What occurs as a result of the discharge of static electricity?
A: lightning",19,1
"Q: Which enzyme is used in step three of the polymerase chain reaction because of it's ability to withstand high temperatures?
A: minocycline polymerase",33,0
"Q: Through which process is the human gene for insulin placed into bacteria?
A: transformation",20,1
"Q: How are bacteria cells similar to our cells?
A: shape and size",18,0
"Q: What has a bigger impact on water quality, natural events or human activity?
A: water quality",23,0
"Q: Amniotes are animals that produce eggs with membranes possessing what property, which allowed them to lay eggs on land?
A: waterproof",30,1
"Q: What consists mainly of parenchymal cells with chloroplasts?
A: periosteum",21,0
"Q: Convection in which part of the earth drives the movement of the plates of lithosphere over the earth’s surface?
A: atmosphere",31,0
"Q: Each cell and every living thing requires what?
A: potassium",16,0
"Q: What was first discovered in songbirds that produce new neurons while learning songs?
A: neurogenesis",23,1
"Q: Whereas each cell shares the same genome and dna sequence, each cell does not turn on, or express, the same set of what?
A: genes",34,1
"Q: What type of animal are most reptiles in regards to diet?
A: carnivores",20,1
"Q: What do glands in the skin produce to cool down the body?
A: sweat",20,1
"Q: What small biological structures make up all living things, including the human body?
A: proteins",22,0
"Q: An elastic collision is one that conserves internal energy of what type?
A: thermal",21,0
"Q: Not all structural rearrangements of chromosomes produce nonviable, impaired, or infertile individuals. in rare instances, such a change can result in the evolution of what?
A: new order",41,0
"Q: Through this process, algae provide glucose for the ecosystem?
A: spermatogenesis",19,0
"Q: With an increased understanding of gene regulation and gene function, medicines can be designed to specifically target diseased cells without harming these?
A: hosts",31,0
"Q: What gas comprises about three-fourths of earth's atmosphere?
A: hydrogen",20,0
"Q: The urinary system can be considered a smaller part of what other body system?
A: circulatory",22,0
"Q: What sequence is the primary structure of a protein?
A: amino acid sequence",19,1
"Q: What changes from heat or pressure during metamorphism?
A: minerals",17,1
"Q: What eukaryotic organisms cannot make their own food and do not technically eat?
A: cells",21,0
"Q: Terrestrial biomes are determined mainly by what?
A: climate",16,1
"Q: Which waves have the longest wavelengths but the least energy in the atmosphere?
A: microwaves",22,0
"Q: What type of roots enable a plant to grow on another plant?
A: Sickness",20,0
"Q: What are the secretions released by the endocrine glands called?
A: acids",18,0
"Q: The direction of the force of gravity is in what direction?
A: staggered line",20,0
"Q: What is the term for the movement of individuals out of a population?
A: succession",21,0
"Q: Influenza virus is packaged in a viral envelope, which fuses with the what?
A: plasma membrane",23,1
"Q: What forms when a glacier scrapes a large hole in the ground?
A: glacial lake",22,1
"Q: What planet in our solar system has a moon with volcanic activity?
A: jupiter",20,1
"Q: What part of the plant anchors it into the soil?
A: stems",18,0
"Q: The yellowstone hot spot is a famous example of a what?
A: continental hot spot",22,1
"Q: What is the scale on which acidity is measured?
A: ph",17,1
"Q: Groundwater does what to the rock beneath the ground surface?
A: accelerates it",19,0
"Q: The physical sciences can be divided into physics and what other science?
A: biology",20,0
"Q: What term means a reproductive cell, like the human egg in females?
A: gamete",22,1
"Q: In humans, a zygote has how many chromosomes?
A: 46",21,1
"Q: What is the gland in the chest behind the breast bone that stores some types of lymphocytes while they mature?
A: thymus",29,1
"Q: What occurs where the water motion slows?
A: diffusion",15,0
"Q: Why are continents unable to be pushed down into the mantle by plate boundaries?
A: buoyancy",22,1
"Q: What is the region known as the myelencephalon in the embryonic brain?
A: medulla",22,1
"Q: Modern taxonomy is based on many hypotheses' of the evolutionary history of organisms, known as this?
A: algorithm",26,0
"Q: Animal-like protists are called what?
A: protozoa",17,1
"Q: What is a measure of how much energy is needed to change the temperature of a substance?
A: thermal potential",26,0
"Q: Living things are highly organized following a hierarchy that includes atoms, molecules, organelles, cells, tissues, organs, and organ systems. organisms, in turn, are grouped as populations, communities, ecosystems, and this?
A: hydrosphere",51,0
"Q: Because they control many cell activities - as well as being controlled by feedback mechanisms - what substances are very important for homeostasis?
A: acids",31,0
"Q: The geometry of the bf 3 molecule is called what?
A: trigonal planar",21,1
"Q: Where do greenhouse gases trap heat?
A: atmosphere",14,1
"Q: What kind of cell is a cell with two chromosomes?
A: haploid cells",20,0
"Q: Do placental mammals give birth to relatively small or large fetuses?
A: large",20,1
"Q: Snakes are which type of animal?
A: carnivorous",15,1
"Q: One of the five fundamental conservation laws in the universe refers to conservation of what, which is the product of mass and velocity?
A: momentum",32,1
"Q: Natural gas burns cleaner and produces less carbon dioxide than fuels of what type?
A: renewable fuels",23,0
"Q: How do plants grow?
A: through cell growth and sexual reproduction",17,0
"Q: What component of a prokaryote is unique in  molecular composition and mechanism of propulsion?
A: the sporangia",27,0
"Q: The magnitude of the momentum vector is the product of what two properties?
A: acceleration and speed",23,0
"Q: Scientists will often observe and then what the reason why a phenomenon occurred?
A: hypothesize",22,1
"Q: The difference between aldehydes and ketones is the placement of what group within the molecule?
A: benadryl",26,0
"Q: Light-weight air-filled bones and a large four-chambered heart helps a bird do what?
A: fly",28,1
"Q: Drip iirigation requires less water and reduces what?
A: moisture",17,0
"Q: Many adolescents experience frequent mood swings.  name one of the causes for this.
A: surging hormones",24,1
"Q: Why is uranus so faint?
A: far away",15,1
"Q: Plants, algae and bacteria are all examples of what type of organism?
A: microbes",21,0
"Q: Increasing what property of dirt would make it easier to rinse off your hands?
A: turbidity",22,0
"Q: What types of incest behaviors are controlled by genes?
A: byproduct behaviors like flying and mating",22,0
"Q: What happens when development of nervous system is disturbed?
A: neurodevelopmental disorders",19,1
"Q: The ambrosia beetle bores holes in?
A: tree bark",16,1
"Q: Physical or chemical changes are generally accompanied by a transfer of what?
A: shape",20,0
"Q: Generally speaking, electronegativity values ______ from left to right across a row in the periodic table and _______ down a column.
A: reverse, descend",34,0
"Q: What can occur during periods of heavy rain?
A: floods",16,1
"Q: What structures receive blood from the atria and pump it out of the heart?
A: ventricles",24,1
"Q: Where are the oceans most polluted?
A: in warmer waters",16,0
"Q: The four major classes of biological macromolecules include carbohydrates, lipids, proteins, and what else?
A: liquids",26,0
"Q: What consist of chains of small molecules called nucleotides?
A: nucleic acids",18,1
"Q: Around what percentage of the earth's surface water is contained in the ocean?
A: 97%",26,1
"Q: The physical sciences can be divided into physics and what other science?
A: biology",20,0
"Q: Porifera are parazoans that exhibit simple organization and lack true what?
A: tissues",22,1
"Q: Who study volcanoes to be able to predict when a volcano will erupt?
A: vocologists",24,0
"Q: What do you call the high and low points of transverse waves?
A: echos and troughs",23,0
"Q: The process of getting oxygen into the body and releasing carbon dioxide is called?
A: respiration",22,1
"Q: Members of the genus trypanosoma are flagellate protozoa that cause what?
A: sleeping sickness",24,1
"Q: What type of cancer can the use of tanning beds lead to?
A: breast cancer",21,0
"Q: Amniotes are animals that produce eggs with membranes possessing what property, which allowed them to lay eggs on land?
A: waterproof",30,1
"Q: What forms when a glacier scrapes a large hole in the ground?
A: glacial lake",22,1
"Q: An environment in which cells neither sink nor swell is known as what?
A: pressured environment",22,0
"Q: Salt-water biomes in the ocean are called what?
A: marine organelles",20,0
"Q: The joint that lies between the radius and the ulna is what kind of joint?
A: pivot joint",25,1
"Q: Only a small percent of earth's water is what type, as opposed to saltwater?
A: runoff",25,0
"Q: With codominance, both alleles are expressed equally in what?
A: homozygotes",22,0
"Q: Reflection, refraction, and diffraction are examples of what type of interaction?
A: waves",21,1
"Q: In some plants, the sporophyte is diploid, while the gametophyte is what?
A: haploid",27,1
"Q: What is the complex network of nervous tissue that carries electrical messages throughout the body?
A: nervous system",24,1
"Q: Steam actually consists of tiny droplets of liquid what?
A: water",17,1
"Q: What term is used to describe a compound that does not conduct an electric current in either aqueous solution or in the molten state?
A: kilocalorie",34,0
"Q: The law of conservation mass states that matter cannot be created or what?
A: changed",21,0
"Q: Will contour lines ever cross?
A: yes",13,0
"Q: Mineral crystals that form when magma cools are usually _______ than crystals that form when lava cools.
A: older",25,0
"Q: What particles are formed from a neutron in beta decay?
A: rust and proton",20,0
"Q: Geologists group rocks based on how they what?
A: dissove",18,0
"Q: Which carbohydrates can be classified in terms of chain length?
A: binary",18,0
"Q: Organisms categorized by what species descriptor demonstrate a version of allopatric speciation and have limited regions of overlap with one another, but where they overlap they interbreed successfully?.
A: surface species",41,0
"Q: The rise in greenhouse gases has what effect on the temperature of earth?
A: no effect",22,0
"Q: Through a process called electromagnetic induction, generators change what energy form of a spinning turbine to electrical energy?
A: potential",27,0
"Q: What bond is the force of attraction that holds together positive and negative ions?
A: ionic",22,1
"Q: Which type of isomers generally have lower boiling and melting points than straight-chain isomers?
A: straight-chain isomers",27,0
"Q: In classical physics, momentum is a simple product of mass and this?
A: acceleration",21,0
"Q: What destroys the filtered pathogens?
A: lymphocytes",13,1
"Q: What type of response do signal transductions within target cells bring about?
A: physiological",22,1
"Q: The temperature at which something melts is refered to as what?
A: precipitation point",21,0
"Q: Inserting an extra plane of atoms into a crystal lattice produces what?
A: edge dislocation",22,1
"Q: Unlike an adult sponge, what stage is motile due to cilia that propel it through water?
A: larva",26,1
"Q: According to one of einstein's theory, while light consists of particles, it behaves like this.
A: thermodynamics",28,0
"Q: What is produced by the reaction of metal oxide with water?
A: soluble metal hydroxides",23,1
"Q: Female monotremes share what external opening with reptiles and birds?
A: urethra",20,0
"Q: Coronary heart disease is caused when what blocks coronary arteries?
A: plaque",18,1
"Q: What title is used to describe health professionals who use nonsurgical techniques to help patients with musculoskeletal system problems that involve the bones, muscles, ligaments, tendons, or nervous system?
A: chiropractor chiropractors",46,1
"Q: Are valence electrons attracted more or less strongly when they are farther from the nucleus?
A: equally",23,0
"Q: What are the taste receptors found as tiny bumps on the tongue called?
A: taste buds",22,1
"Q: What is the term for a watertight seal between two adjacent animal cells?
A: tight junction",23,1
"Q: What branch of physical science looks at how heat, work, and various forms of energy are related to one another?
A: thermodynamics",30,1
"Q: Nutrients the body needs in relatively large amounts are called what?
A: vitamins",19,0
"Q: What force pulls object downwards to the earth?
A: momentum",16,0
"Q: How does the magnetic field produced by a current in a wire move?
A: intermittently",21,0
"Q: Weight refers to what force acting on a mass?
A: gravitational",17,1
"Q: The conservation of momentum principle can be applied to systems as different as a comet striking earth and a gas containing huge numbers of atoms and these?
A: particles",35,0
"Q: Which blood vessels is oxygen transferred through?
A: capillaries",15,1
"Q: What does the stomach produce to help digest food?
A: hydrochloric acid",18,1
"Q: What forms when a solute dissolves in a solvent?
A: chemical",17,0
"Q: Line graphs are especially useful for showing changes over what?
A: time",18,1
"Q: Parasitic leeches feed off of what?
A: brain",16,0
"Q: Saturated hydrocarbons get their name because they are saturated with what atoms?
A: helium",21,0
"Q: Where do most red algae species live?
A: oceans",15,1
"Q: Phylum chordata consists of two subphyla of invertebrates, as well as the hagfishes and what else?
A: lipids",30,0
"Q: How many digits do primates have on each extremity?
A: ten",17,0
"Q: What is defined as a push or pull acting on an object?
A: effort",20,0
"Q: Depending on a tumor’s location, for example, cancer surgeons may be unable to remove it. radiation and chemotherapy are difficult, and it is often impossible to target only the cancer cells. the treatments inevitably destroy this?
A: carcinogens",52,0
"Q: What are the tiny packets of energy the sun gives off called?
A: ions",20,0
"Q: What is the term for the deepest places on earth?
A: the core",19,0
"Q: Spindle fibers form between the centrioles during prophase i of what process?
A: meiosis",23,1
"Q: Roots grow in length and width from the primary and secondary what?
A: meristem",21,1
"Q: Negative feedback controls insulin secretion by what organ?
A: pancreas",16,1
"Q: The third line of defense of the immune system is called?
A: the immune response",21,1
"Q: Lacking a bony endoskeleton, sharks, rays, and ratfish belong to what group of fish?
A: invertebrates",28,0
"Q: Organs, vessels, and lymph make up what system?
A: lymphatic",18,1
"Q: The word fungus comes from the latin word for what?
A: mushroom",18,1
"Q: What carbohydrate from fruit juices is a gel-forming substance important in jelly making?
A: potassium",23,0
"Q: What side of a mountain does the rainshadow effect occur on?
A: starboard",20,0
"Q: The conducting zone of the respiratory system includes the organs and structures not directly involved in what?
A: gas exchange",26,1
"Q: Silicon with an element that gives it extra electrons is which type of semiconductor?
A: m. Type",24,0
"Q: The size of the solute particles determines the rate of what?
A: merging",19,0
"Q: What system consists of glands that secrete hormones into the bloodstream?
A: Respiratory system",20,0
"Q: What is created when the warm air at the cold front rises and creates a low pressure cell, causing winds to rush into the low pressure?
A: rising air column",37,1
"Q: Power in electricity is the voltage multiplied by what?
A: power",17,0
"Q: What type of shape does a pelvic inlet have?
A: oval shape",18,1
"Q: What is it called when plant roots absorb liquid water and release water vapor into the atmosphere?
A: sedimentation",25,0
"Q: Resistors connected end to end are said to be in what?
A: parallel",20,0
"Q: Name the fever that is caused by a virus that has antigens similar to molecules in human heart tissues.
A: rheumatic fever",28,1
"Q: What are the two types of vascular tissues?
A: xylem and phloem",20,1
"Q: What force includes forces of attraction and repulsion?
A: magnetic force",17,1
"Q: Why do hummingbirds have long narrow bills?
A: to reach the nectar at the bottom of flowers",24,1
"Q: What is a push or a pull acting on an object?
A: force",19,1
"Q: What gas do the lungs give up as they take in oxygen?
A: carbon monoxide",21,0
"Q: What is the ability to be attracted by a magnet and to act as a magnet?
A: magnetism",24,1
"Q: Land plants are classified into two major groups according to the absence or presence of what tissue?
A: disease",25,0
"Q: Cancer cells take up glucose for what reason?
A: energy",16,1
"Q: What is the term for a technique used to separate out homogeneous mixtures in which one or more solids are dissolved in a liquid?
A: evaporation",32,1
"Q: What describes the amount of solute in a solution?
A: tonicity",18,1
"Q: Some plants open their leaves during the day to collect what?
A: moisture",19,0
"Q: Each microspore develops into a pollen grain containing a male what?
A: progesterone",20,0
"Q: What is the process of the transfer of pollen from an anther to a stigma in angiosperms called?
A: pollination",29,1
"Q: The ideal gas law is used like any other gas law, with attention paid to the unit and making sure that temperature is expressed in kelvin. however, the ideal gas law does not require a change in the conditions of a gas sample. the ideal gas law implies that if you know any three of the physical properties of a gas, you can calculate this?
A: second",79,0
"Q: Internal functions are coordinated and regulated so that the internal environment of a living thing is relatively constant, referred to as what?
A: homeostasis",31,1
"Q: What is a sheet of muscle that spreads across the bottom of the rib cage?
A: diaphragm",23,1
"Q: Wich disorder arises when defective valves allow blood to accumulate within the veins?
A: vascular disease",22,0
"Q: Scientists utilize what natural process to teach cranes born in captivity to migrate along safe routes?
A: imprinting",26,1
"Q: Earthworms and segmented worms belong to what phylum?
A: annelida",19,1
"Q: What is the tendency of an object to remain at rest or remain in motion called?
A: impetus",24,0
"Q: Some 96% of the dry mass consists of organic compounds produced by what?
A: photosynthesis",24,1
"Q: What types of living beings have water vascular systems and unique tube feet?
A: echinoderms",24,1
"Q: Which pollution can cause lung cancer and can also make asthma and other diseases worse?
A: air pollution",24,1
"Q: What forms when a glacier scrapes a large hole in the ground?
A: glacial lake",22,1
"Q: What is necessary for new alleles to be created?
A: cross-pollination",20,0
"Q: What does hemoglobin in blood carry to the cells?
A: methane",17,0
"Q: What tool do scientist's use to show the evolutionary pathways and connections among organisms?
A: phylogenetic tree",25,1
"Q: Prior to birth, the lungs are filled with amniotic fluid, mucus, and what else?
A: blood",26,0
"Q: During what do homologous chromosomes separate and go to different daughter cells?
A: meiosis",20,1
"Q: While most mammals give birth to live young, monotremes can do what?
A: lay eggs",24,1
"Q: What is the major artery of the body, taking oxygenated blood to the organs and muscles of the body?
A: carotid",29,0
"Q: How does the sun generate energy?
A: atomic division",15,0
"Q: Bony fish can live in either of what type of aquatic biome?
A: coral reefs or freshwater",24,0
"Q: What rigid layer surrounds the cell membrane of a plant cell?
A: cell wall",20,1
"Q: Iridescent green beetles, known as jewel beetles, change color because of the light-reflecting properties of the cells that make up this?
A: their hairs",36,0
"Q: What do we call the major artery carrying recently oxygenated blood away from the heart?
A: capillary",24,0
"Q: What causes cumulus clouds to grow upward?
A: convection currents",17,1
"Q: The pulmonary artery carries deoxygenated blood into the lungs from this?
A: legs",21,0
"Q: The ability to what is affected by the velocity, or speed, of the water?
A: construct",24,0
"Q: What is a reaction in which an atom or molecule is added to an unsaturated molecule, making a single product?
A: complete reaction",30,0
"Q: Which process helps deaminate amino acids?
A: transamination",17,1
"Q: The similarity in biochemical compounds between living things provides evidence for the evolution of species from what?
A: recent ancestors",26,0
"Q: What is the term for the number of waves that pass a fixed point in a given amount of time?
A: wave speed",29,0
"Q: What is the term for the movement of individuals out of a population?
A: succession",21,0
"Q: What is the strength of an earthquake called?
A: magnitude",16,1
"Q: Chloroplasts and chromoplasts are examples of which membrane bound organelle containing their own dna?
A: chromosomes",25,0
"Q: Water is polar and has electrically charged ends, so it is attracted to the oppositely charged end of a phospholipid molecule, which is described by what term meaning ""water-loving""?
A: hydrophilic",44,1
"Q: Cilia and flagella are extensions of what?
A: cell nucleus",18,0
"Q: Often determining the strength or intensity of a wave, this term is the distance from the equilibrium point of motion to either its lowest or highest point?
A: amplitude",36,1
"Q: What is the name of the blood protein that carries oxygen from the lungs to the body's assorted tissues?
A: insulin",29,0
"Q: Calcium hydroxide and calcium carbonate are effective in neutralizing the effects of what on lakes?
A: oil rain",24,0
"Q: What is an animal that picks up pollen on its body and carries it to another flower called?
A: fungi",26,0
"Q: Skeletal muscle cells and cardiac muscle cells share what property, which is not shared by smooth muscle cells?
A: surfaces",27,0
"Q: What often occurs on steep slopes in dry climates?
A: volcanoes",17,0
"Q: The majority of cells in blood are erythrocytes or?
A: red blood cells",19,1
"Q: A protective coating of zinc to prevent corrosion is applied to steel and other metals labeled what?
A: galvanized",25,1
"Q: What category of animals in the vertebrate group has a relatively small brain but highly developed sense organs?
A: mammals",26,0
"Q: What monthy cycle causes changes in the ovaries and uterus?
A: tides",19,0
"Q: What can ultimately result when species are introduced to a new place and prey on other species?
A: depletion",25,0
"Q: How many continents do birds breed on?
A: 4",16,0
"Q: What is the arch called that forms when plasma of the sun flows along the loop that connects sunspots?
A: Energy prominence.",30,0
"Q: The term “vapor” refers to the gas phase when it exists at a temperature below what?
A: boiling temperature",27,1
"Q: The stem of a horsetail is characterized by the presence of joints, or nodes: hence the name arthrophyta, which means this?
A: jointed plant",38,1
"Q: What is an important level of organization in ecology and the unit of microevolution?
A: population",23,1
"Q: The mostly subterranean lifestyle of stone plants reduces water loss from evaporation and inhibits what?
A: photosynthesis",23,1
"Q: What releases fatty acids and other components from fats and phospholipids?
A: enzymatic hydrolysis",21,1
"Q: Along with dna, what is the other main type of nucleic acid?
A: rna",22,1
"Q: Alkaline earth metals are what color?
A: silvery grey",15,1
"Q: What can be calculated given the mass and speed of an object?
A: harmonic energy",21,0
"Q: Glucagon and insulin are produced in what organ?
A: pancreas",17,1
"Q: What tides occur during the new moon and full moon?
A: spring",18,1
"Q: Spores are the basic reproductive units of what organism?
A: fungi",18,1
"Q: Dissolved fertilizer can ultimately lead to the creation of what in lakes or coastal oceans, which means a place where nothing can live?
A: extinction zone",33,0
"Q: Because plants lack what kind of system, their first line of defense is usually the death of cells surrounding infected tissue to prevent spread of infection?
A: immune system",36,1
"Q: What does cartilage lack compared to bones, making it softer and less rigid?
A: potassium",22,0
"Q: What type of reproduction involves combining genetic material from two parents to create distinct offspring?
A: sexual reproduction",24,1
"Q: What type of activity in the brain causes epilepsy?
A: hormone imbalance",18,0
"Q: What is the series of changes in the life of an organism?
A: insect metamorphosis",21,0
"Q: Sounds, chemicals, and visual cues are examples of what between animals?
A: communication",21,1
"Q: Regularly done aerobic activities can help build up endurance and make what vital organ stronger?
A: stomach",23,0
"Q: Light is scattered from what in our atmosphere?
A: molecules",16,1
"Q: Plants generally transport carbohydrates from leaves to roots and other nonphotosynthetic organs in the form of what?
A: sucrose",27,1
"Q: What is the most common type of capillary?
A: channels",16,0
"Q: What behavior includes all the ways that animals interact with each other and the environment?
A: adaptation",23,0
"Q: What term means controlling body temperature within a narrow range from the inside through biochemical or physical means?
A: exothermy",28,0
"Q: A change in temperature with distance is called a what?
A: temperature gradient",19,1
"Q: What type of mammals includes opossums, kangaroos, and koalas?
A: crustaceans",24,0
"Q: The hot liquid rock on the surface is called what?
A: Molten",19,0
"Q: Which scientist was responsible for the theory of evolution by natural selection?
A: charles darwin",22,1
"Q: What part of a spider is equipped with poison glands?
A: chelicerae",21,1
"Q: What coenzyme is used in the transfer of energy in muscles?
A: atp or adenozine triphosphate",26,1
"Q: What are the basic units of structure and function in living organisms?
A: cells",20,1
"Q: What to tadpoles develop into?
A: toads",15,0
"Q: Methane, ethane, and propane are three of the smallest what?
A: organisms",21,0
"Q: What type of weathering causes the minerals in a rock to change?
A: toxic",20,0
"Q: What is the name of the outer layer of skin?
A: the epidermis",19,1
"Q: The scale that is used to measure the loudness of sound measures their loudness in what?
A: decibels",27,1
"Q: Snow and ice may also undergo which process where there is intense sunlight, very cold temperatures, and dry winds?
A: sublimation",29,1
"Q: Kinetic energy is energy of this?
A: speed",14,0
"Q: The shape of a virus is determined by the type and arrangement of proteins in its what?
A: enamel",25,0
"Q: Blood enters the kidney through the which artery?
A: cardiac artery",17,0
"Q: Intensity is defined to be the power per unit area carried by a what?
A: wave",22,1
"Q: The last two stages of aerobic respiration require what?
A: oxygen",17,1
"Q: Formic acid is found in the secretions of?
A: sweat glands",18,0
"Q: Herbivores and the bacteria that live in their intestines demonstrate a two-way beneficial relationship called what?
A: parasitism",28,0
"Q: How many bones does the  mammalian middle ear have?
A: two",19,0
"Q: What happens when water is removed from the endospore?
A: reversal",18,0
"Q: What are the different feeding positions in a food chain or web called?
A: trophic levels",22,1
"Q: Metabolic pathways are a series of reactions catalyzed by multiple what?
A: enzymes",19,1
"Q: Mechanisms for establishing cellular asymmetries include morphogen gradients, localized determinants, and what other type of interactions?
A: reductive",29,0
"Q: Thousands of receptor cells that detect the sex attractant equip each filament of what structure?
A: optic nerve",25,0
"Q: Sharing a phylum with insects, spiders, daddy-long-legs, scorpions, and ticks belong to what class?
A: arachnids",34,1
"Q: The plasma membrane pulls away from the cell wall as it shrivels. what is this process called?
A: plasmolysis",29,1
"Q: The major fuel for the brain is which carbohydrate?
A: glutamate",17,0
"Q: What type of gas is a harmless gas that living things add to the atmosphere during respiration?
A: carbon dioxide",26,1
"Q: The horizontal stems on strawberry plants are called what?
A: stolons",18,1
"Q: Phagocytosis, pinocytosis, and receptor-mediated endocytosis are the three types of what?
A: modulators",28,0
"Q: What novelties can also arise when structures that originally played one role gradually acquire a different one?
A: evolutionary",26,1
"Q: The period immediately following the transmission of an impulse in a nerve or muscle, in which a neuron or muscle cell regains its ability to transmit another impulse, is called the ______ period.
A: activation",44,0
"Q: In naming ternary compounds, which type of particle is stated first?
A: cation",20,1
"Q: Free-flowing electrons enable what materials to conduct electricity and heat very well?
A: noble gases",23,0
"Q: Radioactive decay can give off energy and what else?
A: light",17,0
"Q: Through this process, algae provide glucose for the ecosystem?
A: spermatogenesis",19,0
"Q: What scale is used to succinctly communicate the acidity or basicity of a solution?
A: ph",23,1
"Q: Deficiency of what mineral causes bones to become porous and weak?
A: potassium",19,0
"Q: In classical physics, momentum is a simple product of mass and this?
A: acceleration",21,0
"Q: What is the term for the deepest places on earth?
A: the core",19,0
"Q: Mixtures that have the same composition throughout are known as what kinds of mixtures?
A: contiguous",22,0
"Q: What is continually released during childbirth through a positive feedback mechanism and prompts uterine contractions to fetal head toward the cervix?
A: oxytocin",30,1
"Q: What is the purpose of utilizing careful farming practices such as rotating crops or planting nutrient rich crops?
A: improve sediment quality",28,0
"Q: Linked genes are located on the same what?
A: genome",16,0
"Q: What types of bonds hold together positive metal ions and their valence electrons?
A: ionic bonds",22,0
"Q: Where does the process of digestion start?
A: esophagus",15,0
"Q: The brain develops from this early tube structure and gives rise to specific regions of the adult brain. as the neural tube grows and differentiates, it enlarges into three vesicles that correspond to the forebrain, midbrain, and this?
A: hindbrain",54,1
"Q: How many main types of diabetes are there?
A: two",16,1
"Q: What type of simple inheritance is too simplified to explain most human traits?
A: mitosis",21,0
"Q: What is a rigid layer that surrounds the plasma membrane of a plant cell?
A: the cell wall",24,1
"Q: What does the respiratory system exchange between the body and the outside air?
A: gases",21,1
"Q: What are intervertebral discs made of?
A: fibrocartilage",18,1
"Q: Which hormone is secreted by the pancreas in a human body?
A: growth hormone",20,0
"Q: Many plants generate root pressure during which phase?
A: flowering season",17,0
"Q: In which stage do chromosomes line up one on top of each other along the middle of the cell, similar to how they line up in mitosis?
A: metaphase ii",38,1
"Q: What is a group of organs that work together to do the same job?
A: an organ system",24,1
"Q: What is an organism that spreads bacteria or other pathogens?
A: plane",18,0
"Q: What happens to the rate of chemical reactions in higher temperatures?
A: they increase",20,1
"Q: What does an underwater spider use to breathe and keep alive?
A: forehead air bubble",21,0
"Q: What is the most common type of organic compound?
A: carbohydrates",17,1
"Q: Translucent matter is matter that transmits and does what else to light?
A: scatters",22,1
"Q: Metabolic pathways are a series of reactions catalyzed by multiple what?
A: enzymes",19,1
"Q: Common disease of what system include  asthma, pneumonia, and emphysema?
A: the fecal system",25,0
"Q: What decides what may enter or leave a cell?
A: cell membrane",18,1
"Q: Motor vehicles account for almost half of the consumption of what?
A: hydrocarbon",19,0
"Q: The combined gas law involves three properties of a gas - volume, absolute temperature, and what?
A: power",26,0
"Q: What are living echinoderms divided into five of?
A: classifications",19,0
"Q: How do plants obtain their energy?
A: photosynthesis",14,1
"Q: Freezing rain that falls from the sky is also called?
A: snowfall",18,0
"Q: What disease refers to the dangerous buildup of fatty materials in blood vessels?
A: atherosclerosis",21,1
"Q: Birds have light-weight bones that are filled with what?
A: water",19,0
"Q: What are mammals that lay eggs called?
A: kangaroos",16,0
"Q: Which planet is closest to the sun?
A: Earth",15,0
"Q: Eutherian mammals possess a specialized structure called the corpus callosum that links what hemispheres?
A: cerebral",26,1
"Q: Embryos usually don't survive if they have extra or too few of these genetic units?
A: chromosomes",26,1
"Q: The rate of what process depends on how many of an organism’s genes have changed over a period of time and on the generation time of a particular species?
A: digestion",39,0
"Q: What do we call the region on the lung root formed by the entrance of the nerves at the hilum?
A: renal plexus",30,0
"Q: Eukaryotic cell division involves mitosis and what?
A: cytokinesis",18,1
"Q: People with osteoporosis have an increase risk of what?
A: cancer",17,0
"Q: The genome of an organism consists of one or more what?
A: hemoglobin molecules",20,0
"Q: What is the name of the major components of cell membranes called?
A: phospholipids",21,1
"Q: In iceland, the mid-atlantic ridge is above sea what?
A: level",21,1
"Q: Untreated botulism is typically fatal because muscles required for breathing fail to contract when the release of what chemical is blocked?
A: carbon dioxide",32,0
"Q: What collect data on the land and sea in regards to the weather?
A: turbine stations",22,0
"Q: Groupings of related organs in the human body are referred to as ""organ"" what?
A: systems",25,1
"Q: The activation of what kind of buds induces branching?
A: axillary buds",18,1
"Q: A quarry, which produces rocks and minerals used to make buildings and roads, is an example of what type of mine?
A: open-pit mine",34,1
"Q: What natural destructive element cuts away at rock forming river valleys?
A: sediment",19,0
"Q: What is the name of the elongated bony structure that anchors the anterior thoracic cage?
A: sternum",23,1
"Q: What mammal is often a pollinator of nocturnal flowers?
A: sunbirds",19,0
"Q: What are the ice crystals that form on the ground called?
A: frost",19,1
"Q: What are saprobes that decompose organic matter?
A: sponges",16,0
"Q: The most powerful or influential individual in a group is sometimes called what?
A: superior",21,0
"Q: Matching donor and recipient blood types is important because different blood types have different types of what?
A: antibodies",25,1
"Q: What is the minimum number of loops a circuit can have?
A: 1",20,1
"Q: When a mountain stream flows onto flatter land and comes to a stop rapidly, what do the deposits form?
A: conical fan",29,0
"Q: What decreases with the loss of subsequent protons?
A: acid strength",17,1
"Q: What is damaged in the inner ear by loud sounds that cause hearing loss?
A: tympanic membrane",24,0
"Q: What kind of parasites are nearly all ticks that live on the body surfaces of reptiles or mammals?
A: bloodsucking",28,1
"Q: The molecule pictured above is thyroxine, a compound produced by which gland?
A: stomach",23,0
"Q: What class of animals, translated as “head foot”, includes octopuses, squids, cuttlefish, and nautilus?
A: mollusks",35,0
"Q: In vertebrates, what tissue is a type of connective tissue that supports the entire body structure?
A: bone",25,1
"Q: What is the largest organ of the human body?
A: your skin",18,1
"Q: Gas exchange during respiration occurs primarily through what?
A: vaporization",17,0
"Q: The brain is said to contain gray matter, while what related structure contains white matter separated into columns?
A: spinal cord",28,1
"Q: In many polychaetes, the parapodia are richly supplied with blood vessels and also function as what?
A: tails",29,0
"Q: What is in danger of happening when thick magma is formed?
A: explosive eruptions",20,1
"Q: The cytoplasm of prokaryotic cells has a high concentration of dissolved solutes. therefore, the osmotic pressure within the cell is what?
A: relatively high",34,1
"Q: Herbivores are heterotrophs that eat only or mainly what?
A: decayed matter",21,0
"Q: What is the percentage of production transferred from one trophic level to the next
A: robust efficiency",22,0
"Q: What are the deepest places on earth?
A: deep sea diversions",17,0
"Q: A catalyst decreases the amount of what resource that is required in order to begin a chemical reaction?
A: positive energy",27,0
"Q: Some flatworms are free-living carnivores that live mainly in which type of habitats?
A: Deciduous forest",27,0
"Q: A common age-related bone disease in which bone density and strength is decreased is know as what?
A: osteoporosis",27,1
"Q: What ""plumbing"" structures inside the veins maintain a unidirectional flow of blood despite the low blood pressure?
A: funnels",30,0
"Q: What is defined as an antigen that causes an allergy?
A: an allergen",19,1
"Q: Energy transferred solely due to a temperature difference is called?
A: chemical energy",19,0
"Q: What is the condition called where pimples form on the skin?
A: acne",19,1
"Q: A lens of what shape causes rays of light to diverge, or spread apart, as they pass through it?
A: convex",29,0
"Q: Gymnosperms and angiosperms are types of _________ seed plants.
A: modern",21,1
"Q: What term is defined as a way of writing very large or small numbers that uses exponents?
A: scientific notation",26,1
"Q: Squamata is the largest order of what broad animal group, and includes lizards and snakes?
A: reptiles",25,1
"Q: Unlike other tetrapod vertebrates (reptiles, birds, and mammals), amphibians do not produce what type of eggs?
A: epithelial",30,0
"Q: Each enzyme has an optimal what at which its reaction rate is greatest?
A: temperature",21,1
"Q: What is the term for a theoretical framework for describing evolutionary change in populations through the change in allele frequencies?
A: percent genetics",29,0
"Q: The transmission electron micrograph shows the cell walls where two cells do what?
A: split apart",23,0
"Q: Chloroplasts and chromoplasts are examples of which membrane bound organelle containing their own dna?
A: chromosomes",25,0
"Q: Rich in protein and nutrients, what abundant group of organisms is being touted as an important human dietary source?
A: fungus",28,0
"Q: What do corals secrete that builds up to become a coral reef?
A: exoskeletons",23,1
"Q: Something supplied by nature that helps support life, including ecosystems as well as minerals and fossil fuels, is called a what?
A: artificial resource",32,0
"Q: What is the term for protists that produce spores, such as the toxoplasm?
A: sporozoans",27,1
"Q: What are the three primary pigment colors?
A: cyan, yellow, magenta",19,1
"Q: Around 1200 species of what broad animal group are currently at risk of extinction due to human activity?
A: birds",30,1
"Q: What is the term for a combination of substances in which there is no chemical reaction?
A: a mixture",25,1
"Q: Anemia, leukemia, hemophilia, and sickle-cell disease are examples of conditions that primarily affect what?
A: blood",28,1
"Q: The motor thus acts as a generator whenever its coil does what?
A: rotates",20,1
"Q: What is the term for the spacing of individuals within a population?
A: dispersion",20,1
"Q: Displacement is a vector quantity, which means it has both direction and what else?
A: radiation",23,0
"Q: Regulatory proteins bind to regulatory elements to control what?
A: transcription",17,1
"Q: What is a measure of the force of gravity pulling on an object of a given mass?
A: scale",25,0
"Q: What shape is the gametophyte in ferns?
A: heart-shaped",20,1
"Q: Breasts are considered accessory organs of what body system?
A: female reproductive system",20,1
"Q: What is the term for the series of life stages and events that a sexually reproducing organism goes through?
A: society cycle",28,0
"Q: The number of moles of solute in 1 kg of solvent is defined as what?
A: molarity",25,1
"Q: Some metabolic pathways release what by breaking down complex molecules to simpler compounds?
A: fat",21,0
"Q: Which stage is specialized for dispersal & reproduction?
A: adult stage",17,1
"Q: In most fish, where does the embryo develop in relation to the mother's body?
A: outside",25,1
"Q: Where does the christmas tree worm live?
A: tropical coral reefs",17,1
"Q: What type of reproduction usually occur during times of environmental stress?
A: internal reproduction",20,0
"Q: An element is defined by the number of ____ it contains?
A: protons",19,1
"Q: Because heating results in a greater fraction of molecules having the necessary kinetic energy to escape the surface of the liquid, what occurs more quickly when liquid is heated?
A: oxidation",38,0
"Q: A perfectly inelastic collision reduces internal kinetic energy to the minimum it can have while still conserving what?
A: heat",26,0
"Q: What phenomenon is primarily the result of plate tectonic motions?
A: eruption",18,0
"Q: Which stage has already been completed by the time sea urchin eggs are released from the female?
A: meiosis",25,1
"Q: What changes water vapor to liquid water?
A: condensation",15,1
"Q: Tubeworms deep in the galapagos rift get their energy from what type of bacteria?
A: sprillia",26,0
"Q: What kingdom in the domain eukarya that includes molds, mushrooms, and yeasts called?
A: fungi",26,1
"Q: What basic structure holds plants upright, bears leaves and other structures, and transports fluids between roots and leaves?
A: stem",28,1
"Q: Why do sodium and chloride ions attract each other?
A: sulfides attract",19,0
"Q: What is contained in the cavity of a long bone's central shaft?
A: blood",22,0
"Q: What helps to convert some molecules to forms that can be taken up by other organisms?
A: prokaryotes",25,1
"Q: What hormone controls milk production in mammary glands?
A: prolactin",17,1
"Q: Power in electricity is the voltage multiplied by what?
A: power",17,0
"Q: What was the first object to form in the solar system?
A: earth",19,0
"Q: What type of mutations cannot be passed on to offspring?
A: symbiotic mutations",19,0
"Q: What is used during filtration to push fluids and solutes, from higher pressure areas to lower pressure areas?
A: hydrostatic pressure gradient",30,1
"Q: What is the ring of hooks tapeworms use to attach themselves?
A: scolex",21,1
"Q: Diaphragm, lungs, and trachea take air deep into the body and provide oxygen gas to what?
A: bloodstream",28,1
"Q: The release of mature eggs that occurs at the midpoint of each cycle is called?
A: fertilization",23,0
"Q: Which type of glaciers form several unique features through erosion, including cirques, arêtes, and horns?
A: line glaciers",29,0
"Q: What type of compound is hydrogen chloride?
A: polar",15,0
"Q: What are decomposers that feed on the organic matter left over from other decomposers?
A: protozoa",27,0
"Q: Anything that occupies space and has mass is known as what?
A: opaque",19,0
"Q: What part of the brain is divided from front to back into the left and right hemispheres?
A: cerebellum",25,0
"Q: The fundamental unit of time, the second, is based on what type of clock?
A: quantum clock",25,0
"Q: What occurs when a parent organism breaks into fragments, or pieces, and each fragment develops into a new organism?
A: erosion",29,0
"Q: What results from the evaporation of sea water?
A: salt",16,1
"Q: How many electrons does lithium have?
A: three",14,1
"Q: What kind of radiation is greatest at the equator and lessens toward the poles?
A: solar radiation",24,1
"Q: Passive immunity arises from the transfer of what to an individual, without requiring them to mount their own active immune response?
A: antibodies",30,1
"Q: In this type of reaction, an element replaces another element in a compound, and the element is in any state of matter but is not an ion?
A: double-replacement reaction",40,0
"Q: Elemental carbon is a black, dull-looking solid that conducts heat and this?
A: light",23,0
"Q: What is the name for the cooler, darker areas on the sun’s surface?
A: corona",24,0
"Q: Exposure to toxins is most damaging during weeks 4 through 8 of the embryonic stage due to development of what during this period?
A: samples",33,0
"Q: The articular cartilage is thickest in the upper and back part of the acetabulum, the socket portion of what?
A: hip joint",32,1
"Q: What type of pollution comes from sewage, storm drains, septic tanks, boats, and runoff from yards?
A: collective",28,0
"Q: Lattice energy cannot be measured directly. what is its calculation based on?
A: measured energy changes",23,1
"Q: The atomic number of tungsten is 74. therefore, in a neutral atom of tungsten, there are 74 electrons. the atomic number of argon is 18. therefore, in a neutral atom of argon, there are how many electrons?
A: 74",60,0
"Q: What force holds planets in their orbits?
A: gravity",15,1
"Q: Oversecretion of insulin can cause what?
A: hypoglycemia",16,1
"Q: What is the blastocyst called after implantation?
A: an embryo",18,1
"Q: What type of interspecies relationship involves one party being actively harmed?
A: mosaicism",21,0
"Q: What is the arch called that forms when plasma of the sun flows along the loop that connects sunspots?
A: Energy prominence.",30,0
"Q: Wave amplitude and wavelength are two important measures of what?
A: wave size",19,1
"Q: All elements are most stable when their outermost shell is filled with electrons according to which rule?
A: octet rule",27,1
"Q: What are the messenger molecules of the endocrine system?
A: hormones",17,1
"Q: Fuels according to the law of what, can never actually be “consumed”; it can only be changed from one form to another?
A: conservation of energy",35,1
"Q: One of the early signs of cell disease is this ""leaking"" of what into the body cells?
A: sodium ions",29,1
"Q: What is the term for something that limits the growth or development of an organism, population, or process?
A: limiting factor",29,1
"Q: What two states of matter are included in the category ""fluids""?
A: liquids and gases",23,1
"Q: What is the distinctive shape of the molecule that contains genetic information?
A: cube",20,0
"Q: Fats are also called triacylglycerols or triglycerides because of their what?
A: atomic number",23,0
"Q: Birds have light-weight bones that are filled with what?
A: water",19,0
"Q: What are jellyfish and other cnidarian's stingers called?
A: nematocysts",23,1
"Q: What do wind turbines turn wind energy into?
A: electricy",18,1
"Q: What are fresh water biomes defined by?
A: high salt content",18,0
"Q: Helicopter pilots can recover from piloting errors by decreasing altitude, turning some of their potential energy into what kind of energy?
A: electrical",31,0
"Q: What is the term for vascular plants that reproduce with seeds?
A: Reproductive Plants",20,0
"Q: Which metalloids are found in the nitrogen group?
A: arsenic and antimony",19,1
"Q: Name the fibrous joint in which two parallel bones are united to each other by fibrous connective tissue.
A: syndesmosis",28,1
"Q: What do chemotrophs extract energy from?
A: liquid compounds",18,0
"Q: Triggering a blink when something touches the surface of the eye, the corneal reflex is what type of reflex?
A: dendritic",29,0
"Q: What is one way of classifying organisms called?
A: cluster",16,0
"Q: What results from the evaporation of sea water?
A: salt",16,1
"Q: The food particles are caught by the collar of the choanocyte and brought into the cell by what process?
A: phagocytosis",30,1
"Q: What kind of resource is soil?
A: nonrenewable",15,0
"Q: What is a sugar that is found in fruits?
A: fructose",17,1
"Q: Energy that the sun and other stars release into space is called what?
A: electromagnetic energy",22,1
"Q: What term is used to describe the process by which organisms give rise to offspring?
A: reproduction",23,1
"Q: What is a large space that helps the organism digest & move nutrients around the cnidarian body?
A: gastrovascular cavity",29,1
"Q: When something loses electrons, it must also?
A: reduce protons",17,0
"Q: What use enzymes to break down foreign matter and dead cells?
A: lipids",19,0
"Q: What do you call any substance that opposes coagulation?
A: dissolvent",18,0
"Q: What type of waves start when a source of energy causes a disturbance in the medium?
A: fluid waves",25,0
"Q: Traits inherited in mendelian patterns are either?
A: dominant or autosomal",20,0
"Q: Aging occurs as cells lose their ability to do what?
A: divide",18,1
"Q: What part of a bird is adapted for the food it eats?
A: beak",20,1
"Q: What is the equation of power released?
A: amplitude x current",17,0
"Q: What structure shows the bonding between atoms, with dots representing available electrons?
A: lewis structure",22,1
"Q: The major cause of outdoor air pollution is the burning of?
A: trees",19,0
"Q: Acne results from a blockage of sebaceous glands by what?
A: sebum",20,1
"Q: What is defined as the amount of force acting on a given area?
A: pressure",21,1
"Q: Well suited to absorb water and dissolved minerals from the soil, thin-walled dermal cells and tiny hairs cover what basic plant structures?
A: roots",33,1
"Q: After cell division what are the two new cells called?
A: daughter cells",19,1
"Q: What human bodily function does cellulose help with?
A: stops food wastes",18,0
"Q: Excretion of ions occurs mainly through what organ?
A: kidneys",17,1
"Q: Living organisms are comprised of organic compounds, which are molecules built around what element?
A: carbon",23,1
"Q: Heat and light are forms of what, which refers to the ability to do work?
A: fuel",24,0
"Q: Instead of using their nose, reptiles can use what organ to smell scents?
A: tongue",22,1
"Q: What are the ends of long bones called?
A: cartilage",16,0
"Q: What type of blood cells transport oxygen to the tissues so they can function?
A: red blood cells",24,1
"Q: What happens when development of nervous system is disturbed?
A: neurodevelopmental disorders",19,1
"Q: What illnesses are caused by damage to the alveoli of the lungs?
A: avian and emphysema",24,0
"Q: What theory states that all organisms are made up of one or more cells?
A: the cell theory",24,1
"Q: How do birds learn to avoid eating monarch butterflies?
A: instinct",17,0
"Q: What stages in the life of a cell does the cell cycle include?
A: all",21,1
"Q: What part of the plant is the main site of photosynthesis?
A: soil",19,0
"Q: What is the color of the powder of a mineral?
A: streak",18,1
"Q: What is the process in which an atom becomes an ion known as?
A: ionization",21,1
"Q: The temperature dependence of solubility can be exploited to prepare what solutions of certain compounds?
A: supersaturated",24,1
"Q: What is the hormone produced in high-stress situations?
A: adrenalin",19,1
"Q: What are large glaciers that cover a larger area than just a valley?
A: ice caps",22,1
"Q: What is the basic unit of matter?
A: nucleus",15,0
"Q: What is made up of the pinna, ear canal, and eardrum?
A: the outer ear",26,1
"Q: In which organ are bile acids made
A: liver",14,1
"Q: Some samples of matter appear to have properties of solids, liquids, and/or gases at the same time. this can occur when the sample is composed of many what?
A: turn pieces",42,0
"Q: What do you call the fast-moving air currents high in the troposphere?
A: stationary fronts",24,0
"Q: Why is the root cap continuously replaced in plants?
A: damage through pushing",19,1
"Q: What is the measure of water potential?
A: megapascals",17,1
"Q: Ions move through what to maintain electrical neutrality in the cell?
A: the membrane",21,1
"Q: The total energy assimilated by an ecosystem in a give period is known as what?
A: size primary production",25,0
"Q: The spectrum is made up of discrete lines representing transitions of the hydrogen electron between specific energy levels within what?
A: the atom",29,1
"Q: What is the name for an underground layer of rock that is saturated with groundwater?
A: aquifer",23,1
"Q: What organ packages nutrients absorbed by the digestive system; produces plasma proteins, clotting factors, and bile; and disposes of worn-out cell components and waste products?
A: heart",40,0
"Q: In which organ of the body does gluconeogenesis primarily take place?
A: kidney",21,0
"Q: Mutualism is a symbiotic relationship in which both species do what?
A: benefit",20,1
"Q: Controlled variables are kept what to prevent them from influencing the effects of the independent variable on the dependent variable?
A: mechanical",28,0
"Q: What do we call the seasonal movement of animals?
A: population",17,0
"Q: What is another name for composite volcanos?
A: fjords",17,0
"Q: In the lungs, bicarbonate is transported back into the red blood cells in exchange for what?
A: phosphate",25,0
"Q: What is made up of organisms of the same species that live in the same area?
A: countries",24,0
"Q: While in the lungs, blood gives up carbon dioxide and picks up what element before returning to the heart?
A: nitrogen",28,0
"Q: Muscles and skin are examples of what, consisting of specialized cells?
A: tissues",20,1
"Q: Atoms of the same element that have different masses are called what?
A: variations",20,0
"Q: What system is the brain the control center of?
A: adrenal",17,0
"Q: Nonshivering thermogenesis, which involves the breakdown of brown adipose tissue, is a special methods newborns have for what purpose?
A: generating heat",33,1
"Q: What is the term for a gas that completely abides by the kinetic-molecular theory?
A: ideal gas",26,1
"Q: What type of isomers contain the same number of atoms of each kind but differ in which atoms are bonded to one another?
A: structural isomers",32,1
"Q: Living in a large colony requires good communication. ants communicate with chemicals called what?
A: pheromones",24,1
"Q: The nail bed is a specialized structure of the epidermis that is found at the tips of our what?
A: fingers and toes",29,1
"Q: What is the vector sum of all the torques acting on the object called?
A: critical torque",24,0
"Q: All chemical changes involve a transfer of what?
A: energy",16,1
"Q: Somatic, autonomic, and enteric structures are part of what system?
A: circulatory system",23,0
"Q: Not surprisingly, centipedes, millipedes and other members of the subphylum myriapoda are adapted to living on what?
A: water",33,0
"Q: Fatal swelling of what organ can result from both encephalitis and meningitis, which typically cause a severe headache and a fever?
A: brain",30,1
"Q: In fruit flies, all homeotic genes are found on one what?
A: genome",21,0
"Q: What substance do developing seeds produce which promotes fruit growth?
A: xenon",18,0
"Q: What is the foundation species of coral reef ecosystems?
A: coral",17,1
"Q: What do you call the strands of dna wrapped around proteins, which are located inside the nucleus?
A: receptors",26,0
"Q: A complementary pair of chromosomes have genes for the same characteristics in the same location on the chromosome are known as?
A: homologous chromosomes",30,1
"Q: A gene may have different versions called what?
A: alleles",16,1
"Q: What's the best way humans can conserve water?
A: boil it",19,0
"Q: Is wind power renewable or non renewable?
A: renewable",15,1
"Q: What nullified the idea that all biological catalysts are proteins?
A: discovery of ribozymes",23,1
"Q: The thick skin, found only on the palms of the hands and the soles of the feet, has an extra what?
A: layer",31,1
"Q: Insulin and glucagon help keep blood glucose levels in the normal range because of what type of effects?
A: sympathetic",27,0
"Q: The zeros at the end of a number are known as what?
A: trailing zeros",21,1
"Q: What type of treatment is necessary for anaphylaxis?
A: outpatient",17,0
"Q: What are the most numerous and diverse biochemical compounds?
A: lipids",17,0
"Q: In an environment, symbiosis, competition, and relying on other organisms for food are examples of what?
A: collaboration",28,0
"Q: What is the enlarged tip of the penis called?
A: angles penis",18,0
"Q: When a host attacks a parasitic bacteria, the bacteria release what to surround the cell wall?
A: layer of slime",27,1
"Q: Cutting forests and clearing land has also increased the amount of what in the atmosphere?
A: oxygen",23,0
"Q: Which orbitals do electrons fill first?
A: empty orbitals",15,0
"Q: The first plants probably evolved from what?
A: dry green algae",17,0
"Q: The mass of atoms is based on the number of protons and neutrons in what?
A: electrons",23,0
"Q: What objects are made from highly reflective metal that is applied to a curved or flat piece of glass?
A: mirrors",27,1
"Q: What is located at the center of our solar system?
A: a black hole",20,0
"Q: What is only effective if ventilation is matched to blood flow through alveolar capillaries?
A: breathing control",23,1
"Q: What occurs during the new moon and full moon, due to gravitational pull?
A: spring tides",23,1
"Q: How do organophostbate pesticides work?
A: inhibiting acetylcholinesterase",20,1
"Q: Like ants and termites, they grow fungi inside the bark of trees and use it to help do what?
A: clean the nest",30,0
"Q: What is a simple sugar such as fructose or glucose?
A: disaccharide",19,0
"Q: What is the process in which a solid changes directly to a gas without going through the liquid state called?
A: vaporization",29,0
"Q: What exactly happens during rna translation?
A: carbohydrate is synthesized",17,0
"Q: Genetic traits are characteristics encoded in what?
A: nuclei",15,0
"Q: What helps frogs swim during the tadpole phase?
A: a tail",18,1
"Q: What does hypoxic mean?
A: low oxygen",14,1
"Q: What are hollow cylinders and are the thickest of the cytoskeleton structures?
A: microtubules",23,1
"Q: What is the main problem in both types of diabetes?
A: insulin production",19,1
"Q: Seed plants that produce seeds in the ovaries of their flowers are known as what?
A: angiosperms",25,1
"Q: What is a diagram that shows a single way that energy flows throughout an ecosystem?
A: fuel chain",24,0
"Q: On a hot, dry day, plants close their stomata to conserve what?
A: water",23,1
"Q: What do the planets orbit around in the solar system?
A: the sun",19,1
"Q: What is the term for very large arrays of tandemly repeating, non-coding dna?
A: satellite dna",26,1
"Q: What happens to the level of relative humidity in the evening as air temperature declines?
A: it rises",24,1
"Q: When a balloon is rubbed against hair, they attract each other because of a difference in what?
A: Force",26,0
"Q: What is the stage between a zygote and polyp?
A: larva",19,1
"Q: What type of ions play critical roles in light-dependent reactions?
A: hydrogen",20,1
"Q: What transmits nerve impulses to other cells?
A: neurons",15,1
"Q: Controlling muscles and maintaining balance are just two of the roles of what system?
A: electrical system",23,0
"Q: When do homologous chromosomes separate and go to different gametes?
A: during meiosis",20,1
"Q: What happens to energy when an atom gains an electron?
A: it is released",20,1
"Q: What organism is at the top of the energy pyramid?
A: carnivore",19,1
"Q: Cancers derived from epithelial cells are referred to as what?
A: nodules",19,0
"Q: Traditionally, mammals were divided into groups based on what?
A: their sizes",19,0
"Q: How quickly a population changes in size over time is known as what?
A: population growth rate",23,1
"Q: What is cholera?
A: protein",11,0
"Q: As altitude rises, what happens to the temperature in the thermosphere?
A: oxygen increases",22,0
"Q: What is the name for unsaturated hydrocarbons that contain at least one double bond?
A: alkenes",23,1
"Q: What do chemical reactions  need to be activated?
A: energy",17,1
"Q: Because plants lack what kind of system, their first line of defense is usually the death of cells surrounding infected tissue to prevent spread of infection?
A: immune system",36,1
"Q: Growth, morphogenesis, and cell differentiation produce the plant what?
A: fur",20,0
"Q: What type of creature is noted for having its eyes at the tips of stalks or tentacles that emerge from its head?
A: corals",30,0
"Q: A group of individuals that consists of genetically related individuals that can breed to produce fertile young is known as what?
A: colonies",29,0
"Q: Which measure indicates the number of electrons in a given sublevel?
A: subscripts",21,0
"Q: What is needed by all known forms of life?
A: water",17,1
"Q: Most tunicates live a sessile existence in shallow ocean waters and are suspension feeders. the primary foods of tunicates are plankton and this?
A: bacteria",34,0
"Q: What season is it in the southern hemisphere when it's winter in the northern?
A: summer",24,1
"Q: What is the process in which glucose is made using energy in light called?
A: glucosynthesis",23,0
"Q: The first period of the paleozoic era was called what?
A: carboniferous",20,0
"Q: What term is used to describe the cellular structures responsible for protein synthesis?
A: ribosomes",22,1
"Q: Most organisms could not survive without what being present to speed up biochemical reactions?
A: vitamins",22,0
"Q: All the atoms of a given element have the same number of what in their nucleus, though they may have different numbers of neutrons?
A: protons",33,1
"Q: The rest of the energy stored in glucose is lost as what?
A: mass",20,0
"Q: Cilia and flagella are extensions of what?
A: cell nucleus",18,0
"Q: The cytoplasm divides during what stage of the cell cycle?
A: cytokinesis",19,1
"Q: A change in the sequence of bases in dna or rna is called a what?
A: infection",24,0
"Q: What do you need to do to water to make it steam?
A: freeze it",21,0
"Q: What form of energy is light?
A: hydro",14,0
"Q: How is most evidence gathered in science?
A: lab experiments",16,1
"Q: Boron only occurs naturally in compounds with what element?
A: oxygen",17,1
"Q: What term describes a disease in which the immune system attacks the body’s own cells?
A: autoimmune",25,1
"Q: What causes reduction of elasticity in all organs?
A: low vitamin D",18,0
"Q: For photosynthesis to begin, the inputs required are sunlight, water, and what?
A: phosphorus dioxide",24,0
"Q: What factors consist of parts of the environment that are or were alive, and their remains?
A: biotic factors",26,1
"Q: What are the most common types of compounds found on earth?
A: carbon-based compounds",22,1
"Q: What do we call zeros that appear after nonzero digits?
A: left-end zeros",21,0
"Q: Visible light can be split into colors with the use of a what?
A: prism",21,1
"Q: Protists which use their tails to eat are called what?
A: filter-feeders",22,1
"Q: What is the term of a phase change if solid water has it's average kinetic energy increased to change it to liquid water?
A: boiling",33,0
"Q: What catalyst substances may also allow reactions to occur by different pathways that have lower activation energy?
A: carbohydrates",25,0
"Q: Zinc reacting with hydrochloric acid produces bubbles of which gas?
A: hydrogen",18,1
"Q: What is the term for coiled structures made of dna and proteins?
A: neutrons",20,0
"Q: Mount kilimanjaro has ________ climates at the top and bottom?
A: different",19,1
"Q: Because all animals require an external source of what, they are called heterotrophic?
A: food",23,1
"Q: A fully developed placenta is made up of a large mass of what?
A: brain tissues",22,0
"Q: What is the measure of how closely molecules are packed together?
A: length",19,0
"Q: Plants obtain the molecules for cellular function though what?
A: tissues",17,0
"Q: What is another term for joules per second?
A: watts",17,1
"Q: The epidermis of the leaf consists of a single layer of which cells?
A: endothermic cells",23,0
"Q: What system in both males and females consists of structures that produce reproductive cells, or gametes, and secrete sex hormone?
A: circulatory system",32,0
"Q: In which type of cells are most organelles not found?
A: prokaryotic cells",20,1
"Q: What kind of diet is typical for raptors, such as hawks and owls?
A: carnivorous",24,1
"Q: Glands release what substance into the blood?
A: enzymes",16,0
"Q: What are the two types of properties that matter has?
A: nature and purpose",20,0
"Q: What type of receptors, also known as intracellular or cytoplasmic receptors, are found in the cytoplasm of the cell and respond to hydrophobic ligand molecules that are able to travel across the plasma membrane?
A: external",44,0
"Q: What basic plant structure is the site of photosynthesis?
A: nucleus",17,0
"Q: What do they call 2,2,4-trimethylpentane in the gasoline industry?
A: isooctane",30,1
"Q: When an electron transitions from an excited state to a less excited state, or ground state, the difference in energy is emitted as a what?
A: neutron",35,0
"Q: Which atomic particle has a positive charge?
A: the proton",16,1
"Q: Most diseases caused by bacteria can be cured by which medicines?
A: antibiotics",19,1
"Q: What do you call a species that has died out in the past?
A: endangered",21,0
"Q: What is the opening formed between adjacent vertebrae for the exit of a spinal nerve called?
A: intervertebral foramen",27,1
"Q: The group 18 gases that have 8 valence electrons are referred to as what type of gases?
A: noble",28,1
"Q: What is corrosive mixture is formulated by the combination of water, air and sulfur?
A: sulfuric acid",24,1
"Q: Moist skin distinguishes frogs from what animal with dry, bumpy skin?
A: toads",21,1
"Q: What type of isomers contain the same number of atoms of each kind but differ in which atoms are bonded to one another?
A: structural isomers",32,1
"Q: What two basic types of feather does a bird have?
A: carrying and down",20,0
"Q: What type of mammals are characterized by detailed development of the hands and feet, a shortened snout, and a large brain?
A: apes",31,0
"Q: What is the most significant cause of respiratory disease as well as cardiovascular disease and cancer?
A: sleeping",24,0
"Q: What is the evolutionary history of group of related organisms
A: substructure",18,0
"Q: What type of waves start when a source of energy causes a disturbance in the medium?
A: fluid waves",25,0
"Q: What is the mass of one mole of any given substance?
A: molar mass",20,1
"Q: Similarity of crystal structures is used to categorize what non-living materials?
A: salts",21,0
"Q: Where do amphibians lay their eggs?
A: in caves",15,0
"Q: If a solution contains so much solute that its solubility limit is reached, the solution is said to be what?
A: saturated",29,1
"Q: What do you call the horizontal stems of a strawberry plant that run over the ground surface?
A: root volunteers",26,0
"Q: What are the two main types of sedimentary rocks?
A: clastic and chemical",20,1
"Q: How many millions of years ago did pangaea begin breaking apart?
A: 250",24,1
"Q: A major diversification of what animal group occurred about 50 million years ago, possibly spurred by worldwide climate change?
A: mammals",30,1
"Q: What is the term for animals that eat producers to get energy?
A: carnivores",21,0
"Q: Echinoderms are marine organisms that make up which phylum?
A: annelida",21,0
"Q: A change in one or more physical properties of matter without any change in chemical properties is called what?
A: negative change",28,0
"Q: Temperature can affect what attribute of a siamese cat's coat?
A: weight",21,0
"Q: While light travels at different speeds in different kinds of matter, the speed of light is constant in what condition?
A: outer space",30,0
"Q: What is an acid that can be produced from the aerobic fermentation of wine?
A: vinegar",22,1
"Q: What human disease is caused by a defective enzyme that is unable to produce melanin, the pigment responsible for the color of skin and hair?
A: hemophilia",35,0
"Q: Rich in protein and nutrients, what abundant group of organisms is being touted as an important human dietary source?
A: fungus",28,0
"Q: What is the name for the process of charging an object by touching it with another charged object?
A: charging by conduction",28,1
"Q: When does coal release most of its energy?
A: when forming",17,0
"Q: What do we call the major artery carrying recently oxygenated blood away from the heart?
A: capillary",24,0
"Q: What is the process of larva becoming an adult called?
A: parthenogenesis",20,0
"Q: Making a specific prediction based on a general principle is known as what type of reasoning?
A: common sense reasoning",26,0
"Q: What is the body of a roundworm covered with?
A: thick scales",19,0
"Q: How many chambers are in a reptiles heart?
A: ten",16,0
"Q: In what way do all vertebrates reproduce?
A: mitosis",15,0
"Q: Which group of metals in the periodic table include elements such as sodium and potassium?
A: alkali metals",24,1
"Q: Most ferns produce the same type of spores and are therefore called what?
A: homosporous",23,1
"Q: What is defined as the amount of force acting on a given area?
A: pressure",21,1
"Q: Ordinary table salt is called what?
A: sodium chloride",15,1
"Q: Laid on dry land by reptiles, amniotic eggs have what that prevents them from drying out?
A: double shells",27,0
"Q: What is the term for the dark brown or black coating found on exposed desert rocks, which is formed of iron and manganese oxides?
A: desert patina",34,0
"Q: What do some plants produce that protects dormant seeds and aids in their dispersal?
A: fruit",22,1
"Q: What is the process in which the genetic code in mrna is read to make a protein called?
A: translation",27,1
"Q: What does temperature measure?
A: average kinetic energy of molecules",16,1
"Q: The scientific method is a method of research with defined steps that include experiments and careful what?
A: observation",25,1
"Q: What theory of gases describes this state of matter as composed of tiny particles in constant motion with a lot of distance between the particles?
A: magnetic",33,0
"Q: What is it called when waves interact with other waves?
A: wave interference",19,1
"Q: After ovulation occurs, the moving “fingers” of what nearby structure sweep the egg into its tube?
A: fallopian tube",29,1
"Q: After infecting a host, what inactive state do some viruses enter?
A: hibernation",20,0
"Q: What does the body derive from the breakdown of the carbohydrate-containing foods and drinks we consume?
A: glucose",26,1
"Q: What expresses the mass of substance in terms of the volume occupied by the substance?
A: density",23,1
"Q: The frequency of a wave is the reciprocal of what other attribute of the wave?
A: amplitude",23,0
"Q: Excretion is the process of removing excess water and wastes from the body. what are the main organs of excretion?
A: kidneys",30,1
"Q: The dead, dry stratum corneum is the most superficial layer of what and is the layer exposed to the outside environment?
A: intestinal",31,0
"Q: Because action potentials are so brief, a neuron can produce hundreds per what?
A: day",22,0
"Q: What are the  basic building blocks of the human body?
A: proteins",19,0
"Q: Neurologists are physicians who specialize in disorders of what system?
A: nervous system",20,1
"Q: The northern spotted owl and the mexican spotted owl inhabit geographically separate locations with different climates and ecosystems. the owl is an example of?
A: parallel evolution",34,0
"Q: What is it called when an egg develops into an individual without being fertilized?
A: symbiosis",23,0
"Q: The production of multiple copies of a single gene is called?
A: gene cloning",20,1
"Q: What are the contacts between neurons called?
A: synapses",15,1
"Q: A sperm cell and an egg cell fuse to become what?
A: embryo",19,0
"Q: What occurs in a formerly inhabited area that was disturbed?
A: secondary succession",19,1
"Q: What type of speciation occurs when groups from the same species are geographically isolated for long periods?
A: allopatric",27,1
"Q: What do waves do when they are unable to pass through an object?
A: reflect off",22,1
"Q: What 3 types of friction occur between solid surfaces?
A: static, sliding, rolling",22,1
"Q: The major salivary enzyme is called?
A: synthase",14,0
"Q: What term is used to describe animals that excrete ammonia?
A: ammonotelic",21,1
"Q: Shark teeth likely evolved from the jagged scales that cover their skin, called what?
A: placoid scales",26,1
"Q: One type of tissue, called brown fat, is made up of cells packed full of what?
A: mitochondria",26,1
"Q: Which bones are the large, curved bones that form the lateral and anterior aspects of the pelvis?
A: hip",26,1
"Q: What is a measure of the amount of space a substance or an object takes up?
A: speed",24,0
"Q: Most of food's chemical energy ultimately comes from what source?
A: sunlight",20,1
"Q: For what purpose does liver use the excess carbohydrate?
A: process sugar",18,0
"Q: Unlike wood and glass, steel is an example of a material that responds to what force?
A: magnetic",25,1
"Q: What do you call vesicle transport into the cell?
A: endocytosis",18,1
"Q: What makes blue cheese blue?
A: fungus",13,1
"Q: What is the only metal that is a liquid at room temperature?
A: copper",20,0
"Q: What determines velocity?
A: direction",11,0
"Q: The short length of what in women is the best explanation for the greater incidence of uti in women?
A: urethra",27,1
"Q: What structure of the heart receives oxygen-poor blood from the body, then pumps the blood into the right ventricle?
A: right atrium",31,1
"Q: What do we call an incorrect test result that should have been positive?
A: external positive",22,0
"Q: What do you call a mixture in which some particles settle out of it when it is left standing?
A: emulsion",27,0
"Q: The anterior pituitary produces seven different what, each with a special function?
A: neurotransmitters",22,0
"Q: How many chromosomes are in a diploid human cell?
A: 46 chromosomes",20,1
"Q: By what process does oxygen enter the pores of flatworms?
A: absorption",19,0
"Q: What causes a small scrap of paper placed on top of the water droplet to float , although the object is denser (heavier) than the water?
A: surface tension",38,1
"Q: Which phylum is made up of segmented worms such as earthworms?
A: chordata",22,0
"Q: What does parasitic mean?
A: lives in host",14,1
"Q: The plasma membrane pulls away from the cell wall as it shrivels. what is this process called?
A: plasmolysis",29,1
"Q: What is quantified by measuring the number of decay processes per unit time?
A: temperature",21,0
"Q: Geologists found that the youngest rocks on the seafloor were where?
A: mid - ocean ridges",24,1
"Q: The parts of the ears involved in balance are called what?
A: semicircular canals",21,1
"Q: What play several important roles in the human body?
A: lipids",17,1
"Q: What process is used to chemically and mechanically break down the food you eat into smaller parts?
A: absorption",25,0
"Q: Rain, snow, sleet, and hail are all examples of what?
A: precipitation",22,1
"Q: Peroxisomes carry out oxidation reactions that break down what acids?
A: fatty acids and amino acids",25,1
"Q: What type of properties are characteristics that describe matter?
A: visible",17,0
"Q: The earliest cells were called what?
A: eukaryotes",15,0
"Q: Which direction does the sun, moon, and stars appear to travel?
A: south to north",23,0
"Q: What is the name of the smallest planet in our solar system, which is also nearest to the sun?
A: mercury",28,1
"Q: Heavier isotopes of plutonium are also produced when lighter plutonium nuclei capture what?
A: protons",22,0
"Q: Partially decayed remains of plants and animals form the organic portion of what?
A: minerals",21,0
"Q: The pollen grain absorbs water and does what after it adheres to the stigma of a carpel?
A: reproduces",26,0
"Q: All of the stages that a cell goes through make up what?
A: the cell cycle",22,1
"Q: What is it called when something is unable to move from place to place?
A: Undrate",23,0
"Q: Metabolism is the collection of what that occur in an organism?
A: chemical reactions",20,1
"Q: What gas is contributing to the greenhouse effect?
A: carbon dioxide",17,1
"Q: What is aggravated by practices such as logging, mining, construction, and paving surfaces?
A: global warming",25,0
"Q: What can be calculated by solving the average speed formula?
A: accelaration",20,0
"Q: What is the blastocyst called after implantation?
A: an embryo",18,1
"Q: What kind of pipettes are suitable for measuring very small amounts of liquids?
A: clutch pipettes",24,0
"Q: Proto-oncogenes normally help regulate what?
A: cell transition",18,0
"Q: Some atoms are more stable when they gain or lose an electron and form what?
A: molecules",23,0
"Q: What is a series of processes that remove unwanted substances from water called?
A: water filtration",22,0
"Q: The major cause of outdoor air pollution is the burning of?
A: trees",19,0
"Q: What does a virus inject into the host cell?
A: cells acid",18,0
"Q: The peripheral nervous system consists of all the nerves that are found outside what?
A: central nervous system",24,1
"Q: What is used to report the results of scientific measurements?
A: bi units",19,0
"Q: Where do cells come from?
A: preexisting cells",14,1
"Q: Scientists use a quantity called __________ as a measure of disorder, or randomness.
A: chance level",23,0
"Q: Oscillations in the transcription of certain genes are at the heart of the molecular mechanisms underlying what biological rhythms?
A: circadian rhythms",29,1
"Q: The simplest organic compounds have hydrogen and what else?
A: sodium",17,0
"Q: What type of fish are the majority of living species?
A: ray-finned fish",22,1
"Q: Where is glucose carried in the human body?
A: the blood",17,1
"Q: What is the rigid layer that is found outside the cell membrane and surrounds the cell?
A: cell wall",25,1
"Q: The animal kingdom can also be divided into two basic groups, what are they?
A: invertebrates and vertebrates",25,1
"Q: What do fungi produce to digest nutrients?
A: pores",15,0
"Q: Copper oxide is a result of what two substances mixing?
A: copper and oxygen",20,1
"Q: What is produced when a colorless solution of lead nitrate is added to a colorless solution of potassium iodide?
A: blue solid precipitate",29,0
"Q: The ability of matter to burn is called?
A: solubility",16,0
"Q: What do the hair cells in the cochlea release when they bend?
A: receptors",21,0
"Q: According to the octet rule, magnesium is unstable because its valence shell has just two of what?
A: quarks",27,0
"Q: What kind of reactions absorb energy from their surroundings as they occur?
A: endothermic",21,1
"Q: Fungi are unique in having cell walls made of what?
A: chitin",19,1
"Q: What structure is made from dna and protein molecules coiled together?
A: bacterium",19,0
"Q: What's the name for an atom that has gained or lost an electron?
A: an ion",24,1
"Q: Tendons connecting the scapula to the humerus form what, which is the circle of tendons around the shoulder joint?
A: knee cuff",32,0
"Q: In the universe as a whole, what is the most common element?
A: helium",21,0
"Q: What effect causes winds and currents to form circular patterns?
A: coriolis effect",20,1
"Q: What do plants lose the most of through the stomata?
A: energy",19,0
"Q: Lymph vessels, like veins, have what objects that prevent the backflow of fluid?
A: pumps",24,0
"Q: What type of invertebrate typically has a single spiraled shell?
A: gastropod",20,1
"Q: Amphibians have permeable skin which allows for the exchange of oxygen and carbon dioxide, what is this ""breathing called?""
A: cutaneous respiration",32,1
"Q: What type of fibrous joint is found between most bones of the skull?
A: suture",21,1
"Q: Earthquakes have both longitudinal and transverse components, and these travel at what?
A: different speeds",22,1
"Q: What bone forms the upper jaw and supports the upper teeth?
A: maxillary bone",20,1
"Q: What is the process where scientific articles are checked and analyzed by other scientists before publication?
A: mechanism review",25,0
"Q: What does the stomach produce to help digest food?
A: hydrochloric acid",18,1
"Q: What changes the chemical composition of a substance and can only occur through a chemical reaction?
A: carbon changes",25,0
"Q: What is the measure of the energy released when an extra electron is added to an atom?
A: electron affinity",26,1
"Q: What organisms known as decomposers break down wastes and dead organisms into smaller molecules?
A: consumers",24,0
"Q: Over time, what changes solid rock into pieces?
A: metamorphosis",17,0
"Q: What anatomical system is made up of neurons and glia?
A: nervous system",20,1
"Q: Which disease afflicts children who don't get enough calcium during their bone formation stage?
A: rickets",26,1
"Q: What type of plants have vascular tissue but do not have seeds?
A: rocky vascular plants",22,0
"Q: Silver and ordinary table salt are two examples of chemical what?
A: substances",19,1
"Q: A crater can usually be found on the top of what kind of volcanoes?
A: Shield",22,0
"Q: What is the more common term for ethanoic acid, the active substance in vinegar?
A: acetic acid",25,1
"Q: What is the smallest main part of the brain?
A: the stem",18,1
"Q: What areas of the planet are most birds native to?
A: tropical",18,1
"Q: Convection is the transfer of thermal energy by particles moving through what?
A: Solid",21,0
"Q: What is the movement of animals from one place to another?
A: migration",19,1
"Q: What is the term for the hard, round object produced within the mantle of a living shelled mollusk?
A: ball",28,0
"Q: What is the wavelength of light expressed in?
A: nanoseconds",17,0
"Q: A black solid by itself, this element is incredibly important because of what it makes when it combines with many other elements, including oxygen?
A: lead",34,0
"Q: Living things get energy from food in a process called respiration, which releases what gas back into the atmosphere?
A: carbon dioxide",29,1
"Q: What also happens when people feel anxious and breathe too fast?
A: they become pettite",22,0
"Q: In the body, second in volume to intracellular fluid is what type of fluid, which surrounds cells that are not blood cells?
A: interstitial fluid",33,1
"Q: Most members of what mammalian order possess opposable thumbs?
A: primates",18,1
"Q: The spin quantum number describes the spin for a given what?
A: ion",19,0
"Q: Warm water from the equator mixes with cold water from where?
A: the poles",20,1
"Q: Exemplified by canada and alaska, what kind of climate has cool, short summers and long, cold winters, little precipitation, and abundant conifers?
A: subarctic climate",39,1
"Q: What is corrosive mixture is formulated by the combination of water, air and sulfur?
A: sulfuric acid",24,1
"Q: If everything in a system stays the same but the pressure deceases, gas bubbles will change in what way?
A: they multiply",30,0
"Q: Which stage of life is typically easier for learning multiple languages?
A: adolescenc",21,0
"Q: What process typically occurs to metal exposed to outside elements?
A: shrinkage",18,0
"Q: What do offsprings obtain from their parents in what is called, inheritance?
A: characteristics",22,1
"Q: Frogs and toads, salamanders and newts, and caecilians are the three orders of what group of animals?
A: amphibians",32,1
"Q: What are the two metals within a battery called?
A: sheath and a cathode",20,0
"Q: The only obvious difference between boys and girls at birth is what type of organs?
A: reproductive",23,1
"Q: What is another name for molecular compounds?
A: covalent compounds",16,1
"Q: What kind of light ranges from red to violet?
A: infrared light",18,0
"Q: Where do greenhouse gases trap heat?
A: atmosphere",14,1
"Q: What is the microtubule-organizing center found near the nuclei of animal cells?
A: lysosome",25,0
"Q: What is the name for creatures such as bears and humans that eat both consumers and producers?
A: carnivorous",26,0
"Q: What category of elements are chacterized by their ability to reflect light, called luster, their high electrical and thermal conductivity, their high heat capacity, and their malleability and ductility?
A: metals",45,1
"Q: Different types of home heating systems all function by producing what type of energy?
A: thermal",22,1
"Q: The oceans affect earth’s atmosphere and influence its what?
A: earthquakes",19,0
"Q: Where are some of the greatest concentrations of species found?
A: at high altitudes",20,0
"Q: What hormone controls milk production in mammary glands?
A: prolactin",17,1
"Q: Oxidation does not necessarily require heating. which is the common and natural method of oxidation?
A: rusting",25,1
"Q: What is a soft, gray, nontoxic alkaline earth metal?
A: calcium",20,1
"Q: What does increased temperature do to a substance's kinetic energy?
A: increases",20,1
"Q: What term is used to describe the development of new technology?
A: technological design",20,1
"Q: The conductive cells within the heart establish the heart rate and transmit it through the what?
A: myocardium",25,1
"Q: Insect's antennae are useful for sensing what?
A: chemicals",17,1
"Q: Salt-water biomes in the ocean are called what?
A: marine organelles",20,0
"Q: What does the human heart do?
A: pump blood",15,1
"Q: What part of the brain lies under the cerebrum and behind the brain stem?
A: spinal cord",24,0
"Q: What is the term for the measure of the average kinetic energy of the particles in matter?
A: temperature",25,1
"Q: What forces keep the moon orbiting the earth?
A: polar",16,0
"Q: What is one trait that the sponge and tarantula share?
A: lack of a backbone",22,1
"Q: What sulfur compound occurs in volcanic gases and in the atmosphere near industrial plants?
A: sulfur dioxide",23,1
"Q: What is an alpha particle with two protons and two neutrons called?
A: helium nucleus",21,1
"Q: Rabies transmission occurs when saliva from an infected mammal enters a wound. the virus travels through neurons in the peripheral nervous system to the central nervous system where it impairs this?
A: lung function",43,0
"Q: What is an alloy of copper and tin?
A: zinc",16,0
"Q: Unstable isotopes give off particles and energy as what?
A: electricity",18,0
"Q: The stems of all vascular plants get longer through primary growth. this occurs in primary meristem at the tips and ______ of the stems.
A: nodes",34,1
"Q: Echinoderms are found in many different ocean environments, but most are found where?
A: in reefs",25,1
"Q: What do you call the fixed point of a lever?
A: fulcrum",19,1
"Q: What is the scientific name of the thighbone, the longest, heaviest, and strongest bone in the body?
A: femur",29,1
"Q: For an exothermic chemical reaction, energy is given off as reactants are converted to what?
A: products",25,1
"Q: Most organisms could not survive without what being present to speed up biochemical reactions?
A: vitamins",22,0
"Q: Nonflowering vascular plants have three basic types of leaves: microphylls, fronds, and what other type?
A: needles",30,1
"Q: What do stored fats provide our body with for later use?
A: metals",19,0
"Q: The complete combustion of alkanes to carbon dioxide is an extremely __________ reaction.
A: exothermic",24,1
"Q: What kind of reactions absorb energy from their surroundings as they occur?
A: endothermic",21,1
"Q: What kind of muscle is responsible for hollow organs contracting?
A: micro muscle",19,0
"Q: Human mammary glands can produce what substance, which can be used to feed children?
A: edema",23,0
"Q: Arthropods change into the adult form in a process called what?
A: metamorphosis",20,1
"Q: Earth acts like a giant version of what device, with angular momentum along its axis and pointing at polaris, the north star?
A: gyroscope",34,1
"Q: Skeletal muscle cells and cardiac muscle cells share what property, which is not shared by smooth muscle cells?
A: surfaces",27,0
"Q: Vascular plants evolved what basic structures to collect sunlight?
A: leaves",17,1
"Q: What type of tissue is blood?
A: connective",14,1
"Q: Does water get colder or warmer the deeper you go?
A: colder, than warmer",21,0
"Q: In which stage does the chromatin condense into chromosomes?
A: prophase ii",19,1
"Q: In what part of the lungs is pulmonary gas exchanged?
A: alveoli",19,1
"Q: How many types of surface waves are there?
A: two",16,1
"Q: What signals the secretion of gastric acid?
A: hormone",15,0
"Q: In vertebrates, what tissue is a type of connective tissue that supports the entire body structure?
A: bone",25,1
"Q: Parasitism, mutualism, and commensalism are instances of what type of interaction?
A: semantic",25,0
"Q: What element has an atomic number of 6?
A: carbon",17,1
"Q: Where do lancelets live?
A: on land",14,0
"Q: What is the latin name for mercury?
A: trichina",16,0
"Q: What do muscles need to contract?
A: stress",14,0
"Q: What is the vector sum of all the torques acting on the object called?
A: critical torque",24,0
"Q: Any sample of matter that has the same physical and chemical properties throughout the sample is called what?
A: substance",26,1
"Q: What do waves do when they are unable to pass through an object?
A: reflect off",22,1
"Q: Many innovative farming methods can prevent what type of erosion, which is especially important in agriculture?
A: soil erosion",26,1
"Q: What force is greater on rougher surfaces than smooth surfaces?
A: tension",19,0
"Q: What process typically occurs to metal exposed to outside elements?
A: shrinkage",18,0
"Q: When light transfers its energy to objects, this is known as what?
A: absorption",21,1
"Q: What is the earliest reptile?
A: sporozoans",15,0
"Q: In heart muscle, what released by neurons activates a signal transduction pathway?
A: dopamine",21,0
"Q: Birds have a flow-through respiratory system in which air flows unidirectionally from the posterior sacs into the lungs, then into these?
A: anterior air sacs",36,1
"Q: Ionic bonds are what kind of attraction between ions?
A: kinetic",17,0
"Q: What is the electrode at which reduction occurs called?
A: reducthode",18,0
"Q: What type of solvents is glucose insoluble in?
A: nonpolar",17,1
"Q: Ecology, botany, and zoology are what type of science?
A: psychological sciences",21,0
"Q: What are the most common causes of brain injuries?
A: falls",17,1
"Q: Which muscular organ pumps blood all around your body?
A: heart",17,1
"Q: Fatal swelling of what organ can result from both encephalitis and meningitis, which typically cause a severe headache and a fever?
A: brain",30,1
"Q: What is the process by which plants make their own food called?
A: photosynthesis",20,1
"Q: What type of compound contains atoms of two or more different elements in its ring structure?
A: aldehyde",24,0
"Q: Kinetic and potential are two forms of what?
A: energy",16,1
"Q: What are the building blocks of life?
A: muscles",15,0
"Q: What are the smallest particles of water called?
A: hydrogen",16,0
"Q: Structural adaptations in flying animals often contribute to reduced what?
A: blood flow",19,0
"Q: What is evolution that occurs over a long period of time called?
A: macroevolution",21,1
"Q: What should you learn that allows you to recognize and avoid the dangers of specific hazards when experimenting, such as flames or broken glass?
A: available safety symbols",35,0
"Q: What are two nonliving things that all living things need for survival?
A: sunlight",21,0
"Q: The term science comes from a latin word that means?
A: having knowledge",19,1
"Q: Which organelle is made up of 5 to eight cup shaped, membrane covered stacks of discs known as cisternae?
A: vacuole",32,0
"Q: What measure is resorted to by people who wish to screen out genetic abnormalities in the fetus?
A: contraceptive use",26,0
"Q: A light bulb converts electrical energy to light and what?
A: kinetic energy",19,0
"Q: For a star to form, what force pulls gas and dust into the center of the nebula?
A: gravity",26,1
"Q: What is formed when atoms of different elements bond together?
A: covalent compound",19,1
"Q: The mass lost in mass defect has gone into energy called what?
A: momentum",20,0
"Q: What is studied to understand gene expression patterns in cells?
A: rna",19,1
"Q: What term means the adjusting of systems within a cell in order to restore balance or maintain equilibrium?
A: homeostatic regulation",28,1
"Q: Biotechnology uses what to solve problems?
A: psycology",15,0
"Q: What is the layer above the mesophere called?
A: exosphere",19,0
"Q: What kind of rock's makeup is changed by heat and or pressure?
A: metamorphic",22,1
"Q: Why do viruses not belong to any domain of life?
A: they are nonliving",21,1
"Q: What can be described as a tiny male gametophyte enclosed in a tough capsule?
A: grain of pollen",27,1
"Q: A decline in blood flow to what organs stimulates release of the enzyme renin, in turn stimulating the reabsorption of sodium and water?
A: kidneys",34,1
"Q: What do you call materials that have high resistance to electric current?
A: electric insulators",21,1
"Q: What type of energy is produced when two objects move together?
A: potential energy",20,0
"Q: Plants supply, ultimately, most of the food eaten by terrestrial animals, along with what gas?
A: oxygen",26,1
"Q: What gas associated with global warming is released when limestone is heated during the production of cement?
A: carbon monoxide",26,0
"Q: What type of machines generally have lower efficiency but greater mechanical advantage?
A: calculation machines",21,0
"Q: What color light is actually the absence of electromagnetic waves in the visible spectrum, for humans?
A: black light",26,1
"Q: One common form of mate choice, called assortative mating, is an individual’s preference to mate with partners who are what?
A: close to themselves",36,0
"Q: Young eutherians complete their embryonic development within what?
A: pollen grains",19,0
"Q: What can occur during periods of heavy rain?
A: floods",16,1
"Q: What do nonvascular plants reproduce with?
A: photosynthesis",15,0
"Q: Large increases in the diversity of life have resulted from adaptive radiations that followed what?
A: mass mutations",25,0
"Q: Channel proteins and carrier proteins help substances diffuse across what?
A: endoplasmic reticulum",20,0
"Q: Both fats and oils are made up of long chains of carbon atoms that are bonded together. what are these chains called?
A: amino acids",32,0
"Q: Yeasts are single-celled fungi. about 1,000 species are recognized, but the most common species is saccharomyces cerevisiae, which is used in this?
A: bread making",43,1
"Q: Fats are also called triacylglycerols or triglycerides because of their what?
A: atomic number",23,0
"Q: Why does water infiltrate the ground?
A: gravity",14,0
"Q: Debroglie proposed in 1924 that any object exhibits a wavelength that is inversely proportional to its?
A: momentum",30,1
"Q: Scientists measure the gases that escape from a volcano to predict what?
A: eruptions",20,1
"Q: What is the area of our universe that isn't stars and galaxies called?
A: nebula",23,0
"Q: Pulleys are generally used to do what with objects?
A: lift",19,1
"Q: What kind of hormones are released into the environment for communication between animals of the same species?
A: hormones",25,0
"Q: What is root that does not arise from a usual place?
A: momentous",19,0
"Q: Electrons are located at fixed distances from the nucleus, what are they called?
A: energy levels",24,1
"Q: What evolutionary concept characterizes a species by body shape and other structural features?
A: geologic species concept",23,0
"Q: What kind of mountainous formation can often be found near trenches?
A: earthquakes",19,0
"Q: What number is the sum of the numbers of protons and neutrons present in the nucleus of an atom?
A: mass number",28,1
"Q: What is the result when two monosaccharides are bound together?
A: Peroxide",20,0
"Q: What are temporary feet that protists have called?
A: transient pseudopodia",20,1
"Q: What is the diffusion of water through a semipermeable membrane according to the concentration gradient of water across the membrane
A: nutrients",29,0
"Q: Where does carbohydrate digestion begin in the body?
A: stomach",16,0
"Q: Meaning a disease that spreads from person to person, what term is synonymous with ""contagious""?
A: infectious",27,1
"Q: What is the technical term for species that produce their own body heat and regulate their internal temperature independently of the outside temperature?
A: endothermic",32,1
"Q: What mammal is often a pollinator of nocturnal flowers?
A: sunbirds",19,0
"Q: By impacting plant species and the animals they support, destruction of habitat threatens what event?
A: overpopulation",25,0
"Q: Why do birds need a light-weight body?
A: to stay aloft",19,1
"Q: How many different types of taste can be detected by taste buds?
A: three",20,0
"Q: Serious imbalances, cancer and other diseases can result when expression of what goes awry?
A: genes",24,1
"Q: What does the esophagus connect to at its bottom end?
A: the colon",19,0
"Q: A lens of what shape causes rays of light to diverge, or spread apart, as they pass through it?
A: convex",29,0
"Q: The crocodilia order, which includes crocodiles, alligators, caimans, and gharils, is part of what class of animals?
A: aquatic",38,0
"Q: What are the smallest type of blood vessel?
A: capillaries",16,1
"Q: What effect occurs when a few individuals start, or found, a new population?
A: divergent",23,0
"Q: What is the name of the major sex hormone in females?
A: estrogen",19,1
"Q: What is determined by the energy of the disturbance that causes the wave?
A: wavelength",21,0
"Q: What is electrons in the highest occupied principal energy level of an atom called?
A: valence electrons",23,1
"Q: What happens to charges whenever they are accelerated?
A: they radiate",17,1
"Q: What is the lowest layer of the atmosphere?
A: ionosphere",17,0
"Q: What is the process of a cell membrane surrounding a particle and engulfing it calles?
A: phagocytosis",25,1
"Q: What instrument has a resolution many times greater than a light microscope, and can be used to see the details on the outside of a cell?
A: complex microscope",36,0
"Q: A minority of people on earth use up most of the planet's what, including energy?
A: resources",26,1
"Q: Most scientists think that ordinary matter makes up how much of the total matter in the universe?
A: greater than half",27,0
"Q: Solid balls of water and dust falling from the sky are known as?
A: snow",21,0
"Q: What planet is a blue green color?
A: uranus",16,1
"Q: In most crustaceans, what two structures fuse to form a cephalothorax?
A: foot and toes",25,0
"Q: What is a mixture of metal with one or more other elements?
A: an alloy",21,1
"Q: Asexual reproduction occurs by what process?
A: budding",15,1
"Q: Living things are highly organized following a hierarchy that includes atoms, molecules, organelles, cells, tissues, organs, and organ systems. organisms, in turn, are grouped as populations, communities, ecosystems, and this?
A: hydrosphere",51,0
"Q: Potential energy is not only associated with the location of matter, but also with the structure of matter. even a spring on the ground has potential energy if it is what?
A: ignored",41,0
"Q: What is the term for animals that defend their area?
A: predatory",18,0
"Q: Bar, circle, and line are all types of what?
A: graphs",19,1
"Q: Living organisms are affected by changes in ph which can include basic conditions and what other kinds of conditions?
A: carbolic",28,0
"Q: The major fuel for the brain is which carbohydrate?
A: glutamate",17,0
"Q: With the exception of water, what accounts for more mass than any other component of living organisms?
A: proteins",26,1
"Q: Which branch of science is the study of energy, matter, and their interactions?
A: physics",23,1
"Q: What natural process is associated with the death of cells?
A: aging",18,1
"Q: What is defined as the mass per unit volume of a substance?
A: density",20,1
"Q: Where in the cell does photosynthesis occur?
A: cell wall",16,0
"Q: What must people with type 1 and type 2 diabetes frequently check?
A: blood plasma levels",24,0
"Q: Many european and asiatic elms are less susceptible to dutch elm disease than which elms?
A: american",26,1
"Q: What do a group of cells that work together form?
A: molecule",18,0
"Q: What are complex organic molecules that make up cells?
A: proteins",17,1
"Q: When a solute dissolves into a solvent what is that called?
A: solubility",19,0
"Q: Like birds, most other reptiles excrete their nitrogenous wastes as what acid?
A: hydrochloric",23,0
"Q: What is a network solid and consists of carbon atoms covalently bonded to one another in a repeating three-dimensional pattern?
A: a zirconium",32,0
"Q: Producers at the base of ecological food webs are also known as?
A: endoscopic",20,0
"Q: Ammonia, urea, and uric acid are examples of what kind of waste?
A: carbonous",23,0
"Q: The pollen grain absorbs water and does what after it adheres to the stigma of a carpel?
A: reproduces",26,0
"Q: What is the upper-most atmosphere known as?
A: xerosphere",19,0
"Q: Some plants have stolons, or stems, that run along the ground and are commonly called what?
A: stages",27,0
"Q: When you change a magnetic field through electromagnetic induction what do you create?
A: electric current",22,1
"Q: Most ferns produce the same type of spores and are therefore called what?
A: homosporous",23,1
"Q: A sequence of amino acids in single polypeptide is the primary structure for what?
A: proteins",22,1
"Q: What is the term for chordates with a vertebral column and endoskeleton of cartilage and bone?
A: vertebrate",26,1
"Q: What source of water pollution picks up chemicals from the ground with water and carries them to bodies of water?
A: fertilizer",28,0
"Q: Splitting of the nucleus of a radioactive atom into two smaller nuclei yields what type of reaction, which releases a great deal of energy from a small amount of matter?
A: nuclear fission",41,1
"Q: What phase follows ovulation?
A: interstitial phase",13,0
"Q: Unlike the biological species concept, the ecological species concept can accommodate asexual as well as ________ species.
A: homosexual",26,0
"Q: What bonds form because they give atoms a more stable arrangement of electrons?
A: Hydrogen bond",22,0
"Q: What do you call a carnivore that eats mainly insects?
A: insectivores",21,1
"Q: A man made lake is known as what?
A: Pond",16,0
"Q: What structure is the site of all of the basic biochemical processes that keep organisms alive?
A: particle",24,0
"Q: The ancient greek philosopher aristotle thought that all matter consists of just four what, which he identified as earth, air, water, and fire?
A: ingredients",36,0
"Q: What are the two components of the ecf?
A: proteins and if",19,0
"Q: Arachidic, stearic, and palmitic fatty acids are examples of what type of fatty acid?
A: saturated",28,1
"Q: What property is a measure of the average kinetic energy of molecules?
A: mass",20,0
"Q: What class of animals, translated as “head foot”, includes octopuses, squids, cuttlefish, and nautilus?
A: mollusks",35,0
"Q: Sugar and starch are examples of what type of nutrient?
A: proteins",18,0
"Q: What is the process in which organisms reproduce sexually by joining gametes called?
A: fertilization",22,1
"Q: Name the virus that causes cold sores.
A: herpes virus",16,1
"Q: What cage composed of 12 pairs of ribs, with their costal cartilages and the sternum, protects the heart and lungs?
A: thoracic",34,1
"Q: Synthesis, decomposition, replacement, and combustion are all types of what reaction?
A: chemical",22,1
"Q: The primary site of carbohydrate digestion is in the?
A: small intestine",18,1
"Q: About one-third of the human cerebral cortex is dedicated to analyzing and perceiving information related to what sense?
A: vision",28,1
"Q: Where do streams often start?
A: valleys",13,0
"Q: What are groups of tens to hundreds of thousands of stars held tightly together by gravity called?
A: elliptical clusters",26,0
"Q: Compounds with metals and nonmetals sharing electrons are known as what kinds of compounds?
A: ions",23,1
"Q: What burns to produce the white light in fireworks displays?
A: magnesium in air",20,1
"Q: What is the supply of water to land or crops to help growth called?
A: irrigation",22,1
"Q: Where in the cell does transcription occur?
A: protoplasm",16,0
"Q: Name the process that produces many copies of a certain gene.
A: gene cloning",20,1
"Q: What is the term for plants that produce flowers and fruit?
A: endosperms",20,0
"Q: What's caused by damaged capillaries in the kidneys so the nephrons can no longer filter blood?
A: bacteria failure",28,0
"Q: What do most ecosystems get energy from?
A: sunlight",15,1
"Q: Why do sharks sense low levels of electricity?
A: to locate mates",18,0
"Q: What causes a meteoroid to vaporize after it enters the atmosphere?
A: friction with atmosphere",23,1
"Q: How is carbon dioxide and water vapor that is produced by cellular respiration released?
A: peroxidation",23,0
"Q: What liquid is referred to as the ""universal solvent""?
A: bromine",18,0
"Q: Nucleic acids are polymers made of monomers called what?
A: loops",17,0
"Q: What determines the ability of soil particles to bind many nutrients?
A: surface pulses",20,0
"Q: Chitin is a substance that is found in what part of animals like beetles and lobsters?
A: brains",25,0
"Q: Changes in temperature, ph, and exposure to chemicals may lead to permanent changes in the shape of a protein, leading to loss of function known as what?
A: digestion",38,0
"Q: Fertilization occurs when what material from one flower reaches the female gametes in the same or a different flower?
A: ova",29,0
"Q: What do vertebrates have which invertebrates do not?
A: appendages",16,0
"Q: What two things determine how much kinetic energy an object has?
A: its weight and volume",22,0
"Q: What cycle completes the breakdown of glucose begun in glycolysis?
A: krebs",20,1
"Q: What do microbes use to make food?
A: chemicals",15,1
"Q: What type of creature is noted for having its eyes at the tips of stalks or tentacles that emerge from its head?
A: corals",30,0
"Q: Temperature can affect what attribute of a siamese cat's coat?
A: weight",21,0
"Q: What causes waves to bring sand up onto the beach during summers?
A: no energy",21,0
"Q: When does an oocyte complete meiosis?
A: metaphase",16,0
"Q: Gene therapy is a type of what kind of engineering?
A: genetic engineering",19,1
"Q: A system of glands secretes what chemical messenger molecules into the blood?
A: metabolytes",23,0
"Q: A group of individuals that consists of genetically related individuals that can breed to produce fertile young is known as what?
A: colonies",29,0
"Q: What is the sum of the massess of the atoms in a molecule?
A: underlying mass",23,0
"Q: The axial skeleton forms the vertical, central axis of the body and includes all bones of the head, neck, chest, and back. it serves to protect the brain, spinal cord, heart, and what else?
A: ovaries",50,0
"Q: Serious imbalances, cancer and other diseases can result when expression of what goes awry?
A: genes",24,1
"Q: Amplification that occurs in which cells often requires signal transduction pathways involving second messengers?
A: sensory receptor",24,1
"Q: In cellular respiration, glucose is broken down and what is made?
A: chlorophyll",20,0
"Q: What is a simple carbohydrate with the chemical formula c 6 h 12 o 6 better known as?
A: glucose",30,1
"Q: What theory states that all organisms are made up of one or more cells?
A: the cell theory",24,1
"Q: Electrical energy consumed can be expressed as the product of power multiplied by what else?
A: work",23,0
"Q: Covalent solutes separate into what when dissolved?
A: second molecules",18,0
"Q: What remains a constant of radioactive substance over time?
A: rate of decay",19,1
"Q: Waste leaves the body in the form of what?
A: saliva",17,0
"Q: Fossil fuels are made out of what two objects?
A: plants and animals",19,1
"Q: Pathogens infect many animals and are agents of what?
A: drought",18,0
"Q: What type of cells are gametes?
A: reproductive",15,1
"Q: The iron ion used to bind oxygen is on what type of ""ring""?
A: DNA ring",23,0
"Q: Which highly valuable substance found in jewelry has a density of about 19 g/cm^3?
A: gold",28,1
"Q: What does rearrangements of chromosomes contribute to the emergence of?
A: new species",20,1
"Q: Bones consist of four types of tissue, compact bone, spongy bone, bone marrow, and what?
A: periosteum",31,1
"Q: Through what do plants move enormous amounts of water from the soil to the atmosphere?
A: perspiration",23,0
"Q: How many pairs of chromosomes are there?
A: 17",17,0
"Q: What is a soft, malleable, and corrosion resistant material called?
A: tin",21,0
"Q: What type of reproduction do fungi engage in?
A: sexual",16,0
"Q: What kind of bonding between alcohol molecules means that more energy is required to convert the liquid to vapor, and boiling points are therefore high?
A: stronger hydrogen bonding",36,1
"Q: What is the term for an organism’s underlying genetic makeup, consisting of both the physically visible and the non-expressed alleles?
A: genotype",33,1
"Q: Name the missing type of friction: static, rolling, fluid _____?
A: falling",21,0
"Q: What cage composed of 12 pairs of ribs, with their costal cartilages and the sternum, protects the heart and lungs?
A: thoracic",34,1
"Q: Lactic acid fermentation is common in muscle cells that have run out of what?
A: oxygen",23,1
"Q: What type of cells make up tumors?
A: white blood cells",17,0
"Q: What takes place when water on earth’s surface changes to water vapor?
A: condensation",22,0
"Q: What is the term for when the phenotype of offspring is partly determined by the phenotype of its mother, irrespective of genotype?
A: maternal effect",32,1
"Q: Culprits in the common cold and aids, what infectious agents are far smaller and simpler than bacteria?
A: poisons",27,0
"Q: What is created by the polymerization of glucose?
A: cellulose",16,1
"Q: The articular cartilage is thickest in the upper and back part of the acetabulum, the socket portion of what?
A: hip joint",32,1
"Q: Hormones send what through your body?
A: nutrients",14,0
"Q: What kind of reproduction results in offspring that are generally all genetically different?
A: perceptual",21,0
"Q: At what temperature does solid water melt to a liquid?
A: at temperatures above 0 degrees c",24,1
"Q: Ejaculation occurs when muscle contractions propel sperm from where?
A: epididymes",21,1
"Q: In what season are temperature inversions more common?
A: winter",17,1
"Q: What kind of relationship exists between living things that depend on the same resources?
A: parasitic",22,0
"Q: What is the major source of warmth for earth?
A: the Moon",18,0
"Q: What are the two classifications of natural resources?
A: renewable and reusable",18,0
"Q: Each enhancer is made up of short dna sequences called what?
A: fibrous control elements",21,0
"Q: Why does neptune's appearance change?
A: turbulent atmosphere",17,1
"Q: What happens to the reaction rate over the course of a reaction?
A: reverses",20,0
"Q: What tube carries urine out of the body?
A: urethra",16,1
"Q: What basic units are neither created nor destroyed during a chemical change, but are instead rearranged?
A: particles",25,0
"Q: What do decomposers release back to the environment after they break down the remains and other wastes?
A: simple inorganic molecules",29,1
"Q: What is the name of a group of hereditary diseases that affect the body's ability to control blood clotting?
A: hemophilia",30,1
"Q: What is a disease characterized by high concentrations of glucose in the blood?
A: myeloma",21,0
"Q: What slow process is required for formation of soil?
A: weathering",17,1
"Q: How does air pressure change as altitude increases?
A: goes up and down",19,0
"Q: What type of fertilization do most reptiles have?
A: internal",16,1
"Q: Mutation creates new genetic variation in what?
A: mutation pool",16,0
"Q: What is made up of organisms of the same species that live in the same area?
A: countries",24,0
"Q: What type of response do signal transductions within target cells bring about?
A: physiological",22,1
"Q: Species of organisms that have permanently died out can also be called what?
A: succinct",21,0
"Q: Which cells change the accessibility, transcription, or translation of a gene?
A: eukaryotic",21,1
"Q: Which class of acids acetic acid (ch 3 cooh) belongs to?
A: organic acids",24,1
"Q: Parenchymal, collenchymal, and sclerenchymal cells are associated with what types of living things?
A: plants",28,1
"Q: Four haploid spermatids form during meiosis from what?
A: the primary spermatocyte",21,1
"Q: What color light is actually the absence of electromagnetic waves in the visible spectrum, for humans?
A: black light",26,1
"Q: Alkenes react with what to form dihalides?
A: antioxidants",18,0
"Q: Whisk ferns have yellow sporangia and no what?
A: roots",18,0
"Q: Due to the __________ nature of the lipids that make up cell membranes, polar molecules (such as water) and ions cannot easily diffuse across the cell membrane.
A: hydrophylic",40,0
"Q: What allowed life to expand and diversify during the early cambrian period?
A: hot, dry climate",24,0
"Q: The cell body contains what central structure along with other organelles?
A: neutron",19,0
"Q: Mendelian inheritance has its physical basis in the behavior of what?
A: chromosomes",20,1
"Q: The combined gas law involves three properties of a gas - volume, absolute temperature, and what?
A: power",26,0
"Q: Why do homonuclear diatomic molecules have zero dipole moment?
A: no difference in electronegativity",24,1
"Q: What is it called when two alleles are both expressed in the heterozygous individual?
A: weak dominance",24,0
"Q: Chemical symbols are useful to concisely represent the elements present in a substance. the letters usually come from the name of what?
A: element",32,1
"Q: What is sulfur trioxide dissolved in to form sulfuric acid?
A: water",19,1
"Q: Dominant alleles rarely cause what type of disorders, since the mutant allele is likely to die out of the population?
A: mutations",29,0
"Q: What do craters and rifts become when the fill with water?
A: lakes",20,1
"Q: Norovirus causes the inflammation of the stomach and what else?
A: muscles",20,0
"Q: What do you call the membrane-bounded droplets that have some properties of cells?
A: rods",23,0
"Q: What does the central cell develop into after double fertilization?
A: endocell",19,0
"Q: What branch of science deals with the effects people have on the environment?
A: environmental science",22,1
"Q: What noble gas follows hydrogen on the periodic table?
A: nitrogen",17,0
"Q: What are sores in the lining of the stomach or duodenum that are usually caused by bacterial infections or acidity?
A: lesions",29,0
"Q: What part of the sweet potato store sugar from photosynthesis as starch?
A: roots",20,1
"Q: When the monocilia are defective, what is disrupted?
A: signaling",19,1
"Q: What is required when electrons are removed from an atom, and released from the process when an electron is added?
A: nuclear",29,0
"Q: What term is used to describe large numbers of species that go extinct in a short amount of time?
A: formation extinction",28,0
"Q: The passenger pigeon, the dodo bird, and the woolly mammoth represent individual cases of what fate?
A: extinction",27,1
"Q: What process determines which of two fossils is older or younger than the other?
A: relative dating",23,1
"Q: What occurs when organisms acquire and pass on new traits from one generation to the next generation?
A: evolution",25,1
"Q: The smallest and lightest alcohols (methanol, ethanol, propanol) are completely soluble in?
A: gasoline",27,0
"Q: The laws of what field of science apply to galaxies and atoms, an indication of the underlying unity in the universe?
A: anthropology",30,0
"Q: What does the driving of turbines by the heating of water to steam accomplish?
A: depletion of electricity",24,0
"Q: A disaccharide is a pair of monosaccharides. disaccharides are formed via dehydration synthesis, and the bond linking them is referred to as a glycosidic bond (glyco- = “sugar”). three disaccharides (shown in figure 2.19) are important to humans. these are sucrose, commonly referred to as table sugar; lactose, or milk sugar; and maltose, or this?
A: malt sugar",88,1
"Q: On insects, what are the openings on the sides of the abdomen that allows respiration to occur?
A: gills",26,0
"Q: What kind of reproduction, in general, relies on sets of cells that are precursors for eggs and sperm?
A: sexual",28,1
"Q: What (nh3) is one of the few thermodynamically stable binary compounds of nitrogen with a nonmetal?
A: ammonia",29,1
"Q: A wave is the transfer of energy through what else?
A: matter",18,1
"Q: What appears in autumn when cool air moves over a warm lake?
A: misty fog",21,0
"Q: The differences in the biomes is due to differences in the what factors?
A: abiotic",23,1
"Q: What is the term for evolution over geologic time above the level of the species?
A: mutation",23,0
"Q: Energy from sunlight is absorbed by what pigment in the thylakoid membrane of chloroplasts?
A: tannin",26,0
"Q: What is the touch response in plants called?
A: phototropism",18,0
"Q: What do you call a close relationship between two species that benefits both?
A: commensalism",23,0
"Q: What type of energy is possessed by autumn leaves before they fall?
A: potential energy",21,1
"Q: What can human facial expressions communicate?
A: behaviors",14,0
"Q: What is the largest class of elements?
A: metals",15,1
"Q: Dermal, vascular, and ground tissue make up what part of a plant, which bears the leaves, flowers and fruits?
A: stem",31,1
"Q: What type of protein speeds up chemical reactions in cells?
A: enzyme",18,1
"Q: What will happen to a rock when it's under tremendous stress?
A: it will slow",23,0
"Q: What do you call resources that can be replaced at the rate they are being used?
A: renewable",24,1
"Q: The properties of liquids are intermediate between those of gases and solids but are more similar to?
A: solids",25,1
"Q: How many valves are in the heart?
A: one",15,0
"Q: In which kind of water can less carbon dioxide dissolve?
A: warm water",19,1
"Q: Which part of the reproductive process only contributes one set of chromosomes?
A: sperm",20,1
"Q: The golgi removes some sugar monomers and substitutes others, producing a large variety of what?
A: electrolytes",25,0
"Q: What is the second most common type of cancer in both men and women?
A: lung",22,1
"Q: What is the term for a disease that is not contagious?
A: uncultured disease",22,0
"Q: What is the term for magma that erupts onto earth's surface?
A: debris",22,0
"Q: Bread has little holes in it from carbon dioxide produced by what?
A: yeast",20,1
"Q: The thermal properties of what substance largely contribute to the temperature climate of europe?
A: lava",22,0
"Q: Why do sodium and chloride ions attract each other?
A: sulfides attract",19,0
"Q: What term is used to describe the conditions in the sky on any particular day?
A: weather",23,1
"Q: Where are the two tonsils located?
A: throat",15,1
"Q: What protects a developing flower while it is still a bud?
A: sepals",20,1
"Q: Tropomyosin is a type of what, that winds around the chains of the actin filament and covers the myosin-binding sites to prevent actin from binding to myosin?
A: protein",42,1
"Q: Rainwater absorbs carbon dioxide (co 2 ) as it falls. the co 2 combines with water to form what?
A: carbon monoxide",33,0
"Q: The hepatitis virus attacks only cells of what organ?
A: lungs",17,0
"Q: Red-green colorblindness is an example of what kind of trait?
A: sex-linked",24,1
"Q: As a polycrystalline material solidifies, grains with irregular shapes form. the interfaces between grains constitute grain what?
A: boundaries",29,1
"Q: Solid-state radiation detectors convert ionization produced in a semiconductor (like those found in computer chips) directly into what?
A: electrical signal",31,1
"Q: The magnet field of earth is called what?
A: atmosphere",16,0
"Q: Shark teeth likely evolved from the jagged scales that cover their skin, called what?
A: placoid scales",26,1
"Q: Mammals have four limbs and produce what kind of eggs?
A: amniotic",19,1
"Q: A turbine that spins a generator will produce?
A: solar energy",17,0
"Q: What process allows particles too large to move along the stream bed?
A: saltation",21,1
"Q: The differing glycosidic linkages in starch and cellulose give the two molecules what kind of distinct shapes?
A: three-dimensional",28,1
"Q: A reference point is used in measurement to make what?
A: deviation",18,0
"Q: Because atoms have equal numbers of positive protons and negative electrons, what kind of electric charge do they possess?
A: neutral",28,1
"Q: What substance are physical objects are made of?
A: matter",16,1
"Q: What do ecosystems require constant inputs of?
A: energy",15,1
"Q: The skull is a part of a vertebrate endoskeleton that encloses and protects what organ?
A: brain",25,1
"Q: The mechanical advantage of a machine is related to how it changes what?
A: pressure",21,0
"Q: Some gametophytes develop underground and form mycorrhizal associations with what?
A: fungi",22,1
"Q: How many lobes is each hemisphere of the cerebrum divided into?
A: 4",21,1
"Q: Which layer of the earth is molten?
A: the outer core",17,1
"Q: What organelle contains the genetic material of the cell?
A: nucleus",18,1
"Q: Cilia and flagella are extensions of what?
A: cell nucleus",18,0
"Q: Milk is usually subjected to what process, where high temperatures denature the proteins in bacteria so they cannot carry out functions needed to grow and multiply?
A: pasteurization",37,1
"Q: What has the average global temperature done since the 1900s?
A: risen",23,1
"Q: In a displacement graph, the slope of the line is the average what?
A: velocity",22,1
"Q: Both solids and liquids hold a definite what?
A: volume",16,1
"Q: In the simple cubic system, the atoms or ions are located in which part of the cell?
A: corners",26,1
"Q: Which direction does the sun, moon, and stars appear to travel?
A: south to north",23,0
"Q: What kind of core does mercury have?
A: liquid metal",16,1
"Q: Metabolism is an emergent property of life that arises from orderly interactions between what?
A: tissues",22,0
"Q: What is the touch response in plants called?
A: phototropism",18,0
"Q: What is defined as the mass per unit volume of a substance?
A: density",20,1
"Q: What gland is located at the base of the brain and secretes the hormone melatonin?
A: thymus",25,0
"Q: What are formed by the attraction between oppositely charged ions?
A: ionic bonds",20,1
"Q: Paddles and hammers are examples of simple machines that increase the distance over which force is applied, while reducing what?
A: momentum",31,0
"Q: What is a longitudinal, flexible rod located between the digestive tube and the nerve cord?
A: the notochord",26,1
"Q: Consumers are organisms that depend on other organisms for what?
A: food",18,1
"Q: In a food chain, only about 10 percent of what passes to the next level?
A: mineral",26,0
"Q: The afferent arterioles service about 1.3 million of what in each kidney?
A: dendrites",26,0
"Q: What are the simplest types of carbon-based compounds?
A: hydrocarbons",18,1
"Q: The number of waves that pass a fixed point in a given amount of time is called what?
A: frequency of a wave",29,1
"Q: What is the more common term for ethanoic acid, the active substance in vinegar?
A: acetic acid",25,1
"Q: Which property can you study by comparing the mass of an object relative to its size?
A: volume",24,0
"Q: What describe the fraction or percentage of a mixture that is made up of a particular substance.
A: molecular scale",26,0
"Q: What is produced by the reaction of metal oxide with water?
A: soluble metal hydroxides",23,1
"Q: Traditionally, mammals were divided into groups based on what?
A: their sizes",19,0
"Q: What is the final stage of aerobic respiration?
A: electron production",17,0
"Q: What is a carbon-based compound that is found in living things called?
A: biochemical compound",23,1
"Q: What is formed when different gases are confined to the same container?
A: homogeneous mixture",21,1
"Q: What is the change of state from a gas to a liquid?
A: condensation",20,1
"Q: What makes up most of the inside of a plant?
A: star tissue",19,0
"Q: What is the age-related disorder that causes the gradual loss of bone density and strength?
A: mitosis",25,0
"Q: What is said to occur when both traits appear in a heterozygous offspring?
A: identical twins",23,0
"Q: Which type of energy is the energy of anything in motion?
A: residual engergy",22,0
"Q: Multiple sclerosis, huntington’s disease, and parkinson’s disease all affect what body system?
A: nervous system",29,1
"Q: What do you call a substance that cannot be broken down to other substances by chemical reactions.?
A: a participate",26,0
"Q: Oversecretion of insulin can cause what?
A: hypoglycemia",16,1
"Q: What is the energy of motion called?
A: inertia",15,0
"Q: The pituitary gland is called the “master gland” of what system?
A: endocrine",21,1
"Q: Fossil fuels and nuclear power are what type of resource?
A: nonrenewable",19,1
"Q: Birds possess a cloaca, a structure that allows water to be reabsorbed from waste back into this?
A: intestines",28,0
"Q: What is the method that is a plan for asking questions and testing possible answers called?
A: scientific investigation",25,1
"Q: What do many cells depend on glucose for?
A: energy",16,1
"Q: Who should an obese person with an eating disorder seek for help?
A: psychiatrist",20,0
"Q: What term is used to describe the cellular structures responsible for protein synthesis?
A: ribosomes",22,1
"Q: What is the process of generating electric current with a magnetic field?
A: electromagnetic induction",21,1
"Q: What is the study of structure, properties, and interactions of matter?
A: chemistry",21,1
"Q: A sticky, moist secretion that covers mucous membranes is called what?
A: mucus",20,1
"Q: What do we call forces that act on the system from outside?
A: external",20,1
"Q: Which vertebrae carry the greatest amount of body weight and are thus characterized by the large size and thickness of the vertebral body?
A: lumbar vertebrae",32,1
"Q: Physical science is defined as the study of what?
A: matter & energy",19,1
"Q: What is the star-like structure inside the paramecia?
A: the contractile vacuole",23,1
"Q: What is one thing that can not happen to energy?
A: it cannot stay the same",22,0
"Q: The galápagos islands are a group of 16 volcanic islands 600 miles off the west coast of what continent?
A: south america",35,1
"Q: What shape is each face of a tetrahedron?
A: asymmetric triangle",18,0
"Q: The periodic table is an arrangement of the elements in order of increasing what?
A: atomic numbers",23,1
"Q: What do we call the worldwide radio-navigation system formed from a constellation of 24 satellites and their ground stations?
A: gps",31,1
"Q: Melting, sublimation, and evaporation absorb what from their surroundings?
A: heat",19,1
"Q: With what does cytokinins act in concert to stimulate cell division and influence the pathway of differentiation?
A: dna",27,0
"Q: Like mammals and birds, and unlike other reptiles, crocodiles have how many chambers in their heart?
A: four",26,1
"Q: What according to scientists is the major cause of depression?
A: low serotonin levels",20,1
"Q: What does the gizzard in birds contain that allows them to grind food?
A: acid",22,0
"Q: Mitosis and meiosis are two types of what process, with dramatically different products?
A: cell transition",24,0
"Q: The earliest cells were called what?
A: eukaryotes",15,0
"Q: Some prokaryotes form spores for survival called what?
A: endospores",18,1
"Q: Sickle cell disease is caused by production of an abnormal type of what?
A: hemoglobin",22,1
"Q: Respiration rate correlates with what?
A: energy use",14,1
"Q: What kind of system do echinoderms possess?
A: primitive respiratory",19,0
"Q: Protists, fungi, animals, and plants all consist of what kind of cells?
A: eukaryotic",24,1
"Q: What term is used for the difference in the placement of an object from one time to another?
A: displacement",26,1
"Q: The first consumption of breast milk or formula floods the newborn’s sterile gastrointestinal tract with beneficial what?
A: bacteria",28,1
"Q: What is the complex network of nervous tissue that carries electrical messages throughout the body?
A: nervous system",24,1
"Q: What are the glands that secrete milk in a woman's breasts?
A: mammary glands",22,1
"Q: In which type of cells are most organelles not found?
A: prokaryotic cells",20,1
"Q: Making a specific prediction based on a general principle is known as what type of reasoning?
A: common sense reasoning",26,0
"Q: During what time period did poor air quality become a problem?
A: industrial revolution",20,1
"Q: Any place at which two bones are joined is called a what?
A: articulation",20,1
"Q: Why does the body react to a loss of chloride ions?
A: increased tricarbonate reabsorption",24,0
"Q: What in mammalian lungs, increases the surface area for gas exchange?
A: bronchi",21,0
"Q: What is the condition in which distant objects are seen clearly, but nearby objects appear blurry?
A: farsightedness, or hyperopia",31,1
"Q: What is the common term for single-celled fungi?
A: yeasts",19,1
"Q: Plants not only contribute food but what else for organisms?
A: dioxide",18,0
"Q: What broad category of animals is primarily ectothermic and covered with scales that facilitate swimming?
A: armadillo",26,0
"Q: What must happen for two ions to form an ionic bond?
A: two ions need to have opposite charges",25,1
"Q: What is an odorless white solid that is harmless unless consumed in large quantities?
A: Hydrogen",23,0
"Q: What is another term for ghost sharks?
A: chimaera",17,1
"Q: The outer layer of what anatomical structure is so tough that it keeps out most pathogens?
A: skin",24,1
"Q: Some metals, such as gold and platinum, do not corrode easily because they are very resistant to what?
A: evaporation",29,0
"Q: In recent years, it has been hypothesized that molecules in the environment also act as?
A: pathogens",24,0
"Q: What do we call the formation of a gas from a liquid at temperatures below the boiling point?
A: melting",26,0
"Q: What are generally divided into prosimian and non-prosimian?
A: carnivores",23,0
"Q: What line of latitude is an equal distance from both the north and south poles?
A: divider",23,0
"Q: What does an electric field surround?
A: neutral particles",15,0
"Q: What do we call the formation of a gas from a liquid at temperatures below the boiling point?
A: melting",26,0
"Q: The scientific practice of classifying organisms is also known as what?
A: taxonomy",19,1
"Q: Different forms, or allotropes, of carbon are diamond, graphite, and what?
A: fullerenes",27,1
"Q: Underground rock in a molten state is called?
A: magma",16,1
"Q: What do you call the state in which a plant slows down cellular activities and may shed its leaves?
A: dormancy",28,1
"Q: The planet neptune has strange dark spots that sometimes appear on its surface?  what are these spots?
A: seas",28,0
"Q: Pseudohypertrophic muscular dystrophy is an inherited disorder that causes gradual deterioration of what?
A: nerves",25,0
"Q: How many chambers does the stomach of a crocodile have?
A: two",18,1
"Q: The two adrenal glands are glands located just above the what?
A: intestines",19,0
"Q: What did sir isaac newton's famous law help people understand?
A: gravity",21,1
"Q: Sensory neurons transmit nerve impulses from sense organs and internal organs to the brain via the?
A: spinal cord",25,1
"Q: The phase transition of a substance changing from a liquid state to a gaseous state is an example of what?
A: entropoy",30,1
"Q: What type of prokaryotes live in habitats without oxygen?
A: phosphoric",18,0
"Q: Spirals, spheres, and rods are examples of what distinguishing property of bacteria?
A: shape",23,1
"Q: What type of winds move the same way as mountain and valley breezes?
A: katabatic winds",23,1
"Q: Endotherms are warmed mostly by heat generated by what?
A: movement",19,0
"Q: Kepler's laws relate to the motion of what?
A: continents",18,0
"Q: How many calories of energy does one gram of sugar or starch provide?
A: 4",22,1
"Q: What protective substance covers the skin of most reptiles?
A: scales",17,1
"Q: What is the angiosperm seed surrounded by?
A: uterus",17,0
"Q: What part of the brain is largest in intelligent mammals?
A: cerebrum",19,1
"Q: Evolution occurs because of changes in what over time?
A: alleles",17,1
"Q: Which vertebrae carry the greatest amount of body weight and are thus characterized by the large size and thickness of the vertebral body?
A: lumbar vertebrae",32,1
"Q: What form because water erodes the outside of curves and deposits eroded material on the inside?
A: inlets",25,0
"Q: Modern taxonomy is based on many hypotheses' of the evolutionary history of organisms, known as this?
A: algorithm",26,0
"Q: Where does the small intestine begin?
A: stomach",14,1
"Q: What equals the mass of the object (in kilograms) times the acceleration due to gravity (9.8 m/s 2 )?
A: speed of light",37,0
"Q: The human heart is located within what cavity?
A: pelvic",16,0
"Q: All photosynthetic organisms contain a pigment called what?
A: chlorophyll",16,1
"Q: What is the exchange of energy from one part of the universe to another called?
A: heat",23,1
"Q: Viroids are plant pathogens much simpler than what, but like them can reproduce only within a host cell?
A: pests",28,0
"Q: What is crucial for the fermentation progress in making bread?
A: larvae",18,0
"Q: A man made lake is known as what?
A: Pond",16,0
"Q: The speed of an electromagnetic wave is the product of its wavelength and what else?
A: height",23,0
"Q: What type of energy is stored in the nuclei of atoms?
A: nuclear energy",20,1
"Q: What type of reproduction begins when an egg and sperm combine?
A: natural reproduction",20,0
"Q: What's the name for an atom that has gained or lost an electron?
A: an ion",24,1
"Q: Salt in seawater causes it to have greater what, which is also affected by temperature and pressure?
A: density",26,1
"Q: An electron in an atom is completely described by four of what?
A: photosynthesis numbers",21,0
"Q: Although lots of symbiotic relationships help both organisms, sometimes one of the organisms is harmed. when that happens, the organism that benefits, and is not harmed, is called a what?
A: parasite",43,1
"Q: In what form do plants and animals store sugar for later use?
A: storage polysaccharides",22,1
"Q: Sperm propel themselves through secretions in the uterus and enter what tube?
A: gaseous",20,0
"Q: What population on earth is already harming the environment due to less resources to go around?
A: whales",24,0
"Q: What type of isomers contain the same number of atoms of each kind but differ in which atoms are bonded to one another?
A: structural isomers",32,1
"Q: Scientists search for answers to questions and solutions to problems by using a procedure called this?
A: measured method",25,0
"Q: What does the human heart do?
A: pump blood",15,1
"Q: The chromosomal theory of inheritance proposed that what reside on chromosomes?
A: atoms",19,0
"Q: Lymph vessels are like blood vessels, except they move what instead of blood?
A: lymph",22,1
"Q: Terrestrial ecosystems, also known for their diversity, are grouped into large categories called what?
A: biomes",25,1
"Q: During adulthood, what is needed for the production of sperm?
A: testosterone",19,1
"Q: What is the term for a small organelle where proteins are made?
A: atom",21,0
"Q: All waves are the way energy travels through what?
A: matter",17,1
"Q: The direction of the rotation of hurricanes is influenced by which force?
A: headwind force",22,0
"Q: What broad category of animals is primarily ectothermic and covered with scales that facilitate swimming?
A: armadillo",26,0
"Q: What are located on either side of the pharynx in the throat?
A: wrinkles",20,0
"Q: What is the process of converting atmospheric nitrogen to ammonia called?
A: nitrogen fixation",20,1
"Q: What term is used to describe the line of latitude right in the middle of the planet?
A: Prime Meridian",26,0
"Q: What is the smallest main part of the brain?
A: the stem",18,1
"Q: In the chest, what divides as it enters the lungs to form the right and left bronchi?
A: Aorta",28,0
"Q: What does the central cell develop into after double fertilization?
A: endocell",19,0
"Q: The fertilized egg that sexually reproducing organisms begin life as is known as what?
A: gamete",23,0
"Q: During adolescence, what causes most of the changes associated with puberty?
A: testosterone",20,1
"Q: The tendency of an object to resist a change in its motion is called?
A: gravitation",22,0
"Q: What occurs when force is applied to a moving object?
A: stimulation",18,0
"Q: When a solute dissolves into a solvent what is that called?
A: solubility",19,0
"Q: What does the urea cycle process?
A: calcium",14,0
"Q: Plant cuttings are an example of what type of reproduction?
A: homosexual",18,0
"Q: High consumption of saturated fats is linked to an increased risk of what disease?
A: pulmonary edema",23,0
"Q: What do aquatic arthropods use to exchange gases?
A: gills",17,1
"Q: A period is a horizontal row of the what?
A: periodic table",18,1
"Q: Which two states of matter have definite volumes?
A: solids and liquids",18,1
"Q: The decay rate is measured in a unit called the what?
A: half-life",21,1
"Q: What do we call the amount of time a substance is stored in a reservoir?
A: storage time",24,0
"Q: When wood is burned what kind of energy allows the wood to burn?
A: chemical",21,1
"Q: What is evolution that occurs over a long period of time called?
A: macroevolution",21,1
"Q: What is used to convert concentrations to collisions per second?
A: frequency factor",19,1
"Q: What evolved, adapted response to resource availability is the long-range seasonal movement of animals?
A: changing",25,0
"Q: A binary molecular compound is a molecular compound that is composed of what?
A: two elements",22,1
"Q: A can of warm soda will fizz more because increasing the temperature decreases the what of a gas?
A: solubility",26,1
"Q: What is the name of earth’s only natural satellite?
A: moon",19,1
"Q: The binding of what helps eliminate antigens by phagocytosis and complement-mediated lysis
A: antibodies",22,1
"Q: Bacterial dna is contained in a large, circular strand; this single chromosome is located in a region of the cell called what?
A: the nucleoid",34,1
"Q: What is the name for the stratospheric gas layer that protects living things from uv radiation?
A: ozone layer",26,1
"Q: Protein chains containing 10 or fewer amino acids are usually referred to as what?
A: peptides",24,1
"Q: What bonds form when pairs of electrons are shared?
A: ionized bonds",18,0
"Q: What are the specfic types of proteins that determine your blood type called?
A: antigens",22,1
"Q: What concept can be applied to biology, because the structure of an organism, or part of an organism, depends on its function?
A: form follows function",35,1
"Q: Why do adult herbivores in a herd surround their young?
A: to protect them as they are vulnerable to predators",27,1
"Q: What controls what moves inside and outside the cell?
A: nucleus",17,0
"Q: Inside each lymph node is a honeycomb of connective tissue with spaces filled by what?
A: platelets",23,0
"Q: What term is used to describe a region getting significantly less precipitation than normal for an extended period of time?
A: dog days",29,0
"Q: What are the two different types of vascular tissues called?
A: xylem and phloem",22,1
"Q: What guards the opening between the right atrium and the right ventricle?
A: tricuspid valve",23,1
"Q: Most organisms could not survive without what being present to speed up biochemical reactions?
A: vitamins",22,0
"Q: What type of simple machine is a seesaw an example of?
A: lever",20,1
"Q: Magnetism is due to the movement of what within atoms?
A: electrons",18,1
"Q: The theory of evolution by what (and other processes) explains both the diversity of organisms and how populations of organisms change over time?
A: natural evolution",34,0
"Q: The primary role of leaves is to collect what?
A: sunlight",17,1
"Q: Glass breaking is an example of what type of change that doesn't affect the makeup of matter?
A: physical",27,1
"Q: A life cycle continues through reproduction and what?
A: development",16,1
"Q: What do you call structures like a whale's pelvic bones, which were once attached to legs, or wings that cannot be used for flight?
A: vestigial",37,1
"Q: Hemoglobin is responsible for transporting what within our blood?
A: oxygen",18,1
"Q: What man-made devices in space are used to observe the earth's surface?
A: crystals",24,0
"Q: What is the main function of the cardiovascular system?
A: respiration of air",19,0
"Q: Ocean water releases dissolved carbon dioxide into the atmosphere when what happens to the temperature?
A: Later",23,0
"Q: A form of carbon in which carbon atoms are arranged in a hollow sphere is known as?
A: chondrite",26,0
"Q: Are valence electrons attracted more or less strongly when they are farther from the nucleus?
A: equally",23,0
"Q: What structure of the body falls between cells and organs in complexity?
A: tissues",20,1
"Q: Hardness, density, color, and melting and boiling points are all considered what types of properties?
A: chemical",26,0
"Q: What are angiosperms most important function to humans?
A: food",18,1
"Q: Name the two types of nucleic acids.
A: dna (deoxyribonucleic acid) and rna (ribonucleic acid)",29,1
"Q: What mammalian class has the greatest ability to learn?
A: apes",17,0
"Q: Besides the endocrine system, what other system exerts control over all the organ systems of the body?
A: circulatory system",27,0
"Q: What is the largest artery in the body called?
A: aorta",17,1
"Q: Elements are pure substances that make up what?
A: some matter",17,0
"Q: What is the condition called where pimples form on the skin?
A: acne",19,1
"Q: What determines the color of visible light?
A: exact wavelength",16,1
"Q: The vitamins and minerals contained in all of the food we consume are important for all of our organ systems. however, there are certain nutrients that affect this?
A: mental health",39,0
"Q: Because core electrons are closer to the nucleus, they are not involved in what?
A: bonding",23,1
"Q: What type of numerical figure is important in considering the precision and accuracy of a number?
A: component",24,0
"Q: Radon (rn) is a radioactive gas formed by the decay of naturally occurring uranium in rocks such as granite. it tends to collect in the basements of houses and poses a significant health risk if present in indoor air. many states now require that houses be tested for radon before they are what?
A: sold",66,1
"Q: Physical properties are characteristics that describe what as it exists?
A: imagination",18,0
"Q: What type of energy is produced when two objects move together?
A: potential energy",20,0
"Q: What gland is located at the base of the brain and secretes the hormone melatonin?
A: thymus",25,0
"Q: Where in the periodic table of elements are the nonmetals located?
A: top left",21,0
"Q: What type of light can mosquitoes see?
A: trichina",16,0
"Q: What are butterflies and bees an example of?
A: pollinators",17,1
"Q: What field of science seeks to explain how traits are passed on from one generation to the next?
A: genetics",26,1
"Q: What are lipopolysaccharide components of the outer membrane of gram-negative bacteria?
A: hormones",24,0
"Q: Integral proteins penetrate the hydrophobic interior of the what?
A: lipid bilayer",19,1
"Q: The force on a charged particle in a magnetic field is always perpendicular to both its velocity vector and the?
A: position vector",29,0
"Q: Like a house, your body has what kind of mechanism that responds to changes in temperature?
A: external thermostat",26,0
"Q: The distance between the crests of electromagnetic waves is called what?
A: trough",19,0
"Q: What causes a small scrap of paper placed on top of the water droplet to float , although the object is denser (heavier) than the water?
A: surface tension",38,1
"Q: Conducting wires have a small degree of what?
A: magnetism",16,0
"Q: Because these components of the endocrine system are transported via blood, they get diluted and are present in low concentrations when they act on their target cells.
A: enzymes",36,0
"Q: What is the name of the cloud where most long-period comets come from?
A: stellar cloud",24,0
"Q: What is another name for a radioactive isotope?
A: nono particle",18,0
"Q: What do you call the fixed point of a lever?
A: fulcrum",19,1
"Q: What is the name of an extreme form of radiation fog?
A: tule fog",20,1
"Q: Where is chemical energy stored?
A: ribosomes",14,0
"Q: What are the smallest type of blood vessels?
A: viens",16,0
"Q: In a displacement graph, the slope of the line is the average what?
A: velocity",22,1
"Q: What are the lines of force in the electric field around a charged particle called?
A: field lines",24,1
"Q: What type of disease is muscular dystrophy?
A: a wasting disease",18,1
"Q: The vegetal pole refers to the concentration of what toward one pole of an egg?
A: yolk",23,1
"Q: What is the place called where the axon of one neuron meets the dendrite of another?
A: uptake",25,0
"Q: Evolving from a single common ancestor, what group of organisms was perhaps the dominant life form on earth 250 million years ago?
A: fungi",35,1
"Q: Which factor has a big impact on coastal climates?
A: ocean waves",18,0
"Q: During summer in the northern hemisphere, the north pole is tilted toward what?
A: sun",22,1
"Q: The force that pulls objects toward the earth is what?
A: gravity",18,1
"Q: When atomic orbitals hybridize, the valence electrons occupy these?
A: newly created orbitals",21,1
"Q: What type of proteins bind to foreign substances and attempt destruction?
A: membranes",19,0
"Q: Flatworms reproduce sexually. in most species, the same individuals produce both what?
A: gametes",24,0
"Q: What is formed when atoms of different elements combine in a chemical reaction?
A: crystals",21,0
"Q: What is the term for when two opposing processes reach the same speed, resulting in no overall change?
A: neutralization",27,0
"Q: A cartilaginous joint where the bones are joined by fibrocartilage is called a what?
A: symphysis",26,1
"Q: What is the name for an underground layer of rock that is saturated with groundwater?
A: aquifer",23,1
"Q: Volcano chains form as an oceanic plate moves over what?
A: dust spot",19,0
"Q: During the early paleozoic, the amount of carbon dioxide in the atmosphere compared to today was?
A: much greater",27,1
"Q: What is found in abundance in the polar ice caps and under the surface of mars?
A: water",24,1
"Q: Lipids are organic compounds that consist of carbon, hydrogen, and?
A: oxygen",21,1
"Q: During interphase of what process, each chromosome is duplicated, and the sister chromatids formed during synthesis are held together at the centromere region by cohesin proteins?
A: mitosis",42,0
"Q: What is the process by which almost all plants make food?
A: photosynthesis",19,1
"Q: What is the lowest level of organization that can perform all activities required for life?
A: organs",23,0
"Q: What does an ammeter measure the flow of?
A: water under pressure",19,0
"Q: Compounds like sodium chloride form structures called what?
A: ions",16,0
"Q: The cytoplasm is all the contents of the cell inside the cell membrane, with the exception of what?
A: nucleus",27,1
"Q: What is the raw material for evolution by natural selection called?
A: genetic variation",20,1
"Q: Friction causes the molecules on rubbing surfaces to move faster, which produces what?
A: heat",22,1
"Q: Magnetic resonance imaging devices use what to cool the superconducting magnets?
A: antifreeze",20,0
"Q: What occurs in a population when its allele frequencies change over time?
A: evolution",20,1
"Q: What form does water take on the planet mars?
A: plasma",17,0
"Q: What can echinoderms sense with their simple eyes?
A: colors",19,0
"Q: Gymnosperms have seeds but do not have what?
A: leaves",18,0
"Q: Three-prong plugs, circuit breakers, and gfci outlets are safety features that recognize the danger of what?
A: heat",29,0
"Q: Transform faults are the site of massive what?
A: earthquakes",16,1
"Q: What is the term for proportion of amount of product actually produced in a chemical reaction versus predicted amount ?
A: percent yield",28,1
"Q: What happens when when the immune system does not work properly?
A: immunodeficiency",20,1
"Q: What is the time interval required for one complete wave to pass a point called?
A: cycle",23,0
"Q: Hormones, ions, and neurotransmitters are all types of what?
A: nutrients",20,0
"Q: The measure of a substances entropy at 25 degrees celsius is known as it's?
A: specific entropy",27,0
"Q: What term describes a drug that has an effect on the central nervous system?
A: nonaddictive drug",26,0
"Q: Storm surge is very high water located in the low pressure eye of what?
A: hurricanes",22,1
"Q: What fibres are seen in some vertebrates that twitch at rates far faster than any human muscle?
A: skeletal muscle fibers",27,1
"Q: At any specific time, the rate at which a reaction is proceeding is known as its what?
A: instantaneous rate",27,1
"Q: What is the medical process of removing wastes and excess water from the blood by diffusion and ultrafiltration called?
A: tumors",28,0
"Q: Which systems work together to provide cells with the oxygen they need for cellular respiration?
A: respiratory and circulatory systems",26,1
"Q: Sight, hearing, balance, taste, smell, and touch are types of what?
A: senses",24,1
"Q: The leaf chameleon (brookesia micra) was discovered in northern madagascar in 2012. at just over one inch long, it is what?
A: smallest known chameleon",42,1
"Q: What are the chemical formulas for covalent compounds referred to as?
A: nucleus formulas",20,0
"Q: When methane burns, what is produced along with carbon dioxide?
A: water",19,1
"Q: What can be used to accelerate the rate at which chemical reactions occur?
A: enzymes",21,1
"Q: What chromosome determines the sex of an organism?
A: ribosome",17,0
"Q: What is used to classify tornadoes?
A: wind speed, damage",17,1
"Q: Which group of species is defined as having moist skin without scales?
A: fish",20,0
"Q: What would cause warm receptors to signal the hypothalamic thermostat?
A: increased temperature",20,1
"Q: What happens to neutral matter when electrons are transferred between objects?
A: osmosis",19,0
"Q: What is the amount of time a molecule stays in a reservoir known as?
A: residence time",23,1
"Q: By what process does the haploid gametophyte produce the gametes?
A: mitosis",23,1
"Q: Atomic orbitals from different atoms overlap to form what?
A: molecular orbitals",18,1
"Q: Often determining the strength or intensity of a wave, this term is the distance from the equilibrium point of motion to either its lowest or highest point?
A: amplitude",36,1
"Q: Trichomoniasis is cause by what type of pathogen?
A: virus",19,0
"Q: A major source of primary pollutants is the burning of oil and coal, which are types of what?
A: erosion fuels",28,0
"Q: What describes how close an estimate is to a known standard?
A: accuracy",19,1
"Q: An acellular, external cuticle protects the _________.
A: epidermis",17,1
"Q: Ordinary table salt is called what?
A: sodium chloride",15,1
"Q: The location of an object in a frame of reference is called what?
A: fact",21,0
"Q: What is the exchange of plasmids by prokaryotes called?
A: biochemical transfer",19,0
"Q: Adult tunicates also develop a sac, called a what?
A: tunic",19,1
"Q: Our bodies use what, primarily in the form of glucose, for our immediate energy needs - although they are not as energy dense or capable of long-term storage as lipids?
A: carbohydrates",42,1
"Q: What type of hydrocarbon is coal?
A: mineral",14,0
"Q: A flower's colors come from what part of the plant?
A: glycogen",20,0
"Q: Digestive enzymes, including which enzyme, start breaking down starches into sugars?
A: amylase",23,1
"Q: What does the driving of turbines by the heating of water to steam accomplish?
A: depletion of electricity",24,0
"Q: Moving electrons have a form of kinetic energy called what?
A: electrical energy",19,1
"Q: Capillaries are narrow-diameter tubes that can fit red blood cells through in single file and are the sites for the exchange of what?
A: nutrients",34,1
"Q: In a photosystem, pigments in the light-harvesting complex pass light energy to two special molecules of what in the reaction center?
A: calcium",34,0
"Q: What type of molecules are found in the hydration shell of a dissolved ion?
A: iron",22,0
"Q: What type of x-linked trait is color blindness?
A: recessive",18,1
"Q: What helps to propel sponge larvae through the water?
A: cilia",17,1
"Q: What gas is contributing to the greenhouse effect?
A: carbon dioxide",17,1
"Q: What causes high winds and monsoon storms in the desert?
A: moderate spring temperature",20,0
"Q: How many fingers do apes have on each hand?
A: seven",17,0
"Q: Ejaculation occurs when muscle contractions propel sperm from where?
A: epididymes",21,1
"Q: What substance is removed from waste as it passes through the large intestine?
A: water",21,1
"Q: What is a primary source of the hormone melatonin?
A: pineal gland",19,1
"Q: Labor is the muscular contractions to expel the fetus and placenta from where?
A: lungs",21,0
"Q: Where is the pressure of gases in the atmosphere at its greatest?
A: sea level",21,1
"Q: What color and shape are cumulus clouds?
A: white and puffy",18,1
"Q: What type of digestion is chewing an example of?
A: electromagnetic",17,0
"Q: Acids are the opposites of what?
A: water",14,0
"Q: Thrombocytes are more commonly known by what name?
A: platelets",18,1
"Q: At certain times of year, a stream or river may overflow its banks. what is the area of land that is flooded called?
A: inlet",33,0
"Q: What organ is the hypothalamus a part of?
A: Nervous system",17,0
"Q: What begins approximately six weeks after fertilization in an embryo?
A: ossification",19,1
"Q: What term describes a way that small molecules or ions move across the cell membrane without input of energy by the cell?
A: physical transport",31,0
"Q: What is the process where scientific articles are checked and analyzed by other scientists before publication?
A: mechanism review",25,0
"Q: Which body system controls all the others by sending electrical messages?
A: the localized system",21,0
"Q: What is calculated by adding together the atomic masses of the elements in the substance, each multiplied by its subscript (written or implied) in the molecular formula?
A: mass effect",39,0
"Q: What is the measure of sound intensity levels?
A: octaves",16,0
"Q: Minerals form when they precipitate from hot fluids that have done what?
A: heated up",21,0
"Q: What do you call the symbiotic relationship where a parasite benefits while the host is harmed?
A: hostism",25,0
"Q: Where do most amphibians live, salt water or fresh water?
A: fresh water",20,1
"Q: Temperature and what other environmental factor are important in the activity of an enzyme?
A: size",22,0
"Q: Phylum chordata consists of two subphyla of invertebrates, as well as the hagfishes and what else?
A: lipids",30,0
"Q: Where do cells come from?
A: preexisting cells",14,1
"Q: What substances, which are distinct from acids and bases, form when ions form ionic bonds?
A: oils",25,0
"Q: What is an animal that picks up pollen on its body and carries it to another flower called?
A: fungi",26,0
"Q: What must be overcome to change the motion of an object?
A: pressure",19,0
"Q: Which kind of irrigation uses much less water than other methods?
A: constant",19,0
"Q: What type of disorders are caused by mutations in genes or abnormal numbers of chromosomes?
A: genetic disorders",24,1
"Q: Algae are like plants mainly because they contain what?
A: chloroplasts",18,1
"Q: Which is one of the most complicated parts of gene regulation in eukaryotic cells?
A: middle of transcription",24,0
"Q: How do some animals change their depth?
A: mass migration",16,0
"Q: Animal cells grow mainly by synthesizing protein-rich cytoplasm, a process that is described as expensive in what way?
A: calorically",31,0
"Q: An organism's unique role in the ecosystem is called its what?
A: focus",21,0
"Q: What is the final product of the calvin cycle?
A: glucose",17,1
"Q: The most common two-lens telescope, like the simple microscope, uses lenses of what shape?
A: concave",26,0
"Q: The structures of both trifluoramine and hydroxylamine are similar to that of what?
A: hydrogen",24,0
"Q: What are the lipids containing phosphorus?
A: eukaryotes",15,0
"Q: What is formed when humid air near the ground cools below its dew point?
A: fog",22,1
"Q: What do you call a predator species that affects other species' populations when its own population size changes?
A: paradox species",28,0
"Q: While light travels at different speeds in different kinds of matter, the speed of light is constant in what condition?
A: outer space",30,0
"Q: What is considered to be a unique feature of echinoderms?
A: water vascular system",23,1
"Q: What category of elements are chacterized by their ability to reflect light, called luster, their high electrical and thermal conductivity, their high heat capacity, and their malleability and ductility?
A: metals",45,1
"Q: What kind of potentially harmful compounds can barbecuing food create?
A: carcinogens",21,1
"Q: The lack of annihilation radiation coming to us from space proves that the universe is dominated by what?
A: vacuum",26,0
"Q: Which type of natural disturbance in temperate grasslands, can be caused by a lightning strike?
A: drought",24,0
"Q: In sexually reproducing organisms, parents pass a copy of each type of what to their offspring by producing gametes?
A: molecule",29,0
"Q: What do you call the fast-moving air currents high in the troposphere?
A: stationary fronts",24,0
"Q: What type of force allows non-polar molecules to interact?
A: experienced dispersion",20,0
"Q: What bodily defense can be acquired in an active or passive way, and can be natural or artificial?
A: immunity",27,1
"Q: Bronchial tubes in the lungs branch into ever-smaller structures, finally ending in alveoli. the alveoli act like what?
A: tiny bubbles",34,1
"Q: Which highly valuable substance found in jewelry has a density of about 19 g/cm^3?
A: gold",28,1
"Q: What lies between the continental shelf and the abyssal plain?
A: successive slope",20,0
"Q: Gas particles are constantly colliding with each other and the walls of a container, and these collisions are elastic, so there is no net loss of what?
A: velocity",37,0
"Q: What do contour lines that are close together indicate?
A: steep slope",18,1
"Q: Ingestive protists extend their cell wall and cell membrane around the food item, forming a what?
A: food pocket",28,0
"Q: Calcium hydroxide and calcium carbonate are effective in neutralizing the effects of what on lakes?
A: oil rain",24,0
"Q: What are the three main types of rocks?
A: sedimentary, igneous and metamorphic",20,1
"Q: This process breaks rocks and other surface materials into much smaller pieces?
A: corrosion",20,0
"Q: The presence of solute particles blocks some of the ability for liquid particles to do what?
A: evaporate",24,1
"Q: Unlike pure substances, mixtures have a what?
A: efficient composition",17,0
"Q: Which human body system is a complex network of nervous tissue that carries electrical messages throughout the body?
A: the nervous system",28,1
"Q: Which therapy uses viruses to genetically modify diseased cells and tissues?
A: chemotherapy",19,0
"Q: What is formed when sperm mixes with secretions from the various other glands of the reproductive system?
A: semen",25,1
"Q: The energy a chemical reaction needs to get started is called what kind of energy?
A: function",23,0
"Q: What process of allows multicellular organisms to grow and repair themselves?
A: proteins division",21,0
"Q: What important process takes place in specialized tissue inside plant leaves?
A: photosynthesis",19,1
"Q: How do you calculate the atomic mass of an element?
A: add neutrons and electrons",21,0
"Q: Pauropods, presumed relatives of millipedes usually found in soil, leaf litter and other moist places, live on all continents except what?
A: antarctica",35,1
"Q: What are vesicles made of?
A: phospholipids",14,1
"Q: The release of mature eggs that occurs at the midpoint of each cycle is called?
A: fertilization",23,0
"Q: Chemical equations need to be balanced to satisfy the law of what?
A: material of matter",22,0
"Q: What is said about the speed of rotation in systems that create tornadoes?
A: it is slow",23,1
"Q: How many quarks are in each proton and neutron?
A: three",17,1
"Q: What is the medical term for a condition caused by abnormalities, such as mutations, in your genes or chromosomes?
A: genetic disorder",30,1
"Q: Sugar and starch are examples of what type of nutrient?
A: proteins",18,0
"Q: Deposition also occurs when a stream or river empties into a large body of what?
A: even water",25,0
"Q: Within the petals are two whorls of fertile floral organs that produce what?
A: leaves",22,0
"Q: What are the long, thin structures that protrude from the cell membrane and help single-celled organisms move or swim towards food?
A: microvilli",35,0
"Q: What are substances that cannot be broken down into simpler substances with different properties called?
A: elements",23,1
"Q: A crucial function of the cranial nerves is to keep visual stimuli centered on the fovea of what eye structure?
A: iris",29,0
"Q: Protists which use their tails to eat are called what?
A: filter-feeders",22,1
"Q: Ionic bonds are electrostatic attractions between two oppositely charged what?
A: molecules",19,0
"Q: What molecule consists of two atoms of hydrogen and one atom of oxygen?
A: water",21,1
"Q: What measurement of the wave is used to determine the magnitude of an earthquake?
A: height",22,1
"Q: What orifice in the body is particularly helpful in both digestion and respiration?
A: mouth",21,1
"Q: What kind of reaction is needed to prepare amides?
A: carboxylic acid reaction",20,1
"Q: In birds, modified front legs are actually what?
A: wings",17,1
"Q: What is the term for stored energy that an object has due to its position or shape?
A: potential energy",26,1
"Q: In glycolysis, glucose is split into two molecules of pyruvate. this results in a net gain of?
A: four atp molecules",31,0
"Q: What encloses the genetic material of the virus?
A: the capsid",19,1
"Q: The chemical used by the ants to weed their garden turns out to be what kind?
A: sulfide acid",25,0
"Q: What type of treatment is necessary for anaphylaxis?
A: outpatient",17,0
"Q: Where do all cells come from?
A: pre-existing cells",17,1
"Q: What process is the opposite of fusion and releases energy only when heavy nuclei are split?
A: fission",24,1
"Q: What type of prokaryotes live in habitats without oxygen?
A: phosphoric",18,0
"Q: What is the primary component of steel alloys?
A: carbon",16,0
"Q: Ocean ridges formed by marine invertebrates living in warm shallow waters within the photic zone of the ocean are called what?
A: lagoon",30,0
"Q: What type of stratified deposit is formed where lakes are covered by ice in the winter?
A: varves",25,1
"Q: What do you call any substance that opposes coagulation?
A: dissolvent",18,0
"Q: Sublimation and deposition involve direct transitions between solid and gas without going through which state?
A: chemical",24,0
"Q: In humans, there are five primary tastes, and each taste has only one corresponding type of what?
A: receptor",27,1
"Q: What stages in the life of a cell does the cell cycle include?
A: all",21,1
"Q: What protects reptiles from drying out?
A: sweat",14,0
"Q: Which continent is covered with an ice cap?
A: antarctica",17,1
"Q: Yogurt is made from milk fermented with what type of organism?
A: viruses",19,0
"Q: Convex lenses are thicker in the middle than at the edges so they cause rays of light to converge, or meet, at a point called what?
A: focus",36,1
"Q: Water in its solid state is commonly known as what?
A: ice",18,1
"Q: How many pairs of upper jaws do insects have?
A: four pairs",18,0
"Q: What do we call the region on the lung root formed by the entrance of the nerves at the hilum?
A: renal plexus",30,0
"Q: What do you call the two ends of a magnet where the magnetic effect is strongest?
A: poles",24,1
"Q: What process does not cause a rock to melt completely, instead causing the minerals to change by heat or pressure?
A: metamorphism",30,1
"Q: What phenomenon is crowding out other species and making all the other causes of extinction worse?
A: human overpopulation",26,1
"Q: A catalytic converter filters pollutants in exhaust created by burning what before releasing it into the air?
A: fossil fuels",26,1
"Q: What structure connects the pharynx to the trachea?
A: larynx",16,1
"Q: If everything else stays the same in a system with a gas in it, and the gas gets warmer, what will happen to its pressure, generally?
A: it increases",38,1
"Q: What occurs when water lost by transpiration is not replaced by absorbtion from room?
A: rotting",23,0
"Q: What is above each leaf scar?
A: chambered pitch",16,0
"Q: Polar molecules result from differences in electronegativity of what in the molecule?
A: atoms",22,1
"Q: A plant that forms special tissues for storing water in an arid climate is an example of the plant evolving what?
A: adaptations",29,1
"Q: What are complex organic molecules that make up cells?
A: proteins",17,1
"Q: The process in which a sperm unites with an egg is called?
A: absorption",20,0
"Q: What do people build to protect areas from floods?
A: dams",17,1
"Q: What two layers is the skin made of?
A: epidermis and dermis",19,1
"Q: What are materials that eject electrons when illuminated with light called?
A: photoemissive",21,1
"Q: Hair and nails are made of what?
A: chromatin",15,0
"Q: What is to blame for water’s boiling point (100°c) being higher than the boiling points of similar substances?
A: hydrogen bonds",35,1
"Q: Water molecules move about continuously due to what type of energy?
A: seismic",19,0
"Q: Plant-like protists are called what?
A: algae",16,1
"Q: Two important types of waves include longitudinal waves and what other kind?
A: transverse",20,1
"Q: The general term peptide refers to an amino acid chain of what?
A: large length",21,0
"Q: What is the only metal that is a liquid at room temperature?
A: copper",20,0
"Q: The validity of thought experiments, of course, is determined by this?
A: actual observation",22,1
"Q: Yolk is a very fragile substance found in the eggs of reptiles and needs protection.  what serves as protection for the yolk?
A: yolk sac",34,1
"Q: Because they can cause diseases in plants, some parasitic fungi are considered what?
A: pathogenic",22,1
"Q: What type of orbit do the planets make in the solar system?
A: vertical",20,0
"Q: Living things that feed on others are generally known as what?
A: consumers",19,1
"Q: What kind of lakes form when volcanic eruptions create massive holes that fill with water?
A: crater lakes",24,1
"Q: When bacteria are destroyed by leukocytes, what are released into the blood?
A: pyrogens",23,1
"Q: The boiling point of a solution is higher than the boiling point of the pure solvent, but the opposite occurs with this?
A: freezing point",32,1
"Q: Researchers have long based their hypotheses about animal phylogeny on what?
A: morphological data",20,1
"Q: Because it can be controlled intentionally, skeletal muscle is also called what type of muscle?
A: voluntary",24,1
"Q: What carry messages from our sensory organs and others to the central nervous system?
A: fibers",22,0
"Q: Hormones often regulate what through antagonistic functions?
A: homeostasis",15,1
"Q: What is the amide bond that occurs between the amino nitrogen of one amino acid and the carboxyl carbon of another amino acid?
A: a covalent bond",34,0
"Q: What do you call any process in which excess water or wastes are removed from the body?
A: excretion",25,1
"Q: What branch of physics deals with the smallest units of elements and compounds?
A: atomic",21,1
"Q: Which form of digestion is a purely physical process that does not change the chemical nature of the food?
A: slow",27,0
"Q: What type of animal that eats only or mainly insects?
A: heterotrophic",19,1
"Q: Amino acids are made by which kind of plastid?
A: neuroplasts",19,0
"Q: What kind of solution might cause animal cells to burst?
A: hypotonic",19,1
"Q: During strenuous exercise our muscles perform what kind of fermentation?
A: nitric acid",19,0
"Q: What is the body of a roundworm covered with?
A: thick scales",19,0
"Q: How do prokaryotic organisms reproduce asexually?
A: binary fission",18,1
"Q: Volume is another way of measuring what?
A: length",15,0
"Q: Chlorine is a nonmetal and gains one electron in becoming a what?
A: anion",21,1
"Q: Which part of the body shows does horner's syndrome affect?
A: the nose",22,0
"Q: What determines the ability of soil particles to bind many nutrients?
A: surface pulses",20,0
"Q: Both endocytosis and ______ are active transport processes.
A: biosynthesis",17,0
"Q: Which of newton's law shows that there is a direct relationship between force and acceleration?
A: second",25,1
"Q: What type of light can mosquitoes see?
A: trichina",16,0
"Q: What occurs when force is applied to a moving object?
A: stimulation",18,0
"Q: What type of masses are structureless particles that cannot spin?
A: point masses",20,1
"Q: What is the name of the organelle that helps make and transport proteins and lipids?
A: endoplasmic reticulum",26,1
"Q: What is the main greenhouse gas causing global warming?
A: nitrogen",17,0
"Q: What are reactions that can occur only in one direction called?
A: permanent",19,0
"Q: Each line in a structural formula represents a pair of shared what?
A: electrons",20,1
"Q: Ash that enters the air naturally as a result of a volcano eruption is classified as what kind of pollutant?
A: primary pollutant",29,1
"Q: What is the mass of one mole of any given substance?
A: molar mass",20,1
"Q: Fractures, rickets, and osteoarthritis all affect what part(s) of the body?
A: bones",26,1
"Q: Aflatoxins are toxic, carcinogenic compounds released by fungi of this?
A: genus aspergillus",24,1
"Q: Gasoline is derived from which other liquid?
A: liquid propane",16,0
"Q: The vertebrate endoskeleton includes a vertebral column, cranium, limbs, and what else?
A: limb girdles",27,1
"Q: Embryos usually don't survive if they have extra or too few of these genetic units?
A: chromosomes",26,1
"Q: What are lipids' function in relation to nerves?
A: transportation",17,0
"Q: Norovirus causes the inflammation of the stomach and what else?
A: muscles",20,0
"Q: What allows for a large and mature fetus before birth,  resulting from a long period of fetal growth in the uterus?
A: the placenta",32,1
"Q: When do homologous chromosomes separate and go to different gametes?
A: during meiosis",20,1
"Q: What are the nonliving parts of ecosystems like soil and air called?
A: abiotic factors",23,1
"Q: Mutualism is a symbiotic relationship in which both species do what?
A: benefit",20,1
"Q: What changes encoded waves which are being broadcast into sounds?
A: radio receivers",19,1
"Q: Cells in a biofilm secrete what to recruit nearby cells?
A: signaling proteins",19,0
"Q: What is defined as the change of water from its liquid phase to its gaseous phase?
A: absorption",24,0
"Q: What type of climates are found around the equator?
A: tropical",17,1
"Q: What type of energy travels in waves across space as well as through matter?
A: electromagnetic radiation",23,1
"Q: Animals produce most of what chemicals, which are needed to synthesize the fatty acids they need?
A: enzymes",25,1
"Q: What visual property of soil indicates fertility and nitrogen content?
A: color",18,1
"Q: Due to the __________ nature of the lipids that make up cell membranes, polar molecules (such as water) and ions cannot easily diffuse across the cell membrane.
A: hydrophylic",40,0
"Q: Through which process do behaviors that improve fitness increase?
A: natural selection",18,1
"Q: Compounds that contain mainly the elements carbon and hydrogen are called what kind of compounds?
A: organic compounds",24,1
"Q: What is the si unit for electric current?
A: ampere",16,1
"Q: Olfactory, optic, and vestibulocochlear nerves are related to what type of function?
A: pulmonary",27,0
"Q: Organisms cannot live alone, needing other organisms to survive; what is this relationship called?
A: interdependence",24,1
"Q: Ectotherms undergo a variety of changes at the cellular level to acclimatize to shifts in what?
A: precipitation",29,0
"Q: The appendicular skeleton is made up of all bones of the upper and lower what?
A: organs",24,0
"Q: An example of irreversible denaturation of what substance occurs to the liquid albumin when an egg is fried?
A: protein",27,1
"Q: Hormones produced by what gland in the neck increase the rate of metabolism in cells throughout the body?
A: pituitary",26,0
"Q: Sudden changes in geologic and climatic conditions can spur what process?
A: generation",19,0
"Q: Iridescent green beetles, known as jewel beetles, change color because of the light-reflecting properties of the cells that make up this?
A: their hairs",36,0
"Q: Bivalvia and gastropoda are classes of what phylum?
A: Insects",20,0
"Q: What natural destructive element cuts away at rock forming river valleys?
A: sediment",19,0
"Q: Birds have air sacs that store inhaled air and push it into their what?
A: lungs",22,1
"Q: What are unique in having adaptive immunity in addition to innate immunity?
A: invertebrates",20,0
"Q: Where are about 75% of the tar sands in the world located?
A: china and onatrio, canada",29,0
"Q: Terrestrial biomes are classified by the climate and their what?
A: habitat",19,0
"Q: Through what form of energy transfer does the sun's energy travel?
A: solar burst",22,0
"Q: What are hydrocarbons with double bonds called?
A: aldehydes",16,0
"Q: What cannot be created or destroyed in a chemical reaction?
A: matter",18,1
"Q: The leaf chameleon (brookesia micra) was discovered in northern madagascar in 2012. at just over one inch long, it is what?
A: smallest known chameleon",42,1
"Q: When dissolved in water, what do strong acids transfer to the solvent completely?
A: acidic protons",23,1
"Q: What is the layer above the troposphere?
A: thermosphere",17,0
"Q: The type of eruption a volcano has depends on the type of what in its chamber?
A: funnel",24,0
"Q: Systems are in thermal equilibrium when they have the same of what measurement?
A: temperature",21,1
"Q: The two members of a given pair of chromosomes are called what?
A: tissue chromosomes",21,0
"Q: What is the key to the demographic transition?
A: reduced family size",18,1
"Q: Many countries have attempted to reduce the human impact on climate change by reducing their emission of what greenhouse gas?
A: methane",28,0
"Q: Synthetic and natural rubber, styrofoam and plastic are examples of organic what?
A: solutions",22,0
"Q: Where does the energy from an atomic bomb come from?
A: nucleus of atom",20,1
"Q: What is a segment of dna that carries a code for making a specific polypeptide chain called?
A: a gene",26,1
"Q: What is the measure of the amount of space occupied by an object?
A: volume",21,1
"Q: If a ball is released from rest when air resistance is negligible, velocity is seen to increase linearly, while what related property is a constant?
A: time",35,0
"Q: How do we describe chemical reactions?
A: balanced reactions",15,0
"Q: What are the only innate behaviors in humans?
A: learned behaviors",17,0
"Q: What kind of reproduction produces genetically identical organisms or clones?
A: Prophase I",20,0
"Q: Which scientist was responsible for the theory of evolution by natural selection?
A: charles darwin",22,1
"Q: In a single-celled organism such as chlamydomonas, there is no what after fertilization?
A: mitosis",27,1
"Q: The primary site of carbohydrate digestion is in the?
A: small intestine",18,1
"Q: What type of logic can lead to important conclusions from the collecting and analyzing of observations?
A: gravitational reasoning",25,0
"Q: Cilia and flagella are extensions of what?
A: cell nucleus",18,0
"Q: Interstitial carbides are produced by the reaction of most transition metals at high temperatures with what element?
A: hydrogen",27,0
"Q: Which muscles allow your fingers to also make precise movements for actions?
A: intrinsic muscles",21,1
"Q: In the chest, the trachea divides as it enters the lungs to form the right and left what?
A: bronchi",28,1
"Q: What are the specfic types of proteins that determine your blood type called?
A: antigens",22,1
"Q: The shape of the path of an object undergoing projectile motion in two dimensions is a what?
A: parabola",25,1
"Q: What are lipids that contain phosphorus called?
A: amino acids",16,0
"Q: The sum of the superscripts in an electron configuration is equal to the number of electrons in that atom, which is in turn equal to what number?
A: atomic number",38,1
"Q: Which type of diabetes involves the pancreas not secreting enough insulin, which causes high levels of glucose in the blood?
A: type 1",32,1
"Q: Video and audio signals are broadcast on these?
A: electromagnetic waves",17,1
"Q: Athletes such as swimmers and bicyclists wear body suits in competition to minimize what forces?
A: natural forces",26,0
"Q: What do you call the metal elements listed below the periodic table?
A: transition metals",21,1
"Q: Scientists ask questions, and then make detailed observations to try to ask more specific questions, in order to develop what?
A: hypothesis",30,1
"Q: If a machine only changes the direction of a force without changing the ratio of the output/input forces, then what is its associated mechanical advantage?
A: 1",37,1
"Q: One seismogram indicates the distance to the what?
A: researchers",17,0
"Q: The same reaction regenerates pyruvate, which is transported to which cells?
A: mesophyll",22,1
"Q: Organisms that obtain food from outside themselves (i.e. they don't make their own food) are known as what?
A: autotrophs",35,0
"Q: What occurs when two wave crests overlap?
A: constructive interference",16,1
"Q: What processes allow for the greatest range of rotation within the vertebral column and facilitate the movement of the head?
A: articular",28,1
"Q: What are the two types of optical telescopes?
A: reflecting and recapitulating",19,0
"Q: Heat, electricity, or light might provide what necessary input to the process of decomposition?
A: source",24,0
"Q: What factors determine the effect of a gene?
A: metabolites",16,0
"Q: The appendicular skeleton is made up of all bones of the upper and lower what?
A: organs",24,0
"Q: Burning gas to run our cars is an example of how human activity is contributing to what global event?
A: ozone change",28,0
"Q: Plants generally transport carbohydrates from leaves to roots and other nonphotosynthetic organs in the form of what?
A: sucrose",27,1
"Q: If everything in a system stays the same but the pressure deceases, gas bubbles will change in what way?
A: they multiply",30,0
"Q: The stem of a horsetail is characterized by the presence of joints, or nodes: hence the name arthrophyta, which means this?
A: jointed plant",38,1
"Q: Where do most red algae species live?
A: oceans",15,1
"Q: What is the attraction of oppositely charged ions caused by electron transfer called?
A: ionic bond",23,1
"Q: What line of latitude is an equal distance from both the north and south poles?
A: divider",23,0
"Q: Thylakoid membranes contain molecules of what green pigment used in photosynthesis?
A: chlorophyll",21,1
"Q: The help with diffusion comes from special proteins in the membrane known as what?
A: lazy proteins",23,0
"Q: The appendicular skeleton includes all bones of the upper and lower limbs, plus the bones that attach each limb to the what?
A: literal skeleton",33,0
"Q: Light with the longest wavelengths is called what?
A: visible light",17,0
"Q: What is the term for the most abundant species in a community, characterized by high competitive abilities?
A: keystone species",27,0
"Q: Physical features on the earth's surface are known as ______
A: landforms",20,1
"Q: What takes both the shape and the volume of their container?
A: solids",19,0
"Q: What protects you from pathogens and keeps you healthy?
A: immune system",18,1
"Q: Both fluorine and lithium are highly reactive elements because of their number of what?
A: shell electrons",23,0
"Q: What pathway in a plant do water and nutrients travel through from the roots to the leaves?
A: stem",25,1
"Q: When vertebrate animals metabolize ammonia what is the primary byproduct that is produced?
A: carbon monoxide",23,0
"Q: What encloses the genetic material of the virus?
A: the capsid",19,1
"Q: An experiment generates what to support a hypothesis?
A: falsehoods",17,0
"Q: Meiosis and what process are both preceded by one round of dna replication; however, they differ in producing haploid or diploid daughter cells?
A: fertilization",35,0
"Q: What are compounds with the same number of carbon and hydrogen atoms called?
A: isomers",21,1
"Q: Name the one metal that melts below room temperature?
A: aluminum",17,0
"Q: Different media affect what property of light?
A: speed",15,1
"Q: Where do most biochemical reactions take place?
A: stomach",15,0
"Q: What preventive measure can protect even young children against diseases such as viral meningitis?
A: nutrition",22,0
"Q: Prokaryotic organisms, like bacteria, reproduce through what process, where they grow and divide in half?
A: binary fission",29,1
"Q: Quantities have two parts: the number (how many) and what else?
A: the motion",23,0
"Q: In the cardiovascular system, what blood vessels carry blood away from the heart?
A: arteries",22,1
"Q: What do we call the temperature at which a substance melts?
A: melting point",20,1
"Q: Photosynthesis requires light, water and what else?
A: seasons",17,0
"Q: What kind of systems use fluid to transmit pressure and increase force?
A: hydraulic systems",21,1
"Q: The simplest system is that of contractile vacuoles present in what?
A: parasites",21,0
"Q: Birds generally practice what kind of relationship, with both parents helping to care for the young?
A: monogamous",26,1
"Q: What controls earth's magnetosphere?
A: magnetic field",16,1
"Q: Fission is a type of radioactivity in which large nuclei spontaneously break apart into what?
A: smaller nuclei",25,1
"Q: Angiosperm success is a result of two novel structures that ensure reproductive success: flowers and this?
A: fruit",27,1
"Q: Physical features on the earth's surface are known as ______
A: landforms",20,1
"Q: What are the three fundamental phases of matter?
A: solid, liquid, and gas",21,1
"Q: What is used to classify tornadoes?
A: wind speed, damage",17,1
"Q: What are the smallest particles of water called?
A: hydrogen",16,0
"Q: Overpopulation takes place when the number of organisms in an area exceeds what?
A: carrying capacity",23,1
"Q: Inferior rotation occurs during limb adduction and involves the downward motion of what?
A: choroidal cavity",24,0
"Q: Convex lenses are thicker in the middle than at the edges so they cause rays of light to converge, or meet, at a point called what?
A: focus",36,1
"Q: What types of living things are divided into nonvascular and vascular groupings?
A: organs",21,0
"Q: The idea of evolution has been around for centuries. in fact, it goes all the way back to the ancient greek philosopher named?
A: aristotle",34,1
"Q: Geysers erupt because what boiling hot substance is trapped beneath their surface?
A: gas",23,0
"Q: A major diversification of what animal group occurred about 50 million years ago, possibly spurred by worldwide climate change?
A: mammals",30,1
"Q: How thick is the earth's continental crust, on average?
A: 60 kilometers",23,0
"Q: What cause rabies, measles, diarrheal diseases, hepatitis, polio, and cold sores?
A: viruses",25,1
"Q: What color is neptune?
A: yellow",13,0
"Q: Bones are far from static, or unchanging. instead, they are what?
A: dynamic",22,1
"Q: Water molecules are polar, so they form what type of bonds?
A: hydrogen",20,1
"Q: Helium-3 is produced by beta decay of a certain what?
A: nuclide",21,1
"Q: Iridescent green beetles, known as jewel beetles, change color because of the light-reflecting properties of the cells that make up this?
A: their hairs",36,0
"Q: Which bones are the large, curved bones that form the lateral and anterior aspects of the pelvis?
A: hip",26,1
"Q: What make us sick when they become human parasites?
A: protozoa",18,1
"Q: Snails, scallops, and squids are examples of invertebrates called what?
A: mollusks",23,1
"Q: What is defined as a group of living and nonliving things and their environment?
A: ecosystem",23,1
"Q: Air conditioning systems can incubate certain bacteria and what else?
A: Cancer",19,0
"Q: What orbits an atoms' nucleus?
A: negatively charged electrons",16,1
"Q: What is a device used to measure temperature changes during chemical processes called?
A: calorimeter",21,1
"Q: What type of waves are the slowest of all seismic waves?
A: surface waves",20,1
"Q: Amplification that occurs in which cells often requires signal transduction pathways involving second messengers?
A: sensory receptor",24,1
"Q: Binding of acetylcholine to receptors on the muscle fiber leads to a?
A: repolarization",22,0
"Q: What types of orbits do comets usually have?
A: elliptical",16,1
"Q: The electron released during beta decay is not an orbital electron but an electron whose origin was where?
A: in the nucleus",28,1
"Q: What can be classified as monoprotic or polyprotic based on the number of acidic hydrogens they contain?
A: ions",30,0
"Q: Named after the dutch physicist, the van de graaff is a type of what device used for nuclear research?
A: radiation detector",30,0
"Q: In the body, what essential substance is pumped from the heart into arteries and then eventually into capillaries?
A: blood",27,1
"Q: Sunlight gives plants the energy they need for what?
A: photosynthesis",17,1
"Q: Some bacteria can contaminate food and cause what illness?
A: natural poisoning",18,0
"Q: What term refers to a group of individuals of the same species that live in the same area and is the unit of natural selection, adaptation, and microevolution?
A: population",39,1
"Q: Ecology, botany, and zoology are what type of science?
A: psychological sciences",21,0
"Q: The expulsion stage begins when the fetal head enters what?
A: birth canal",19,1
"Q: What is the process of the fusion of a sperm and an egg called?
A: fertilization",22,1
"Q: What light-producing process occurs when a substance absorbs shorter-wavelength ultraviolet light and then gives off the energy as visible light?
A: fluorescence",32,1
"Q: What is it called when plant roots absorb liquid water and release water vapor into the atmosphere?
A: sedimentation",25,0
"Q: Mount kilimanjaro has ________ climates at the top and bottom?
A: different",19,1
"Q: What are identified by the azimuthal quantum number?
A: ionic-energy level",20,0
"Q: What is an alpha particle with two protons and two neutrons called?
A: helium nucleus",21,1
"Q: What is the upward force exerted by fluids when any object, such as a boat, is placed in it?
A: bouyant force",31,1
"Q: Glycolysis harvests chemical energy by oxidizing glucose to what?
A: pyruvate",18,1
"Q: New seafloor forms when what object cools?
A: lava",16,1
"Q: What do the letters in our blood types represent?
A: alleles",17,1
"Q: What are people called that choose to study science?
A: scientists",17,1
"Q: Soil that forms in place over a very long period is called what?
A: leakage soil",22,0
"Q: What is the term for movement toward light?
A: phototropism",18,0
"Q: What kind of charges do protons give the nucleus?
A: positive",17,1
"Q: What is occasional chest pain known as?
A: angina pectoris",17,1
"Q: Soda fizzes when what common gas comes out of solution?
A: carbon dioxide",20,1
"Q: What is the term for a cellular ""scaffolding"" that crisscrosses the cytoplasm?
A: protoskeleton",27,0
"Q: The duodenum is the first and the shortest part of what, and is where most chemical digestion takes place?
A: small intestine",30,1
"Q: Unlike energy, what doesn’t need to be constantly added to ecosystems because it is recycled through ecosystems?
A: water",28,0
"Q: Which measure indicates the number of electrons in a given sublevel?
A: subscripts",21,0
"Q: Defined as a substance in foods and beverages that is essential to human survival, what term encompasses water, energy-yielding and body-building substances, and vitamins and minerals?
A: molecules",41,0
"Q: The intensity or rate of radiation emission _________  with temperature?
A: randomly fluctuates",21,0
"Q: What do populations gain through births and immigration?
A: individuals",16,1
"Q: What is extracted from rock by heap leaching, flotation, or smelting?
A: ore",21,1
"Q: An unbalanced force on an object in motion causes what?
A: agitation",18,0
"Q: What do all chemical sections need to get started?
A: speed",17,0
"Q: What is one trait that the sponge and tarantula share?
A: lack of a backbone",22,1
"Q: Which two states of matter have definite volumes?
A: solids and liquids",18,1
"Q: What causes lightning during a thunderstorm?
A: difference in wind",16,0
"Q: Each month, starting in puberty, one egg matures and is released from where?
A: pollen",23,0
"Q: The ""double helix"" shape is associated with what substance found in cells?
A: genes",22,0
"Q: What is a disorder of glucose metabolism in which insulin production by the pancreas is impaired?
A: diabetes mellitus",25,1
"Q: Exposure to toxins is most damaging during weeks 4 through 8 of the embryonic stage due to development of what during this period?
A: samples",33,0
"Q: Substances may be either elements or what?
A: pure compounds",16,1
"Q: Solids and liquids are phases of matter that have their own unique what?
A: properties",21,1
"Q: The rate of flow of charge in an electrical circuit is known as what?
A: current",22,1
"Q: What does the armor including spines in some species offer?
A: protection from predators",20,1
"Q: Historically, certain bacteriophages have also been used as cloning vectors for making what?
A: specific libraries",25,0
"Q: If two populations do not mate and produce fertile offspring, what results?
A: separate species",22,1
"Q: What does the secretion of the hormone cholecystokinin stimulate the release of?
A: pancreatic juices, bile",27,1
"Q: Rise divided by run is called what?
A: slope",15,1
"Q: What system is responsible for defending your body against sickness?
A: nervous system",19,0
"Q: The term ion applies to entire molecules that are?
A: magnetic",17,0
"Q: What are the parts used in electronic devices such as computers called?
A: electronic components",21,1
"Q: What is an odorless white solid that is harmless unless consumed in large quantities?
A: Hydrogen",23,0
"Q: Why is the drift velocity negligible?
A: shows free charges",16,0
"Q: In the body, oxygen is used by cells of the body’s tissues and carbon dioxide is produced as what?
A: oxygen",30,0
"Q: Fungus-like protists are what kind of feeders?
A: absorptive",21,1
"Q: A flower's colors come from what part of the plant?
A: glycogen",20,0
"Q: In what system can energy change forms but the total amount of energy stay constant?
A: closed",23,1
"Q: Generators usually transform kinetic energy into what kind of energy?
A: subsequent energy",19,0
"Q: Mammals can feed at various levels of food chains, as herbivores, insectivores, carnivores and what else?
A: blood eaters",32,0
"Q: The sternum and 12 pairs of ribs with their costal cartilages make up what?
A: thoracic cage",27,1
"Q: Yogurt is made from milk fermented with what type of organism?
A: viruses",19,0
"Q: Metabolic pathways are a series of reactions catalyzed by multiple what?
A: enzymes",19,1
"Q: What are winds that blow over a limited area called?
A: local winds",19,1
"Q: What phenomenon can cause a protein in an organism to be made incorrectly?
A: mutation",21,1
"Q: Many ionic compounds with relatively large cations and a 1:1 cation:anion ratio have this structure, which is called the what?
A: cesium chloride structure",38,1
"Q: Deoxyribonucleic acid (dna) is nucleotide that stores what type of information?
A: mononucleus",26,0
"Q: Blood enters the heart in what valve?
A: atria",16,1
"Q: What type of mammals includes opossums, kangaroos, and koalas?
A: crustaceans",24,0
"Q: What are the two ways animals can manage their internal environment?
A: regulating or conforming",21,1
"Q: Often determining the strength or intensity of a wave, this term is the distance from the equilibrium point of motion to either its lowest or highest point?
A: amplitude",36,1
"Q: What is the name for a combination of elements that acts as a different substance?
A: compound",23,1
"Q: A changing magnetic field produces an electric current in what?
A: matter",18,0
"Q: How can we reduce use of energy resources?
A: conservation",16,1
"Q: An atom can be classified as a particular element based solely on its what?
A: light number",23,0
"Q: What can water's high surface tension be attributed t?
A: territorial molecules sticking together",22,0
"Q: Why wouldn't a teakettle have an aluminum handle?
A: it absorbs light",22,0
"Q: The process in which animals use visual cues to communicate is known as what?
A: visual indication",23,0
"Q: Which theory describes the benzene molecule and other planar aromatic hydrocarbon molecules as hexagonal rings of sp2-hybridized carbon atoms with the unhybridized p orbital of each carbon atom perpendicular to the plane of the ring?
A: hybrid orbital theory",53,0
"Q: The sun, stars, moon, planets and comets are all type of what objects?
A: extraterrestrial",25,0
"Q: What type of rocks form from cooled magma or lava?
A: igneous",18,1
"Q: Each pollen grain has two coverings: the exine (thicker, outer layer) and the what?
A: tube nucleus",29,0
"Q: What occurs when the pancreas doesn’t make enough insulin or else the body’s cells are resistant to the effects of insulin?
A: hepatitis",33,0
"Q: Evolution that occurs over a short period of time is known as what?
A: short term evolution",23,0
"Q: What is the study of the similarities and differences in the embryos of different species?
A: example embryology",25,0
"Q: In an exothermic reaction, what, specifically, is released?
A: water",20,0
"Q: What forms when an atom gains electrons?
A: anions",15,1
"Q: What are the two main components in a battery?
A: filter and a cathode",20,0
"Q: The overall purpose of the light-dependent reactions is to convert light energy into this?
A: photosynthesis",24,0
"Q: What term is used to describe the organism that is invaded and often harmed by a pathogen?
A: guardian",25,0
"Q: Newly duplicated chromosomes are divided into two daughter nuclei during what stage?
A: mitosis",20,1
"Q: While normal light microscopes can magnify objects up to about 1,500 times, what advanced instruments can magnify objects up to 1,000,000 times?
A: electron microscopes",48,1
"Q: What are organisms called, like the red-winged blackbird, that eat many different types of food?
A: omniverous",30,0
"Q: In the human ear, sound waves cause the stapes to press against what?
A: yellow window",24,0
"Q: When do the eggs in a female's ovaries start to mature?
A: puberty",21,1
"Q: Which ductless gland releases secretions directly into surrounding tissues and fluids?
A: marrow gland",21,0
"Q: Tuna have been shown to contain high levels of what metal?
A: mercury",19,1
"Q: The main components of the circulatory system are the heart, blood vessels, and what else?
A: lungs",25,0
"Q: Storm surge is very high water located in the low pressure eye of what?
A: hurricanes",22,1
"Q: Under appropriate conditions, the attractions between all molecules in what state will cause them to form liquids or solids?
A: soild",29,0
"Q: According to law, what must packaged foods carry?
A: nutrition facts label",19,1
"Q: What is the term for the process in which two atomic nuclei fuse together to make a single nucleus?
A: fusion",27,1
"Q: Viruses depend on what type of cells?
A: blood cells",16,0
"Q: What type of plants have vascular tissue but do not have seeds?
A: rocky vascular plants",22,0
"Q: The organ systems of the body work together to carry out life processes and maintain what?
A: homeostasis",24,1
"Q: Dna replication is the first step in what process for both eukaryotic and prokaryotic cells?
A: cell division",26,1
"Q: On a topographic map, what is the term for a line of equal elevation?
A: latitude line",24,0
"Q: What is the growing root tip protected by?
A: root cap",17,1
"Q: Tropical, temperate, continental, and polar are all examples of what?
A: climates",21,1
"Q: What type of cell transmits electrical impulses in the nervous system?
A: nerve cell",20,1
"Q: What do you call the system of glands that release chemical messenger molecules into the bloodstream?
A: endocrine system",25,1
"Q: What effect occurs when a few individuals start, or found, a new population?
A: divergent",23,0
"Q: Why do sodium and chloride ions attract each other?
A: sulfides attract",19,0
"Q: More than half of all known organisms are what?
A: insects",17,1
"Q: What makes soil and rock particles move gradually down the slope during each thaw?
A: heat",22,0
"Q: How is oxygen transferred into the bloodstream?
A: simple diffusion",16,1
"Q: What sort of digestion do animals engage in?
A: external",16,0
"Q: Underground rock in a molten state is called?
A: magma",16,1
"Q: Where are the viral enzyme and genome packaged inside?
A: viral capsid",19,1
"Q: One of the most advanced uses of what in medicine is the positron emission tomography scanner, which detects the activity in the body of a very small injection of radioactive glucose?
A: radioisotopes",42,1
"Q: How many more times likely are men to suffer from iron overload?
A: ten times",21,1
"Q: What nervous tissue cells play a supporting role to neurons?
A: glial cells",20,1
"Q: What number is the sum of the numbers of protons and neutrons present in the nucleus of an atom?
A: mass number",28,1
"Q: Gene expression and what else are usually considered the same molecular process?
A: photosynthesis",20,0
"Q: What type of mass movement is a sudden movement of large blocks of rock and soil down a slope?
A: slump",27,1
"Q: What do you call the metal elements listed below the periodic table?
A: transition metals",21,1
"Q: What are the two classifications of natural resources?
A: renewable and reusable",18,0
"Q: What are the building blocks of life?
A: muscles",15,0
"Q: Protozoa can be classified on the basis of how they?
A: smell",19,0
"Q: Which waves have the longest wavelengths but the least energy in the atmosphere?
A: microwaves",22,0
"Q: Which molecules in the body holds energy?
A: glucose molecules",16,1
"Q: Mass spectrometry today is used extensively in chemistry and biology laboratories to identify chemical and biological substances according to their ratios of what?
A: mass-to-charge",35,1
"Q: Made of hot, solid rock, the mantle is beneath what layer of the earth?
A: crust",24,1
"Q: What always has the same elements in the same ratio?
A: component",18,0
"Q: Reactant concentrations are highest at which part of a reaction?
A: beginning",19,1
"Q: Fluid-filled thylakoids are the site of glucose production in the second stage of what process?
A: photosynthesis",27,1
"Q: What is the main sex hormone in males called?
A: estrogen",17,0
"Q: The rocks that are taken from a mine are full of valuable minerals plus rock that isn't valuable. what is this rock called?
A: waste rock",35,1
"Q: When alternating primary current passes through coil p, it does what to the iron core?
A: magnetizes it",27,1
"Q: Which metal is not solid at room temperature?
A: mercury",16,1
"Q: What force opposes a motion of a moving body? for example a car breaking on a road.
A: friction",26,1
"Q: An alloy is a mixture of metals that has bulk metallic properties different from those of its what?
A: system elements",27,0
"Q: What type of matter transmits light without scattering it?
A: opaque",17,0
"Q: What is the tubular passageway through which the embryo or fetus leaves the mother’s body during birth?
A: cervix",28,0
"Q: The entire volume of what is filtered through the kidneys about 300 times per day?
A: gastric juice",27,0
"Q: What do we call the temperature at which a substance melts?
A: melting point",20,1
"Q: Internal functions are coordinated and regulated so that the internal environment of a living thing is relatively constant, referred to as what?
A: homeostasis",31,1
"Q: What are the two main types of diabetes?
A: type 0, 1",21,0
"Q: What is a sac filled with fluid or other material?
A: a lesion",19,0
"Q: Focused on evolution, the studies of what man have reshaped and influenced all aspects of biology?
A: Linnaeus",26,0
"Q: Living things need to take in nutrients so that they can grow and create what?
A: energy",23,1
"Q: What type of starch is used for long-term energy storage in animal cells?
A: glycogen",23,1
"Q: Induced mutations are caused by environmental factors. what term is used to describe a mutation that has no environmental cause?
A: spontaneous mutation",30,1
"Q: The bottom of the ocean is called what?
A: Intertidal zone",18,0
"Q: Which system refers to the skin and its accessory structures?
A: digestive system",19,0
"Q: What is the term for a substance that causes the speed of a reaction to increase?
A: catalyst",24,1
"Q: What is the smallest part of a compound?
A: electron",16,0
"Q: What type of tissue runs the length of a stem in vascular bundles?
A: thermal tissue",22,0
"Q: What type of organism is used to produce alcoholic beverages and bread?
A: yeast",20,1
"Q: Besides increasing the potential, how else can you increase current in a circuit?
A: decreasing the resistance",24,1
"Q: What type of biomes are found in the salt water of the ocean?
A: marine",22,1
"Q: Stress building up at the same rate over time at a fault causes what phenomenon?
A: earthquakes",23,1
"Q: Salt-water biomes in the ocean are called what?
A: marine organelles",20,0
"Q: What do gametes undergo to produce many additional copies of themselves?
A: mitosis",20,1
"Q: Many discrete characters are determined by a single gene locus with different alleles that produce distinct what?
A: phenotypes",25,1
"Q: Cells selective for different odorants are interspersed in what anatomical cavity?
A: nasal",20,1
"Q: What does hemoglobin in blood carry to the cells?
A: methane",17,0
"Q: Altitude is height above what?
A: the earth's core",17,0
"Q: What is the third male reprodutive structure after the penis and testes?
A: clitoris",23,0
"Q: The final stage of labor is delivery of the what?
A: uterus",18,0
"Q: Although what biochemicals circulate throughout the body and come into contact with many different cell types, they only affect cells that possess the necessary receptors?
A: Cells",35,0
"Q: What effect in the atmosphere ensures that the earth maintains the correct temperature to support life?
A: coriolis effect",26,0
"Q: A cartilaginous joint where the bones are joined by fibrocartilage is called a what?
A: symphysis",26,1
"Q: What do craters and rifts become when the fill with water?
A: lakes",20,1
"Q: What bone is is one of a pair that together form the upper jaw, much of the hard palate, the medial floor of the orbit, and the lateral base of the nose?
A: maxillary bone",44,1
"Q: The axon contains microtubules and neurofilaments that are bounded by a plasma membrane known as what?
A: exolemal",29,0
"Q: Minerals that are not pure elements are made of what?
A: isotopes",18,0
"Q: What is the term for the visible part of the electromagnetic spectrum?
A: light",20,1
"Q: Hair is a component of which bodily system?
A: integumentary system",19,1
"Q: Air quality is a measure of what in the air?
A: nitrogen",18,0
"Q: What is the most dangerous type of radiation?
A: sunlight rays",17,0
"Q: Which atomic particle has a positive charge?
A: the proton",16,1
"Q: In science, what process produces evidence that helps answer questions and solve problems?
A: investigation",22,1
"Q: What process is magnesium important to?
A: dna replication",15,0
"Q: What is the invisible force that pulls things to earth?
A: gravity",18,1
"Q: What group of elements cannot conduct electricity?
A: carbonates",15,0
"Q: In this type of reaction, an element replaces another element in a compound, and the element is in any state of matter but is not an ion?
A: double-replacement reaction",40,0
"Q: What are the messenger molecules of the endocrine system?
A: hormones",17,1
"Q: What type of reproduction produces offspring from a single parent that share the exact same genetic material as the parent?
A: mutation",28,0
"Q: How many chromosomes are in a diploid human cell?
A: 46 chromosomes",20,1
"Q: The leaf chameleon (brookesia micra) was discovered in northern madagascar in 2012. at just over one inch long, it is what?
A: smallest known chameleon",42,1
"Q: What do you call the process of a solid becoming a liquid?
A: boiling",20,0
"Q: Where do all cells come from?
A: pre-existing cells",17,1
"Q: Billions of what inside the human digestive tract help us digest food, make vitamins and play other important roles?
A: bacteria",29,1
"Q: What is the change in behavior based on experience?
A: observing",17,0
"Q: What value of dissolved substances is higher than that of their corresponding precipitate?
A: entropy",21,1
"Q: The arid environment of a desert, for instance, can quickly deplete an animal of what?
A: water",26,1
"Q: What is the energy that flows as a result of a difference in temperature?
A: heat",22,1
"Q: Name the law that determines as to which rock layers are younger or older than others.
A: law of superposition",26,1
"Q: What substances dissociate into ions when dissolved in water?
A: isotopes",18,0
"Q: What prevents soil erosion on a hillside that is being farmed?
A: terracing",20,1
"Q: Deoxyribonucleic acid (dna) is nucleotide that stores what type of information?
A: mononucleus",26,0
"Q: What are structures that have a common function and suggest common ancestry?
A: homologous structures",21,1
"Q: What glands produce the salty fluid that helps cool the body of many mammals?
A: thyroid gland",23,0
"Q: The parasympathetic system can also be referred to as the what?
A: craniosacral system",25,1
"Q: The overall purpose of the light-dependent reactions is to convert light energy into this?
A: photosynthesis",24,0
"Q: Which electromagnetic radiation is used to kill cancer cells?
A: ultraviolet rays",18,0
"Q: The heart and a network of blood vessels that run throughout the body make up what organ system?
A: lymphatic system",27,0
"Q: The release of calcium ions initiates what?
A: muscle contractions",16,1
"Q: The genetic code is universal, unambiguous, and what else?
A: redundant",19,1
"Q: In type 2 diabetes, body cells do not respond to normal amounts of what hormone?
A: insulin",25,1
"Q: What are the primary producers in terrestrial biomes?
A: plants",17,1
"Q: What is the process where light bounces back from surfaces that it cannot pass through?
A: diffraction",23,0
"Q: What is the largest known virus?
A: polyomavirus",16,0
"Q: Many countries have attempted to reduce the human impact on climate change by reducing their emission of what greenhouse gas?
A: methane",28,0
"Q: What's the term for an allele that's always expressed over another?
A: prevalent",23,0
"Q: What are used to write nuclear equations for radioactive decay?
A: nuclear symbols",19,1
"Q: What is another name for a broad explanation that is supported by a great deal of evidence?
A: hypothesis",25,0
"Q: What is the name of an uncharged particle whose weight is nearly equal to that of a proton?
A: a neutron",28,1
"Q: After fluid collects in nephron tubules in the kidney, where does it move to?
A: the uterus",25,0
"Q: Microscopes were first developed in the early 1600s by this trade?
A: food makers",26,0
"Q: Ions move through what to maintain electrical neutrality in the cell?
A: the membrane",21,1
"Q: Spiders use the hydrostatic pressure generated by an open type of what anatomical system to extend their legs?
A: respiratory",26,0
"Q: What is the hypothesis that states that the biosphere is its own living organism?
A: Big Bang theory",25,0
"Q: Liverworts are small plants that grow close  to what?
A: ground",20,1
"Q: What is the second line of defense?
A: inflammatory response",16,1
"Q: What type of rocks are very useful for determining the deformation history of an area?
A: igneous",23,0
"Q: Which primate group generally lives alone?
A: orangutan",15,1
"Q: Glycolysis harvests chemical energy by oxidizing glucose to what?
A: pyruvate",18,1
"Q: What is the measure of water potential?
A: megapascals",17,1
"Q: Plant-like protists produce oxygen through which process?
A: photosynthesis",18,1
"Q: Vibrating objects such as drumheads produce what?
A: negative ions",18,0
"Q: What body joint incurs the most common overuse injury among runners and other athletes?
A: knee",23,1
"Q: What kind of charge do electrons have?
A: effective",15,0
"Q: What is the change of state from a gas to a liquid?
A: condensation",20,1
"Q: What is it called when plants release water vapor through their leaves?
A: transpiration",20,1
"Q: Gas lines should be made of what so they do not rupture?
A: flexible material",21,1
"Q: Where do the majority of species live?
A: ocean",15,1
"Q: What type of contamination causes almost 90% of diarrheal disease worldwide?
A: water supply contamination",25,1
"Q: What, now former, planet is small, icy, and rocky?
A: mercury",21,0
"Q: What branch of science is the study of the solid earth?
A: geology",19,1
"Q: When struck, how are the rigid crystals of ionic compounds likely to react?
A: break",22,1
"Q: What type of device do scientist use to determine wind speed?
A: anemometer",21,1
"Q: What has high surface tension because of extensive hydrogen bonding?
A: water",18,1
"Q: How many sperm does it take to fertilize an egg?
A: ten",19,0
"Q: How are the number of moles of carbon dioxide gas calculated?
A: stoichiometry",20,1
"Q: What changes the chemical composition of a substance and can only occur through a chemical reaction?
A: carbon changes",25,0
"Q: What are the specialized cells of sponges called?
A: plant cells",17,0
"Q: The medieval catapult has a heavy ballast on one end and what on the other end?
A: projectile",24,1
"Q: When do glaciers deposit their sediment?
A: when they move",16,0
"Q: What are winds that blow over a limited area called?
A: local winds",19,1
"Q: What term is used to describe  an illusion that light from faraway objects is reflected by a pool of water that is not really there?
A: mirage",35,1
"Q: Boiling points increase with which kind of mass?
A: lipid mass",17,0
"Q: What do mitochondrions have an inner and outer version of?
A: membrane",19,1
"Q: What is the most common type of muscle in the human body?
A: fetal",20,0
"Q: Worms grow to adult size without going through what stage?
A: larval",18,1
"Q: Another way to classify matter is to describe it as a solid, a liquid, or a gas, which was done in the examples of solutions. these three descriptions, each implying that the matter has certain physical properties, represent the three of these?
A: phases of mass",58,0
"Q: What happens between particles with opposite charges?
A: they attract",16,1
"Q: What is it called when plants release water vapor through their leaves?
A: transpiration",20,1
"Q: In what type of mining must tunnels be blasted into the rock so that miners and equipment can get to the ore?
A: underground mining",31,1
"Q: A voltaic cell uses what type of reaction to generate an electric current
A: spontaneous catalyst",22,0
"Q: What is usually the prey of a protist?
A: pathogens",17,0
"Q: What is the sac-like organ of the body that is important for both mechanical and chemical digestion?
A: stomach",27,1
"Q: What kind of reproduction results in offspring that are generally all genetically different?
A: perceptual",21,0
"Q: Where on earth do bacteria live?
A: all environments",15,1
"Q: The fossil record indicates that anthropoids began diverging from other primates about how many million years ago?
A: 70",28,0
"Q: Compounds with metals and nonmetals sharing electrons are known as what kinds of compounds?
A: ions",23,1
"Q: Many parasites have complex life cycles involving multiple ?
A: hosts",16,1
"Q: Thylakoids in a chloroplast contain what plant pigment?
A: melanin",19,0
"Q: The geometry of the bf 3 molecule is called what?
A: trigonal planar",21,1
"Q: In moss, what becomes elongated to elevate the capsule to enhance spore dispersal?
A: sera",22,0
"Q: What are the two types of photoreceptors in the retina?
A: holes and cones",22,0
"Q: Constriction and dilation allow the circulatory system to change the amount of blood flowing to which body parts?
A: organs",28,1
"Q: Insulin is produced by what part of the body?
A: pancreas",17,1
"Q: What structures sweep laterally, hugging the pelvic walls, then turn medially and pierce the bladder wall obliquely?
A: ureters",29,1
"Q: Cigarettes are a major source of what kind of chemical substances linked with cancer?
A: carcinogens",24,1
"Q: What do we call the amount of time a substance is stored in a reservoir?
A: storage time",24,0
"Q: What keeps the moon orbiting earth?
A: Coriolis effect",16,0
"Q: What is the most common type of organic compound?
A: carbohydrates",17,1
"Q: The process where an atomic nucleus breaks apart into two less massive nuclei is known as ______.
A: diffusion",25,0
"Q: When is a moving car said to be in dynamic equilibrium?
A: at rest",20,0
"Q: When two electric contacts come together it completes a what?
A: cricuit",20,1
"Q: What kind of lakes form when volcanic eruptions create holes that fill with water?
A: artificial lakes",23,0
"Q: Boyle discovered that what property of a gas is inversely proportional to its volume?
A: pressure",22,1
"Q: What is the cutting and burning trees to clear land for farming called?
A: slash-and-burn agriculture",26,1
"Q: What are the main organs for breathing in a mammal?
A: gills",18,0
"Q: Vascular disorders involve problems with the flow of what?
A: blood",17,1
"Q: What will the contraction of smooth muscles help organs do?
A: fine motor movements",20,0
"Q: Wood consists of mainly what kind of walls?
A: aquatic",16,0
"Q: Which kinds of cells have nuclei and other membrane bound organelles?
A: lipids",19,0
"Q: What is the second highest mountain in the world, at over 28,000 feet?
A: k2",29,1
"Q: Which orbitals do electrons fill first?
A: empty orbitals",15,0
"Q: Hair color and skin color are known as what?
A: traits",17,1
"Q: Where does electric power originate?
A: the Sun",14,0
"Q: What do you call the substance in a cooling system that has a low boiling point and changes between liquid and gaseous states?
A: byproduct",31,0
"Q: Polar molecules result from differences in electronegativity of what in the molecule?
A: atoms",22,1
"Q: What is the largest known virus?
A: polyomavirus",16,0
"Q: Tremetol, a metabolic poison found in the white snake root plant, prevents the metabolism of what?
A: lactate",28,1
"Q: The spermatids are transported from the testes to where?
A: epididymis",20,1
"Q: What substances dissociate into ions when dissolved in water?
A: isotopes",18,0
"Q: In contrast to metals, electrical insulators are materials that conduct electricity poorly because their valence bands are what?
A: full",27,1
"Q: What harmful light does ozone reduce in the upper atmospheres?
A: infrared light",19,0
"Q: Systemic communication through the phloem helps integrate the functions of the whole what?
A: bird",22,0
"Q: What system, which includes the skin, plays important roles in protection, sensing stimuli and thermoregulation?
A: integumentary system",31,1
"Q: What kind of conditions are often inherited as simple recessive traits?
A: genetic diversivers",21,0
"Q: When a star's core collapses inward while the outer layers spread and cool, what ""colorful"" celestial body forms?
A: red giant",32,1
"Q: Hair and nails are made of what?
A: chromatin",15,0
"Q: What  is the movement of molecules from an area of high concentration of the molecules to an area with a lower concentration?
A: diffusion",31,1
"Q: Technetium is named after the greektechnikos, meaning “artificial,” because all its isotopes are what?
A: rare",29,0
"Q: What is the name of the first leaf developed inside an embryo?
A: cotyledon",22,1
"Q: What is algae easier to covert into that corn is currently used for?
A: fuel",21,1
"Q: An action potential that starts at the axon hillock moves along the axon only toward what?
A: nerve endings",27,0
"Q: Radioactive decay can give off energy and what else?
A: light",17,0
"Q: Aldehydes, ketones, carboxylic acids, esters, and ethers all have functional groups containing what element?
A: silicon",27,0
"Q: What kind of summers do humid continental climates have?
A: cold summers",18,1
"Q: With a shape that specially suits its function of sending nerve signals to other cells, the human nerve cell is an example of what?
A: adaptation",33,0
"Q: Specific scents are often associated with what?
A: memories",15,1
"Q: Insects have a highly specialized type of respiratory system called what?
A: tracheal system",21,1
"Q: What is the term for a resource that is used in a way that meets the needs of the present without keeping future generations from meeting their needs?
A: sustainable",36,1
"Q: Human actions such as plowing, logging, construction and other actions contribute to what kind of erosion?
A: weathering",26,0
"Q: A group of genetically identical individuals is called what?
A: brother",17,0
"Q: Falling onto what joint can fracture the distal humerus?
A: elbow",18,1
"Q: What do electromagnetic receptors detect?
A: electromagnetic radiation",14,1
"Q: Hydrocarbons are made up of carbon and what else?
A: hydrogen",17,1
"Q: What is the term for a test to see if a scientific explanation is right or wrong?
A: invention",25,0
"Q: What term is used to express the measurement of how high land is above sea level?
A: knots",24,0
"Q: In a transverse wave, the highest point the wave reaches is known as the?
A: flow",23,0
"Q: What is most of the water used in agriculture used for?
A: cleaning",19,0
"Q: The process of photosynthesis ultimately gets powered by what kind of energy?
A: biofuel",21,0
"Q: What type of earthquake creates a tsunami?
A: underwater",15,1
"Q: How is eye color in humans determined?
A: multiple genes",16,1
"Q: Unlike amphibians, reptiles do not have what stage?
A: larval",17,1
"Q: Radiometric dating methods, such as carbon-14 dating depend on what type of decay?
A: microwave",26,0
"Q: The kidneys help control acid-base balance by excreting _____ and generating bicarbonate that helps maintain blood plasma ph within a normal range?
A: hydrogen ions",35,1
"Q: What is an important level of organization in ecology and the unit of microevolution?
A: population",23,1
"Q: What is secreted by the cells surrounding spermatogonia to help sperm production?
A: testosterone",22,1
"Q: What part of the continuous dermal tissue system covers stems?
A: epidermis",18,1
"Q: What type of rain dissolves limestone and marble?
A: acid",16,1
"Q: Plasmodesmata and gap junctions are channels between adjacent cells of what respective types?
A: healthy and sick",25,0
"Q: Oxygen has the second highest electronegativity of any element; consequently, it prefers to share or accept electrons from other elements. only with fluorine does oxygen form compounds in this?
A: positive oxidation states",44,1
"Q: Sexual signaling molecules released by fungi are known as what?
A: pheromones",19,1
"Q: The function of which organ is to filter blood and form urine?
A: kidneys",20,1
"Q: When does an oocyte complete meiosis?
A: metaphase",16,0
"Q: Alkanes are nonpolar and therefore do not attract what?
A: ions",20,1
"Q: In his work with pea plants, mendel performed what, which involves mating two true-breeding individuals that have different traits?
A: hybridization",32,1
"Q: What also happens when people feel anxious and breathe too fast?
A: they become pettite",22,0
"Q: What is the process by which plants and animals increase in size?
A: growth",20,1
"Q: What  reinforces the thin walls of the right ventricle and plays a crucial role in cardiac conduction?
A: moderator band",28,1
"Q: A perfectly inelastic collision reduces internal kinetic energy to the minimum it can have while still conserving what?
A: heat",26,0
"Q: What is the term for a solution that resists dramatic changes in ph?
A: inert",21,0
"Q: What is electrons in the highest occupied principal energy level of an atom called?
A: valence electrons",23,1
"Q: What the name of the disease where some of the alveoli of the lungs fill with fluid so they can no longer exchange gas?
A: leukemia",33,0
"Q: Bone marrow is found inside many bones and produces what?
A: lymphocytes",18,1
"Q: Organisms are highly organized, coordinated structures that consist of one or more what?
A: cells",22,1
"Q: What is a purification process where the components of a liquid mixture are vaporized and then condensed and isolated?
A: conduction",28,0
"Q: What are most stis caused by?
A: bacteria",15,1
"Q: In an atom, what is determined by electron distribution in shells?
A: chemical behavior",21,1
"Q: The vertebrae are divided into the cervical region, the thoracic region, and which other region?
A: cylindrical region",26,0
"Q: When the maximum amount of solute has been dissolved in a given amount of solvent, we say that the solution is what?
A: saturated",31,1
"Q: What takes both the shape and the volume of their container?
A: solids",19,0
"Q: What property of carbon and other elements can be used to date fossils and rocks, among other things?
A: mass",27,0
"Q: What gas is contributing to the greenhouse effect?
A: carbon dioxide",17,1
"Q: The number of possible isomers increases tremendously as carbon skeletons increase in what?
A: size",21,1
"Q: What are the secretions released by the endocrine glands called?
A: acids",18,0
"Q: What is the sum total of all body reactions?
A: metabolism",17,1
"Q: The peripheral nervous system has major nerves that travel through every part of the body except which two places?
A: brain and spinal cord",30,1
"Q: What property does liquid display when it interacts with glass?
A: property of adhesion",20,1
"Q: Which proteins recognize and combine with harmful materials, including both toxic chemicals and invasive microorganisms?
A: enzymes",24,0
"Q: Breaking of weak bonds, which tend to form between positive and negative charges, does not require much what?
A: energy",28,1
"Q: How do bacteria reproduce?
A: binary fission",13,1
"Q: What are the things moving under the earth's mantle that move the crust?
A: crystals",23,0
"Q: What cell structures capture light energy from the sun and use it with water and carbon dioxide to produce sugars for food?
A: chloroplasts",31,1
"Q: What is the smallest unit of a chemical element called?
A: atom",18,1
"Q: Grasses such as wheat, rice, and corn are examples of fibrous root systems. fibrous root systems are found in monocots; tap root systems are found in these?
A: dicots",42,1
"Q: What is the name for compounds that contain only carbon and hydrogen?
A: particles",20,0
"Q: What results when the water vapor from a hot shower contacts the cooler surface of a mirror?
A: the mirror breaks",27,0
"Q: In what way do bacteria reproduce?
A: binary fission",15,1
"Q: Major exchange pools of carbon include organisms and what else?
A: location",18,0
"Q: What size of ring will a summer drought cause in a tree?
A: giant",20,0
"Q: What is the term for an underground layer of rock that is saturated with groundwater?
A: aquifer",23,1
"Q: Bone tissues include compact bone, spongy bone, bone marrow, and?
A: cartilage",22,0
"Q: Natural selection for what type of trait changes the distribution of phenotypes?
A: parent trait",21,0
"Q: How is a mammal developed if not inside of a placenta or a pouch?
A: hatched from eggs",24,1
"Q: Prokaryotes and the nitrogen cycle nitrogen is a very important element for life because it is part of proteins and this?
A: nucleic acids",32,1
"Q: Graded potentials are temporary changes in what, the characteristics of which depend on the size of the stimuli?
A: membrane voltage",29,1
"Q: What would cause warm receptors to signal the hypothalamic thermostat?
A: increased temperature",20,1
"Q: The mechanical advantage of a machine is related to how it changes what?
A: pressure",21,0
"Q: What is the process in which an atom becomes an ion known as?
A: ionization",21,1
"Q: An electric stove changes electric current to what form of energy?
A: thermodynamic",19,0
"Q: What does the second number in a blood pressure reading measure?
A: external pressure",20,0
"Q: What are the devices placed in electric circuits where charge can build up, which store energy when charged and release it when they discharge?
A: capacitors",33,1
"Q: Of the three basic types of radioactive emissions, what particle is the most penetrating?
A: neutron",23,0
"Q: Which organ has a thick mucus lining that protects the underlying tissue from the action of the digestive juices?
A: stomach",27,1
"Q: What term is used describe energy released during an earthquake?
A: blast",18,0
"Q: Reptiles and birds are the only known living descendants of what?
A: mammals",19,0
"Q: Alzheimer’s disease is a disease that occurs mainly in what population?
A: older adults",22,1
"Q: What is at the center of our solar system?
A: the moon",18,0
"Q: What do we call the solid form of hydrocarbons?
A: methane",17,0
"Q: Diagnosing and treating cancer is a beneficial use of what potentially dangerous energy?
A: thermal",22,0
"Q: In the case of a light bulb, electricity is converted to light and what kind of energy?
A: nuclear",26,0
"Q: What do fungi use to penetrate deep into decaying matter?
A: cilia",18,0
"Q: Where do radio waves lie on the electromagnetic spectrum?
A: middle",17,0
"Q: What determines the ability of soil particles to bind many nutrients?
A: surface pulses",20,0
"Q: Friendly bacteria live mostly in the large intestine and part of the small intestine, because what organ is too acidic?
A: stomach",29,1
"Q: The german physicist max planck (1858–1947) used the idea that atoms and molecules in a body act like oscillators to absorb and emit this?
A: radiation",43,1
"Q: At transform plate boundaries, two plates move in which directions?
A: opposite",19,1
"Q: What basic plant structure is the site of photosynthesis?
A: nucleus",17,0
"Q: What element enters the body when an organism breathes?
A: oxygen",17,1
"Q: What weather term describes what the temperature feels like when the wind is taken into account?
A: windshield",24,0
"Q: Dna encodes instructions for what kind of molecules?
A: acids",17,0
"Q: What's caused by damaged capillaries in the kidneys so the nephrons can no longer filter blood?
A: bacteria failure",28,0
"Q: What do sharks use to secrete salt to assist in osmoregulation?
A: ceramic gland",22,0
"Q: Introduction of antigens into the body through immunization can confer what benefit?
A: active immunity",21,1
"Q: Antacids are bases that neutralize what in the digestive tract?
A: fats",19,0
"Q: Energy transfer between what kinds of levels is generally rather inefficient?
A: trophic",19,1
"Q: What develop inside chambers called ovaries, which originate within flowers and mature into fruits?
A: angiosperm seeds",26,1
"Q: Each microspore develops into a pollen grain containing a male what?
A: progesterone",20,0
"Q: Due to the __________ nature of the lipids that make up cell membranes, polar molecules (such as water) and ions cannot easily diffuse across the cell membrane.
A: hydrophylic",40,0
"Q: Because their embryos are surrounded by a thin membrane, reptiles are considered what?
A: carnivorous",23,0
"Q: A man made lake is known as what?
A: Pond",16,0
"Q: What helps an insectivorous plant attract and digest insects?
A: specialized flowers",20,0
"Q: The primary function of leaves is to collect sunlight and make food by what process?
A: nuclear fission",24,0
"Q: More common in developing countries, parasitic diseases caused by roundworms often result from poor practice of what?
A: personal hygiene",28,1
"Q: Macrophages, which can swallow and destroy old and dying cells, bacteria, or viruses, are large types of what cells?
A: white blood cells",35,1
"Q: What large dwarf planet in our solar system was only discovered in 2005?
A: eris",26,1
"Q: What is it called when a charge moves against a field?
A: momentum",19,0
"Q: In which kind of water can less carbon dioxide dissolve?
A: warm water",19,1
"Q: The combined gas law involves three properties of a gas - volume, absolute temperature, and what?
A: power",26,0
"Q: What are lipopolysaccharide components of the outer membrane of gram-negative bacteria?
A: hormones",24,0
"Q: What type of cells have chloroplasts?
A: simple cells",16,0
"Q: Where do amphibians lay their eggs?
A: in caves",15,0
"Q: Karyotyping shows whether what structures, which contain genetic information, are normal in number and appearance?
A: chromosomes",26,1
"Q: Four haploid spermatids form during meiosis from what?
A: the primary spermatocyte",21,1
"Q: What is the smallest aromatic hydrocarbon?
A: benzene",14,1
"Q: Why does the fish odour diminish when you put lemon juice over cooked fish?
A: due to neutralization",24,1
"Q: How many different amino acids make up proteins.
A: 14",18,0
"Q: The size of the solute particles determines the rate of what?
A: merging",19,0
"Q: Temperature and pressure affect changes in phases or states of what?
A: matter",19,1
"Q: The environment where most chemical reactions in organisms takes place consists mostly of what?
A: air",22,0
"Q: What work together in pairs to bend or straighten a joint?
A: nerve fibers",20,0
"Q: Falling onto what joint can fracture the distal humerus?
A: elbow",18,1
"Q: Humans need lipids for many vital functions such as storing energy and forming what?
A: cell membranes",23,1
"Q: In what group of animals several forms of asexual reproduction are found?
A: crustaceans",21,0
"Q: The structure of the human tail bone is called what?
A: a vestigial structure",21,1
"Q: Weathering is fundamental to the creation of what, which exists as a very thin layer over solid rock?
A: soil",28,1
"Q: What term is used describe energy released during an earthquake?
A: blast",18,0
"Q: A catalytic converter filters pollutants in exhaust created by burning what before releasing it into the air?
A: fossil fuels",26,1
"Q: What do you call a carnivore that eats mainly insects?
A: insectivores",21,1
"Q: What type of rocks are very useful for determining the deformation history of an area?
A: igneous",23,0
"Q: What is the evolutionary history of group of related organisms
A: substructure",18,0
"Q: Rna and dna are types of what biochemical compounds containing the elements carbon, hydrogen, oxygen, nitrogen, and phosphorus?
A: hormones",31,0
"Q: What kind of enzyme is phosphofructokinase?
A: allosteric",20,1
"Q: What term describes the amount of material present in an object?
A: mass",19,1
"Q: What type of vehicles is able to go to the deepest ocean floor?
A: off road vehicles",23,0
"Q: What do you call the sudden flow of mud down a slope because of gravity?
A: rockflow",24,0
"Q: Molecules in the gas phase can collide with the liquid surface and reenter the liquid via what?
A: condensation",26,1
"Q: What is the growing root tip protected by?
A: root cap",17,1
"Q: What kind of cells have positive cell potentials, and all the reduction reactions are reversible?
A: new cells",25,0
"Q: According to one of einstein's theory, while light consists of particles, it behaves like this.
A: thermodynamics",28,0
"Q: What is the term for the cell fragments involved in blood clotting, which stick to tears in blood vessels and to each other?
A: molecules",32,0
"Q: Vertebrates differ from invertebrates because they lack this?
A: legs",17,0
"Q: Gap genes are defined by the effect of what in that gene?
A: infection",20,0
"Q: Some microorganisms can digest cellulose, breaking it down into what?
A: glucose monomers",20,1
"Q: What type of air may get stuck on the windward side of a mountain range?
A: brisk air",25,0
"Q: When calculating impulse, consider the change in _______ of one of the objects in the collision?
A: sound",25,0
"Q: The constant ""c"" can be specifically used to represent the (extremely fast) speed of what?
A: electricity",27,0
"Q: From what did the first proto-oncogenes arise?
A: spores",19,0
"Q: Because the masses of subatomic particles are so small, a new unit, called what, was defined?
A: atomic mass unit",30,1
"Q: Lungs, pharynx, larynx, trachea, and bronchi are part of which system?
A: respiratory",25,1
"Q: Different isotopes of an element have different mass numbers because they have different numbers of what?
A: neutrons",24,1
"Q: What does it mean to be a diploid organism?
A: organism has two copies of each gene",23,1
"Q: Females are not influenced by the male sex hormone testosterone during embryonic development because they lack what?
A: y chromosome",26,1
"Q: What is the first cell of a new organism?
A: nucleus",17,0
"Q: The oceans affect earth’s atmosphere and influence its what?
A: earthquakes",19,0
"Q: Where does most geological activity takes place?
A: in mountain ranges",17,0
"Q: Salt hydrolysis is a reaction in which one of the ions from a salt reacts with what?
A: proteins",25,0
"Q: Glucose, galactose, and fructose are all what?
A: alucoxes",20,0
"Q: When a mountain stream flows onto flatter land and comes to a stop rapidly, what do the deposits form?
A: conical fan",29,0
"Q: The hamstrings flex the leg, whereas the quadriceps femoris have what effect?
A: contract",24,0
"Q: When a sperm penetrates the egg, it triggers the egg to complete what?
A: meiosis",22,1
"Q: What can often be used to measure distance?
A: maps",16,1
"Q: The ordovician-silurian extinction event is the first recorded mass extinction and the second largest. during this period, about what percent of marine species went extinct?
A: 10 percent",43,0
"Q: What is the force pulling an object downward called?
A: weight",17,1
"Q: What is a change in the sequence of bases in dna or rna called?
A: radiation",23,0
"Q: Internal functions are coordinated and regulated so that the internal environment of a living thing is relatively constant, referred to as what?
A: homeostasis",31,1
"Q: What is the equation of power released?
A: amplitude x current",17,0
"Q: Because the fields that make up an electromagnetic wave are at right angles to each other and to the direction that the wave travels, an electromagnetic wave is considered what?
A: insverse wave",41,0
"Q: What do a river and all its tributaries make up?
A: river system",19,1
"Q: What is a soft, gray, nontoxic alkaline earth metal?
A: calcium",20,1
"Q: The voltage of a voltaic cell can be determined by the reduction potentials of what?
A: half reactions",25,1
"Q: Similarity of crystal structures is used to categorize what non-living materials?
A: salts",21,0
"Q: Potassium, calcium, and magnesium are considered what kind of nutrients?
A: micronutrients",21,0
"Q: What is defined as a saturated layer of rock or soil?
A: river bank",20,0
"Q: What property of carbon and other elements can be used to date fossils and rocks, among other things?
A: mass",27,0
"Q: Which carbohydrates can be classified in terms of chain length?
A: binary",18,0
"Q: Blood enters the kidney through the which artery?
A: cardiac artery",17,0
"Q: When did we learn there was a hole in the ozone layer?
A: 1980s",25,1
"Q: What is pressure times area equal to?
A: force",15,1
"Q: What is the goal of science?
A: improve knowledge",15,0
"Q: How much space a surface covers is known as what?
A: area",18,1
"Q: What happens to the mass number during a nuclear decay process by positron emission?
A: remains unchanged",23,1
"Q: Einstein developed a theory about how electromagnetic radiation can behave as both a wave and what else?
A: energy",25,0
"Q: When na 2 hpo 24 − (the weak acid) comes into contact with a strong base, such as sodium hydroxide (naoh), the weak acid reverts back to the weak base and produces what?
A: rock",52,0
"Q: Major exchange pools of carbon include organisms and what else?
A: location",18,0
"Q: What important liquid is stored throughout the earth in the oceans, underground, and in ice?
A: water",25,1
"Q: All of the land drained by a river system is called its basin, or what ""wet"" term?
A: watershed",28,1
"Q: Anything that occupies space and has mass is known as what?
A: opaque",19,0
"Q: What branch of physical science looks at how heat, work, and various forms of energy are related to one another?
A: thermodynamics",30,1
"Q: Behind a ship, what is the giant rectangular bucket that is dragged along from the behind called?
A: dredge",26,1
"Q: What chemical reaction is the opposite of oxidation?
A: mutation",16,0
"Q: What substances affect the brain and influence how a person feels, thinks, or acts?
A: H2 blockers",26,0
"Q: Altitude is height above what?
A: the earth's core",17,0
"Q: How many pi bonds are found in a triple bond?
A: two",18,1
"Q: Nearly all apicomplexans are parasites of what?
A: animals",18,1
"Q: Which hormone helps cells absorb sugar from the blood?
A: estrogen",17,0
"Q: Viruses depend on what type of cells?
A: blood cells",16,0
"Q: Eggs are produced in what organs and, upon fertilization, develop in what other organ?
A: fallopian tubes, ovaries",28,0
"Q: What is the general name for the homogeneous mixture that is formed when a solute dissolves in a solvent?
A: Reaction",27,0
"Q: Line graphs are especially useful for showing changes over what?
A: time",18,1
"Q: What causes oxides to decompose?
A: humidity",13,0
"Q: What type of cells make up the epidermis of a leaf?
A: dermal cells",20,1
"Q: According to law, what must packaged foods carry?
A: nutrition facts label",19,1
"Q: Human mammary glands can produce what substance, which can be used to feed children?
A: edema",23,0
"Q: The colorless, odorless gas released when we breath is carbon dioxide. the harmful colorless, odorless gas released when matter is burned is what?
A: carbon trioxide",38,0
"Q: What kind of molecule is made from one or more long chains of amino acids?
A: protein molecule",24,1
"Q: What are organisms that depend on other living things for food?
A: consumers",19,1
"Q: The boiling point of a solution is higher than the boiling point of the pure solvent, but the opposite occurs with this?
A: freezing point",32,1
"Q: When an ionic compound dissociates in water, water molecules surround each ion and separate it from the rest of the what?
A: solid",31,1
"Q: The cytoplasm divides during what stage of the cell cycle?
A: cytokinesis",19,1
"Q: What is light with wavelengths shorter than visible light called?
A: ultraviolet light",19,1
"Q: What type of metal is a good conductor of electricity?
A: copper",18,1
"Q: Where are more of an insect's internal organs kept?
A: the abdomen",20,1
"Q: What do you get by multiplying volume by the density of water?
A: velocity of water",22,0
"Q: When electricity is passed through solid sodium it changes into what and gives off light?
A: plasma",23,0
"Q: What is the term for something in the environment that causes a reaction in an organism?
A: stimulus",24,1
"Q: Archaeans help break down sewage in waste treatment plants, so they fulfill what important role?
A: producers",25,0
"Q: What is the most abundant living thing on earth that can be found in almost any environment?
A: pests",25,0
"Q: The vas deferens and ejaculatory ducts are part of what system?
A: male reproductive system",23,1
"Q: What states that chemical reactions occur when atoms, ions, or molecules collide?
A: collision theory",23,1
"Q: Which ocean zone is the narrow strip along a coastline that is covered by water at high tide and exposed to air at low tide?
A: miniscule zone",35,0
"Q: What are the cliffs called which are created when waves erode a rocky shoreline, leaving a vertical wall of exposed rock layers?
A: shear face",32,0
"Q: How much of the soil is made of pieces of rock and minerals?
A: about half",22,1
"Q: Lacking a bony endoskeleton, sharks, rays, and ratfish belong to what group of fish?
A: invertebrates",28,0
"Q: Most thoracic vertebrae have two facets that articulate with the head of what structure?
A: rib",22,1
"Q: Soft cartilage gradually turns into hard bone through what process?
A: ossification",19,1
"Q: What travels at a rate of 300,000 kilometers per second, or nearly instantaneously?
A: light",29,1
"Q: Light-weight air-filled bones and a large four-chambered heart helps a bird do what?
A: fly",28,1
"Q: What instruments used in guidance systems to indicate directions in space must have an angular momentum that does not change in direction?
A: actuators",30,0
"Q: What type of cancer can the use of tanning beds lead to?
A: breast cancer",21,0
"Q: Joules and calories are the units of what?
A: energy and heat",19,1
"Q: Because the human body is about 70% water by mass, and liquid water has high specific heat, a great deal of what is required to change its temperature?
A: energy",41,1
"Q: Hair color and skin color are known as what?
A: traits",17,1
"Q: What type of joint are ball-and-socket, hinge, and pivot examples of?
A: movable",25,1
"Q: What part of a plant protects the plant cell, maintains its shape, and prevents excessive uptake of water?
A: chloroplasm",30,0
"Q: Snow and rain are forms of what weather?
A: precipitation",16,1
"Q: What type of energy is the energy of moving matter?
A: kinetic energy",19,1
"Q: What is a sac-like organ at the end of the esophagus?
A: appendix",21,0
"Q: What part of the kangaroo helps it balance when it leaps as well as when it sits?
A: the tail",26,1
"Q: Monosaccharides, particularly glucose, are major nutrients for what?
A: proteins",20,0
"Q: Where is the potential energy of a river the highest at?
A: the middle",20,0
"Q: What structure of a cell is enclosed by a membrane and contains most of the cell’s dna?
A: vacuole",28,0
"Q: Melting, sublimation, and evaporation absorb what from their surroundings?
A: heat",19,1
"Q: What is a copy of an image formed by reflection or refraction?
A: an image",21,1
"Q: Rubber is an example of what type of substances that do not allow electrons to move through them?
A: conductor",26,0
"Q: Where are feces formed?
A: duodenum",13,0
"Q: Certain anaerobic parabasalid species exist in the digestive tracts of termites and wood-eating cockroaches, where they contribute an essential step in the digestion of this?
A: carbonate",38,0
"Q: What are the contacts between neurons called?
A: synapses",15,1
"Q: What do you call the first cell of a new organism?
A: zygote",21,1
"Q: Generally, momentum implies a tendency to continue on course—to move in the same direction—and is associated with great mass and speed. momentum, like energy, is important because it is what?
A: conserved",46,1
"Q: Water that is lost through the skin through evaporation from the skin surface without overt sweating and from air expelled from the lungs is known as what?
A: dehydration",35,0
"Q: What occurs when an unstable nucleus emits an alpha particle and energy?
A: radar decay",21,0
"Q: Photosynthesis converts carbon dioxide and water into what?
A: insulin",17,0
"Q: Why does the fish odour diminish when you put lemon juice over cooked fish?
A: due to neutralization",24,1
"Q: What is a bread mold and research organism that also grows in the wild on burned vegetation
A: neurospora",25,1
"Q: Androgen secretion and sperm production are both controlled by hypothalamic and which other hormones?
A: pituitary",24,1
"Q: Adipose is a connective tissue made up of cells called what?
A: keratinocytes",21,0
"Q: The amniotic sac is attached to what?
A: placenta",16,1
"Q: What molecule is made of two hydrogen atoms and one oxygen atom?
A: Oxygen",20,0
"Q: An unknown genotype can be determined by observing what, the term for characteristics of the resulting offspring?
A: abnormalities",26,0
"Q: What is a homogeneous mixture also known as?
A: structure",16,0
"Q: What is the name of artificial barriers that people build to protect shorelines?
A: seawalls",24,0
"Q: What does the vertebral column , or backbone, protect?
A: spinal cord",19,1
"Q: Since europeans settled in the united states, about what percentage of topsoil has eroded away?
A: 42 percent",28,0
"Q: What is the leading cause of soil erosion?
A: tidal winds",17,0
"Q: Boiling points increase with which kind of mass?
A: lipid mass",17,0
"Q: The first line of defense includes mechanical, chemical, and which other barrier?
A: biological",22,1
"Q: Which types of compounds are more likely to burn easily?
A: covalent",18,1
"Q: What energy, produced by vibrations, cannot travel through empty space?
A: light",20,0
"Q: Microfilaments are mostly concentrated just beneath what?
A: the nucleus",18,0
"Q: Different feeding ""positions"" in a food chain or web are associated with what kinds of levels?
A: trophic",26,1
"Q: What are the three types of rocks?
A: igneous, sedimentary, mixed",19,0
"Q: In hornworts, the horns are the sporophytes that rise up from what?
A: the leaflike gametophyte",30,1
"Q: Where do most of the digestion reactions occur?
A: liver",16,0
"Q: What structures receive blood from the atria and pump it out of the heart?
A: ventricles",24,1
"Q: How much unpolarized light does a polarized filter block?
A: 50%",21,1
"Q: What are gemstones known as when light cannot pass through them?
A: inorganic",19,0
"Q: Coxal glands collect liquid waste from what?
A: lungs",16,0
"Q: Which cycle tracks the flow of nitrogen through an ecosystem?
A: nitrogen cycle",19,1
"Q: What is the way animals act either alone or with other animals called?
A: animal behavior",22,1
"Q: The roughness of interacting surfaces and the magnitude of force pushing one object onto another are two factors related to what force?
A: energy",30,0
"Q: What effect does tamiflu have on viruses and cells?
A: inhibits spread of virus",22,1
"Q: What are the light highlands of the moon called?
A: mariae",18,0
"Q: The two complementary strands of what are separated, much like unzipping a zipper, in the initiation phase?
A: dna",29,1
"Q: The rising and sinking of these can cause precipitation?
A: underwater currents",18,0
"Q: What is rusting an example of?
A: radiation change",16,0
"Q: The entry of acidic chyme into the duodenum stimulates the release of what?
A: secretin",24,1
"Q: What is the diversity of living things called?
A: biodiversity",16,1
"Q: Internal functions are coordinated and regulated so that the internal environment of a living thing is relatively constant, referred to as what?
A: homeostasis",31,1
"Q: What makes up the dense outer layer of bones?
A: marrow",17,0
"Q: In the lungs, oxygen diffuses out of the alveoli and into where?
A: blood",23,0
"Q: What type of stress causes horizontal motions in strike-slip faults?
A: shear",20,1
"Q: Graphite is a form of elemental carbon what is another form?
A: diamond",19,1
"Q: What is a fluid-filled body cavity that is completely enclosed by mesoderm called?
A: coelom",25,1
"Q: What is the state of matter that resembles a gas but has certain properties that a gas does not have called?
A: liquid",29,0
"Q: What is the term for evolution over geologic time above the level of the species?
A: mutation",23,0
"Q: Quantities have two parts: the number (how many) and what else?
A: the motion",23,0
"Q: Which acids provide the molecular blueprints for all proteins produced in living systems?
A: nucleic acids",22,1
"Q: What causes light to refract?
A: speeding up",15,0
"Q: Which pathway carries somatosensory information from the face, head, mouth, and nasal cavity?
A: trigeminal pathway",29,1
"Q: What does blood pickup from the lungs to be carried throughout the rest of the body?
A: carbon",24,0
"Q: What are complex organic molecules that make up cells?
A: proteins",17,1
"Q: All solutions contain at least how many substances?
A: two",16,1
"Q: The electrochemical potential across a membrane determines the tendency of an ion to do what?
A: attach to the membrane",26,0
"Q: What do you call compounds that have covalent bonds?
A: covalent compounds",18,1
"Q: What class of animals have four limbs and produce amniotic eggs?
A: reptiles",20,0
"Q: Bilaterally symmetrical animals have both dorsal and what type of sides?
A: ventral",20,1
"Q: What is the term for a technique used to separate out homogeneous mixtures in which one or more solids are dissolved in a liquid?
A: evaporation",32,1
"Q: The two main fundamental particles that make up neutrons are quarks and what else?
A: gluons",23,1
"Q: Systemic communication through the phloem helps integrate the functions of the whole what?
A: bird",22,0
"Q: X rays and what other type of electromagnetic wave has the shortest wavelengths and the highest frequencies?
A: ultraviolet rays",26,0
"Q: What term describes how closely packed the particles of matter are?
A: density",19,1
"Q: What is the basic chemical building block of matter; it is the simplest chemical substance?
A: element",24,1
"Q: What is the name for the energy required for an electron to be added to a neutral atom in its gaseous form?
A: electron affinity",31,1
"Q: What is usually the prey of a protist?
A: pathogens",17,0
"Q: In vertebrates, ovipary, ovovivipary, and vivipary are different strategies for what vital process?
A: reproduction",31,1
"Q: The fossil record shows that this type of event is followed by the evolution of new species to fill the habitats where old species lived?
A: minor extinction",34,0
"Q: What is the sum of the massess of the atoms in a molecule?
A: underlying mass",23,0
"Q: What type of pollution comes from sewage, storm drains, septic tanks, boats, and runoff from yards?
A: collective",28,0
"Q: A changing magnetic field produces an electric current in what?
A: matter",18,0
"Q: The enzyme pepsin plays an important role in the digestion of proteins by breaking down intact protein to what short-chain amino acids?
A: protons",33,0
"Q: Lampreys use their sucker to feed on what part of other fish species?
A: heart",22,0
"Q: What type of treatment is necessary for anaphylaxis?
A: outpatient",17,0
"Q: With codominance, both alleles are expressed equally in what?
A: homozygotes",22,0
"Q: What type of fatty acids have bent chains?
A: cholesterol",16,0
"Q: What is the principal cell of connective tissues?
A: organism",16,0
"Q: During which process in bacteria do the chromosome replicates and the two daughter chromosomes actively move apart?
A: binary fission",26,1
"Q: What organ breaks down excess amino acids and toxins in the blood?
A: kidney",20,0
"Q: Where do most of the digestion reactions occur?
A: liver",16,0
"Q: Where are sperm produced in the process of spermatogenesis?
A: testes",18,1
"Q: How many stomach compartments do ruminants have?
A: four",16,1
"Q: Membranes will become increasingly what as temperatures rise?
A: fluid",17,1
"Q: Because core electrons are closer to the nucleus, they are not involved in what?
A: bonding",23,1
"Q: When we consider a chemical reaction, we need to take into account both the system and what?
A: sorroundings",28,1
"Q: The major fuel for the brain is which carbohydrate?
A: glutamate",17,0
"Q: The limit to how much solute will dissolve in a given amount of solvent is called what?
A: density",25,0
"Q: Culprits in the common cold and aids, what infectious agents are far smaller and simpler than bacteria?
A: poisons",27,0
"Q: What type of virus can cause painful sores on the mouth and genitals?
A: Aids",21,0
"Q: What are the two major atmospheric gases?
A: nitrogen and oxygen",17,1
"Q: What type of thin lava forms shapes and tubes as it flows?
A: pāhoehoe",22,1
"Q: What term describes the application of knowledge to real-world problems and is practiced by engineers?
A: technology",25,1
"Q: Where are feces formed?
A: duodenum",13,0
"Q: What is the unique larval form of mollusks called?
A: scallop",18,0
"Q: What kind of behavior occurs only after experience or practice?
A: memory",18,0
"Q: White blood cells called what travel to areas of the body that are inflamed?
A: platelets",22,0
"Q: Which measure indicates the number of electrons in a given sublevel?
A: subscripts",21,0
"Q: In science, anything that has mass and volume is considered what?
A: renewable",20,0
"Q: The average number of individuals per unit of area or volume is referred to as a population's what?
A: density",28,1
"Q: The ileocecal valve, a sphincter, is usually in a constricted state, but when motility in the ileum increases, this sphincter relaxes, allowing food residue to enter the first portion of what?
A: small intestine",51,0
"Q: What can be used to determine the mass of a quantity of material?
A: gravitational mass",22,0
"Q: An image that is double the size of the object would have what?
A: stimulation",21,0
"Q: Water and many metals are materials that have low resistance to electric currents and are therefore known as what?
A: radioactive",27,0
"Q: What is oceanography the study of?
A: bodies of water",17,0
"Q: Changes in the color of the statue of liberty owe to oxidation-reduction reactions, or what simpler term?
A: copper",28,0
"Q: What controls every aspect of plant growth and development to some degree?
A: hormones",20,1
"Q: What is the term for how close a measurement is to the true value?
A: accuracy",22,1
"Q: What type of organism has many different specialized cells that work together to carry out life processes?
A: multicellular organism",27,1
"Q: What does the urethra do?
A: carries urine and sperm out of the body",20,1
"Q: What kind of bonds, where electrons are transferred rather than shared, are considered the ultimate in polarity?
A: ionic bonds",28,1
"Q: What type of properties are characteristics that describe matter?
A: visible",17,0
"Q: Pathogens infect many animals and are agents of what?
A: drought",18,0
"Q: Any structure inside a cell that is enclosed by a membrane is called?
A: an article",22,0
"Q: The entropy is decreasing because a gas is becoming a what?
A: liquid",19,1
"Q: What are the catalysts that occur naturally in living organisms and are primarily protein molecules?
A: enzymes",23,1
"Q: What are compounds with the same number of carbon and hydrogen atoms called?
A: isomers",21,1
"Q: In hornworts, the horns are the sporophytes that rise up from what?
A: the leaflike gametophyte",30,1
"Q: When referring to genes, what term describes the property of having multiple phenotypic effects?
A: pleiotrophy",25,1
"Q: What type of light can mosquitoes see?
A: trichina",16,0
"Q: What is a prerequisite for fertilization to take place in plants?
A: pollination",19,1
"Q: When fuel is burned most of the energy is released as what?
A: heat",20,1
"Q: Spinal cord injuries are notoriously difficult to treat because spinal nerves do not do what?
A: regenerate",23,1
"Q: The white fluffy part of popcorn is also what?
A: phosphor",18,0
"Q: What are sensory cells?
A: specialized neurons or epithelial cells",16,1
"Q: What are the only regions of space that electrons can occupy?
A: orbits",19,1
"Q: What contain organelles common to other cells, such as a nucleus and mitochondria, and also have more specialized structures, including dendrites and axons?
A: follicles",35,0
"Q: Which system carries out long-distance transport of materials between the root and shoot systems?
A: circulatory tissue system",26,0
"Q: What determines the strength of a base when dissolved in water?
A: amount of phosphorus ions produced",23,0
"Q: How can you prevent your ice cream from getting a sandy texture?
A: by using fructose",22,1
"Q: Fungi absorb nutrients from the environment through what?
A: spores",16,0
"Q: What is the term for the distance between two corresponding points on adjacent waves?
A: arc wave",23,0
"Q: Venus rotates slowly in a direction opposite to the direction of what?
A: the Earth's orbit",24,0
"Q: What is the term for the simplest form of matter that has a unique set of properties?
A: an electron",26,0
"Q: What measure is resorted to by people who wish to screen out genetic abnormalities in the fetus?
A: contraceptive use",26,0
"Q: What is the outer layer of the sun made up of?
A: oxygen",19,0
"Q: What is polyisoprene better known as?
A: rayon",16,0
"Q: Typically done to find food or mates, what do you call the regular movement of individuals or populations each year during certain seasons?
A: emmigration",33,0
"Q: A solute generally does what to the freezing point of a solvent?
A: regulates it",21,0
"Q: What type of waves are the slowest of all seismic waves?
A: surface waves",20,1
"Q: Chloroplasts, chromoplasts, and leucoplasts are all plastids, organelles found in what kind of cells?
A: plant cells",31,1
"Q: The nervous system is made up of these?
A: neurons",16,1
"Q: What elements have the highest attraction for electrons?
A: nonmetals",17,1
"Q: Visible light is the narrow segment of what, to which the normal human eye responds?
A: molecular spectrum",25,0
"Q: In what organ does pepsin help break down proteins?
A: stomach",18,1
"Q: What type of mammals are characterized by detailed development of the hands and feet, a shortened snout, and a large brain?
A: apes",31,0
"Q: With what does cytokinins act in concert to stimulate cell division and influence the pathway of differentiation?
A: dna",27,0
"Q: When sand is deposited along a shoreline, what is created?
A: beach",19,1
"Q: Bases are ionic compounds consisting of hydroxide ions and a what?
A: cation",19,1
"Q: What is the third male reprodutive structure after the penis and testes?
A: clitoris",23,0
"Q: Where does the heartbeat originate in vertebrates?
A: the heart",16,1
"Q: What is the amount of moisture in the atmosphere?
A: static",17,0
"Q: Plant cells have structures that animal cells?
A: lack",15,1
"Q: What sorts of collisions do not result in an overall loss of kinetic energy?
A: elastic",22,1
"Q: Soil forms where land areas are what?
A: merging",15,0
"Q: When the ventricles begin to contract, pressure within the ventricles rises and blood flows toward the area of lowest pressure, which is initially in the atria. this backflow causes the cusps of the tricuspid and mitral (bicuspid) valves to close. these valves are tied down to the papillary muscles by these?
A: chollphyide tendineae",81,0
"Q: Which organ breaks down amino acids and toxins that are in the blood?
A: liver",21,1
"Q: What type of solvents is glucose insoluble in?
A: nonpolar",17,1
"Q: Which plants sometimes colonize areas by disrupting interactions between native organisms?
A: invasive exotic plants",22,1
"Q: When a glacier no longer moves, what is it called?
A: an ice sheet",21,1
"Q: What can be classified as monoprotic or polyprotic based on the number of acidic hydrogens they contain?
A: ions",30,0
"Q: What part of the brain controls body position, coordination, and balance?
A: cerebrum",22,0
"Q: How do basal mammals like monotreme reproduce?
A: cloning",16,0
"Q: What term tells you how quickly the angle changes and can occur in either clockwise or counterclockwise directions?
A: emit velocity",28,0
"Q: One of the earliest air pumps was made by?
A: robert boyle",19,1
"Q: What serves as the control center of the nervous system?
A: spine",18,0
"Q: What does a hydrolase use to split molecules?
A: water",17,1
"Q: What is the term for a dynamic equilibrium that is maintained in body tissues and organs?
A: homeostasis",24,1
"Q: What do solar cells convert the energy in sunlight into?
A: electrical energy",19,1
"Q: What occurs when the presence or absence of a specific behavior prevents reproduction from taking place?
A: spontaneous mutation",25,0
"Q: Where does electric power originate?
A: the Sun",14,0
"Q: What type of receptors, also known as intracellular or cytoplasmic receptors, are found in the cytoplasm of the cell and respond to hydrophobic ligand molecules that are able to travel across the plasma membrane?
A: external",44,0
"Q: Chromosomes further condensed in which stage?
A: diakinesis stage",17,1
"Q: Along with dna, what is the other main type of nucleic acid?
A: rna",22,1
"Q: What term is used to describe the way that animals interact with each other or their environment?
A: animal magnetism",26,0
"Q: The intensity or rate of radiation emission _________  with temperature?
A: randomly fluctuates",21,0
"Q: Which system carries out long-distance transport of materials between the root and shoot systems?
A: circulatory tissue system",26,0
"Q: What term refers to change in position over time?
A: Position Replacement",18,0
"Q: What is the movement of fluid out of the capillaries called?
A: diffusion",19,0
"Q: What helps the plasma membrane keep its shape?
A: molecules of cholesterol",18,1
"Q: What is the ability of a material to return to its original shape after being stretched or compressed?
A: acidity",26,0
"Q: Enzymes in saliva help bread down and digest what?
A: starches and fats",20,1
"Q: Scientists ask questions, and then make detailed observations to try to ask more specific questions, in order to develop what?
A: hypothesis",30,1
"Q: How many protons do all atoms of a particular element have in their nuclei?
A: varying number",23,0
"Q: In the universe as a whole, what is the most common element?
A: helium",21,0
"Q: Skeletal muscles must work in pairs to move bones back and forth at a joint because they can only do what?
A: vibrate",29,0
"Q: What directs the amino acids to be introduced into the growing protein chain in the proper sequence?
A: rna template",27,1
"Q: When does diseases like alzheimer's become more common?
A: toddler",19,0
"Q: What do you call a mirror shaped like the inside of a bowl?
A: concave",21,1
"Q: In fact, when sitting in the sun, many ectothermic lizards have higher body temperatures than what?
A: carnivores",29,0
"Q: If a unit is named after a person it needs to be?
A: capitalized",20,1
"Q: The waste of cows releases a lot of which type of gas?
A: methane",20,1
"Q: What forms when crystals precipitate out from a liquid?
A: chemical sedimentary rocks",19,1
"Q: A small scale version of what type of map displays individual rock units?
A: geologic map",22,1
"Q: An solid object with an irregular shape can be measured via what method?
A: radiation",21,0
"Q: Extensive and intensive are categories of properties that apply to what?
A: matter",19,1
"Q: Stimuli in the brain, stomach, and small intestine activate or inhibit production of what secretion?
A: gastric juice",27,1
"Q: What force holds together both types of star clusters?
A: gravity",17,1
"Q: While most mammals give birth to live young, monotremes can do what?
A: lay eggs",24,1
"Q: Does water get colder or warmer the deeper you go?
A: colder, than warmer",21,0
"Q: What is another name for a radioactive isotope?
A: nono particle",18,0
"Q: What is responsible for the development of antibiotic-resistant strains of bacteria?
A: mosquitoes",21,0
"Q: What is name for a piece of collagen-rich skin formed after the process of wound healing that differs from normal skin?
A: scar",31,1
"Q: Illnesses caused by bacteria in food are commonly known as what?
A: chemical poisoning",21,0
"Q: What process refers to the conversion of atmospheric nitrogen to ammonia?
A: biological nitrogen fixation",21,1
"Q: Saliva can carry the hiv virus, but it won't spread it, unless the saliva gets into what?
A: lungs",30,0
"Q: What shape rash is formed from a skin infection caused by trichophyton?
A: striped",22,0
"Q: What is a prerequisite for fertilization to take place in plants?
A: pollination",19,1
"Q: Hfcs are used as a replacement for what?
A: cfcs",19,1
"Q: What is the term for the study of how living things interact with each other and with their environment?
A: ecology",27,1
"Q: What happens to growth of plants and bacteria in warmer regions?
A: they mutate",20,0
"Q: In prokaryotes, what are the regions called that repressors bind to?
A: operators",22,1
"Q: An endocrine disease usually involves the secretion of too much or not enough of what?
A: enzyme",23,0
"Q: What occurs when the immune system is not working properly?
A: allergy",18,0
"Q: What type of traits are features that are passed from one generation to the next called?
A: inherited traits",25,1
"Q: What affects how high a cake rises when it bakes?
A: air currents",20,0
"Q: What is the germ for a group of atoms within a molecule that reacts similarly anywhere it appears in different compounds?
A: functional group",30,1
"Q: What consists of all the living things and nonliving things interacting in the same area?
A: ecosystem",24,1
"Q: What factor other than genes is important in determining adult height?
A: nutrition",19,1
"Q: During the typical human female ovulation cycles, how many eggs are released?
A: four",21,0
"Q: A plant that forms special tissues for storing water in an arid climate is an example of the plant evolving what?
A: adaptations",29,1
"Q: Ordinary table salt is called what?
A: sodium chloride",15,1
"Q: What is the reaction called when an acid and a base react?
A: neutralization",20,1
"Q: Polymers, ceramics, adhesives, coatings, and liquid crystals are examples of materials recently discovered or developed by what type of scientists?
A: chemists",32,1
"Q: What type of cells are multiple small spaces located in the right and left sides of the ethmoid bone?
A: alveoli",29,0
"Q: Heat, electricity, or light might provide what necessary input to the process of decomposition?
A: source",24,0
"Q: All photosynthetic organisms contain a pigment called what?
A: chlorophyll",16,1
"Q: What tissue consists of cells that form the body’s structure?
A: reproductive",20,0
"Q: Simple eyes, like the human eye, have how many lenses?
A: two",20,0
"Q: What is the process that breaks down rocks into smaller pieces?
A: weathering",19,1
"Q: What branch of science offers an overview of the physiology of humans?
A: marine biology",21,0
"Q: What do fish have that allow them to “breathe” oxygen in water?
A: lungs",22,0
"Q: Many viral diseases can be prevented by giving people what?
A: vaccines",18,1
"Q: What is released from the body during ejaculation?
A: saliva",17,0
"Q: The rise in greenhouse gases has what effect on the temperature of earth?
A: no effect",22,0
"Q: What organ do we use to hear sound?
A: the ear",17,1
"Q: What do extensive properties depend on the amount of?
A: experimental controls",18,0
"Q: What layer high in the atmosphere protects living things from most of the sun’s harmful uv rays?
A: Mesosphere",28,0
"Q: What is made up of organisms of the same species that live in the same area?
A: countries",24,0
"Q: How do they classify tornadoes?
A: wind speed",14,1
"Q: What happens to neutral matter when electrons are transferred between objects?
A: osmosis",19,0
"Q: The reverse process of moving material into a cell is the process of what?
A: endocytosis",23,0
"Q: Narrowing of the arterioles causes an increase of what upstream in the arteries?
A: blood pressure",24,1
"Q: What process of gradual change is the source of diversity of life on earth?
A: evolution",22,1
"Q: What is the age-related disorder that causes the gradual loss of bone density and strength?
A: mitosis",25,0
"Q: What large dwarf planet in our solar system was only discovered in 2005?
A: eris",26,1
"Q: A problem with using food chains to describe ecosystems is that some organisms can feed on or be consumed by species from more than one of what level?
A: biome level",37,0
"Q: On what basis are lipoproteins classified?
A: diameter",15,0
"Q: The rising and sinking of these can cause precipitation?
A: underwater currents",18,0
"Q: Primary alcohols are oxidized to form what?
A: aldehydes",16,1
"Q: What type of ionic compound is formed from acid and bases reacting with each other?
A: salt",23,1
"Q: Name the process that produces many copies of a certain gene.
A: gene cloning",20,1
"Q: Gaseous nitrogen is converted into forms that can be used by plants during a process called what?
A: nitrogen fixation",27,1
"Q: Each silicon atom shares how many valence electrons with other silicon atoms in a crystal?
A: four",23,1
"Q: Dispersal occurs only on what time scale?
A: regular",17,0
"Q: What help should you use for disposing hazardous products?
A: guidelines on label",19,1
"Q: Which metal is not a solid even at room temperature?
A: iron",18,0
"Q: The bottoms—but not the tops—of the wave slow down because of what?
A: friction",24,1
"Q: What is most often the cause of encephalitis?
A: parasites",16,0
"Q: What unit of measurement is typically used for rainfall?
A: gallons",17,0
"Q: What property of carbon and other elements can be used to date fossils and rocks, among other things?
A: mass",27,0
"Q: What are the two factors that affect the pressure of fluids?
A: depth and density",21,1
"Q: What measurement is used to describe the amount of water vapor in the air?
A: humidity",22,1
"Q: Pressure is defined as the force per unit area on?
A: surface",18,1
"Q: What are biofilms resistant to many common forms of?
A: sterilization",18,1
"Q: As ph increases what happens to a solution?
A: becomes less basic",18,0
"Q: In physics, what do you call devices that make work easier?
A: circuits",20,0
"Q: When matter changes into an entirely different substance with different chemical properties, what has occurred?
A: chemical change",25,1
"Q: How many pairs of upper jaws do insects have?
A: four pairs",18,0
"Q: What do we call water that has been used for cleaning, washing, flushing, or manufacturing?
A: wastewater",26,1
"Q: What phase exists when all the water in a container has physical properties intermediate between those of the gaseous and liquid states?
A: supercritical fluid",32,1
"Q: What did darwin call the evolutionary concept of change in populations over generations?
A: formation with modifications",24,0
"Q: Tropical, temperate, continental, and polar are all examples of what?
A: climates",21,1
"Q: Plants face two types of enemies: herbivores and what else?
A: pathogens",20,1
"Q: What is a device that changes kinetic energy to electrical energy through electromagnetic induction?
A: an electric generator",24,1
"Q: How did lamarck believe species change over time?
A: became larger",18,0
"Q: What force is caused by microscopic bumps, lumps, and imperfections colliding?
A: friction",21,1
"Q: In vertebrates, ovipary, ovovivipary, and vivipary are different strategies for what vital process?
A: reproduction",31,1
"Q: During mitosis what is replicated in the primary spermatocyte?
A: mitochondira",21,0
"Q: What do you call the slope that forms the edge of the continent?
A: the land slope",23,0
"Q: Weight is a measure of what force pulling down on an object?
A: light",20,0
"Q: What do scientists believe are the oldest eukaryotes?
A: protists",18,1
"Q: What process provides over 99 percent of the energy for life on earth?
A: photosynthesis",23,1
"Q: In their pure form, all elements have an oxidation number of what?
A: zero",21,1
"Q: What is the name for the pores in leaves that allow a plant to retain water or exchange gases?
A: neurons",27,0
"Q: What type of earthquake creates a tsunami?
A: underwater",15,1
"Q: In a monogamous pairing, a male individual is generally paired with what other type of individual in a sexual relationship?
A: female",30,1
"Q: What of most species are resistant cells that can survive harsh conditions?
A: zygotes",22,1
"Q: Which pollution can cause lung cancer and can also make asthma and other diseases worse?
A: air pollution",24,1
"Q: Are coral reefs found in warm or cold water?
A: warm",17,1
"Q: The leaf chameleon (brookesia micra) was discovered in northern madagascar in 2012. at just over one inch long, it is what?
A: smallest known chameleon",42,1
"Q: Do most substances increase or decrease in size when they change from a liquid to a solid?
A: decrease",25,1
"Q: Frogs and toads, salamanders and newts, and caecilians are the three orders of what group of animals?
A: amphibians",32,1
"Q: The pull of the moon’s gravity on earth is the main cause of what water phenomenon?
A: storms",26,0
"Q: Food is chemical energy stored in what?
A: typical molecules",16,0
"Q: Beaches and deserts collect large deposits of what?
A: sand",16,1
"Q: Homes and transportation use what percent of all energy in the u.s.?
A: half (fifty)",25,1
"Q: What is the process by which a liquid changes to a solid?
A: melting",20,0
"Q: Both oxygen and glucose are transported within the body via what?
A: blood",19,1
"Q: What type of energy of a system is the sum of the kinetic and potential energies of its atoms and molecules?
A: internal energy u",31,1
"Q: What equals the mass of the object (in kilograms) times the acceleration due to gravity (9.8 m/s 2 )?
A: speed of light",37,0
"Q: The capsid is made from the what that are encoded by viral genes within their genome?
A: lipids",25,0
"Q: The roots of a plant take in nutrients and what vital substance?
A: water",20,1
"Q: What also receives input from other areas of the forebrain through the medial forebrain bundle?
A: hypothalamus",25,1
"Q: What takes place when water on earth’s surface changes to water vapor?
A: condensation",22,0
"Q: Because force and electric field are what, they have direction as well as their value?
A: sensors",24,0
"Q: Organisms that obtain food from outside themselves (i.e. they don't make their own food) are known as what?
A: autotrophs",35,0
"Q: What is the term for  a loop in which a product feeds back to control its own production?
A: feedback mechanism",28,1
"Q: Sodium is an example of what sort of thing that cannot exist by itself in nature?
A: element",24,1
"Q: The ends of linear chromosomes are maintained by the action of which enzyme?
A: cytokine",21,0
"Q: What neurotransmitter is associated with the fight-or-flight response?
A: adrenaline",21,1
"Q: Met, asn, trp, and gln connect together like beads on a necklace and are an example of what type of acids?
A: amino acids",35,1
"Q: What type of seed-bearing structure of a flowering plant usually develop into?
A: fruit",22,1
"Q: What kind of weather change do la nina years usually bring?
A: heat",19,0
"Q: The community of all of the living and nonliving parts of an environment is known as what?
A: ecosystem",26,1
"Q: A mold is an imprint of an organism left in what?
A: magma",19,0
"Q: How are voltmeters placed in the circuit?
A: in parallel",17,1
"Q: What is the most abundant type of biological entity on the earth?
A: viruses",20,1
"Q: What is the plasma membrane formed by?
A: a cytoplasm bilayer",18,0
"Q: Transport of water and solutes in plants water potential is a measure of the difference in potential energy between a water sample and this?
A: green water",34,0
"Q: What term refers to an animal that sleeps during the day and is active at night?
A: diurnal",24,0
"Q: In what human organ system would you find live e. coli bacteria?
A: digestive system",22,1
"Q: What type of isotopes have short half-lives and are given in very low doses?
A: radioisotopes",26,1
"Q: Adult bees include workers, a queen and what other type?
A: drones",19,1
"Q: What is the term for diseases in which blood does not clot normally?
A: arthritis",21,0
"Q: What is sulfur trioxide dissolved in to form sulfuric acid?
A: water",19,1
"Q: Which process or force pulls rocks apart?
A: tactile stress",16,0
"Q: Phytochromes regulate many plant responses to what?
A: light",17,1
"Q: A single amino acid substitution in hemoglobin leads to what disease?
A: sickle cell anemia",21,1
"Q: What parts of comets make them easy to see?
A: comas and tails",20,1
"Q: What part of the cell helps it keep its shape?
A: cytoskeleton",19,1
"Q: What distinctive configuration of dna demonstrates the base-pairing nature of the bases?
A: single helix",23,0
"Q: What is the part of the shadow that is partially lit called?
A: eclipse",20,0
"Q: What is the term for the amount of space taken up by an object?
A: mass",22,0
"Q: Around 97% of all water on earth is what type of water?
A: salt water",24,1
"Q: What are the building blocks of peptides?
A: amino acids",16,1
"Q: For what purpose does liver use the excess carbohydrate?
A: process sugar",18,0
"Q: What substance causes oxidation by accepting electrons?
A: oxidizing agent",16,1
"Q: Eight of the hottest years on record have occurred since what year?
A: 1998",24,1
"Q: Regularly performing weight-bearing exercise can reduce the risk of what condition that affects bones?
A: osteoporosis",24,1
"Q: What makes and stores pigments that give petals and fruit their orange and yellow colors?
A: chromoplasts",24,1
"Q: In a liquid, the particles are still in close contact, so liquids have a definite what?
A: volume",26,1
"Q: Cold sores, influenza, and the common cold are all?
A: digestive infections",20,0
"Q: Lodgepole cones remain closed until exposed to what?
A: predators",17,0
"Q: A small scale version of what type of map displays individual rock units?
A: geologic map",22,1
"Q: What state of matter completes the list: solid, liquid, gas?
A: plasma",21,1
"Q: What are the two types of endoplasmic reticulum?
A: rough & smooth",19,1
"Q: Because atoms have equal numbers of positive protons and negative electrons, what kind of electric charge do they possess?
A: neutral",28,1
"Q: What does all matter consist of?
A: atoms",14,1
"Q: What types of glands do only female mammals have?
A: pituitary",17,0
"Q: The two general functions of roots in plants are to anchor and to do what else?
A: generate",24,0
"Q: When do weather balloons return to earth?
A: when it bursts",17,1
"Q: The force that blood exerts upon the walls of the blood vessels or upon the chambers of the heart is known as blood what?
A: pressure",32,1
"Q: What is it called when plant roots absorb liquid water and release water vapor into the atmosphere?
A: sedimentation",25,0
"Q: What type of device do scientist use to determine wind speed?
A: anemometer",21,1
"Q: What are the only organisms that can perform photosynthesis?
A: sponges",17,0
"Q: Plant cuttings are an example of what type of reproduction?
A: homosexual",18,0
"Q: The sporophyte phase is the longest phase in the life of what?
A: echinoderm",23,0
"Q: What is the term for an expression showing the relationship of the reaction rate to the concentrations of each reactant?
A: decay law",29,0
"Q: What is the name for the term that describes deep ocean water rising the surface?
A: percolating",24,0
"Q: What is a condition in which a material called plaque builds up inside arteries?
A: atherosclerosis",22,1
"Q: In multicellular organisms, specialized cells may be organized into what, which in turn may be organized into organs?
A: tissues",29,1
"Q: Unlike the cells of plants and fungi, animal cells lack what?
A: mitochondria",20,0
"Q: Maltose, lactose, and sucrose are common types of what, which are distinguished by their monosaccharide constituents?
A: disaccharides",30,1
"Q: What shapes, supports, and protects the cell?
A: the epithelium",18,0
"Q: What is a network solid and consists of carbon atoms covalently bonded to one another in a repeating three-dimensional pattern?
A: a zirconium",32,0
"Q: In plants and algae, photosynthesis takes place in which organelles?
A: stems",19,0
"Q: What magnetism is produced by electricity?
A: electromagnetism",15,1
"Q: Organs of what male biological system include the penis, testes, and epididymis?
A: immune system",25,0
"Q: Temperature can be defined as the average of what type of energy of the molecules?
A: kinetic",23,1
"Q: A turbine using tides in the ocean can create what type of energy?
A: electricity",21,1
"Q: What colorful phenomenon occurs in the northern sky when particles from the sun energize ions in the thermosphere?
A: meteor shower",29,0
"Q: Which body system releases hormones that act on target cells to regulate development, growth, energy metabolism, reproduction, and many behaviors?
A: pituitary",32,0
"Q: What weather phenomenon can raise sea level as much as 25 feet when low pressure pulls water upward?
A: storm surge",29,1
"Q: What are the two types of vesicle transport called?
A: endocytosis and exocytosis",21,1
"Q: What are the pyramid-shaped, paired organs that are connected to the trachea by the right and left bronchi?
A: lungs",30,1
"Q: The brain and spinal cord are part of what system?
A: cardiovascular system",19,0
"Q: How many different main types of diabetes are there?
A: two",17,1
"Q: What type of blood vessels carry blood away from the heart?
A: Heart",19,0
"Q: A diver's air bubbles increase in size as he approaches the surface because what decreases?
A: water pressure",26,1
"Q: What arteries carry oxygen-poor blood away from the heart to the lungs?
A: subclavian",24,0
"Q: Acidity is measured by what physical property?
A: kω",17,0
"Q: What is the minimum number of loops a circuit can have?
A: 1",20,1
"Q: An electric transformer connects two circuits with an iron core that becomes what?
A: inductive",21,0
"Q: What do you call chemical reactions that take place inside living things?
A: contaminated reactions",21,0
"Q: What is the area where an electron is most likely to be found called?
A: neutron",22,0
"Q: What is a layer of saturated porous rock?
A: an aquifer",17,1
"Q: The shape of a virus is determined by the type and arrangement of proteins in its what?
A: enamel",25,0
"Q: What is the science that describes the ancestral and descendant connections between organisms?
A: experimentally",21,0
"Q: What do you call a group of cells of the same kind that performs the same function?
A: tissue",25,1
"Q: Renal plasma flow equals the blood flow per minute times the what?
A: erythrocytes",20,0
"Q: What type of waves start when a source of energy causes a disturbance in the medium?
A: fluid waves",25,0
"Q: The enteric nervous system provides intrinsic innervation, and the autonomic nervous system provides this?
A: arise innervation",27,0
"Q: What is the ability to be attracted by a magnet and to act as a magnet?
A: magnetism",24,1
"Q: What is name of the phenomenon where similar traits evolve independently in species that do not share a common ancestry?
A: convergent evolution",29,1
"Q: What serves as the control center of the nervous system?
A: spine",18,0
"Q: What is the greatest contribution of arthropods to human food supply?
A: pollination",20,1
"Q: How many valence electrons can be found in a carbon atom?
A: four",19,1
"Q: What is the term for the shallow space above the zygomatic arch in a skull?
A: angular fossa",26,0
"Q: What do you call egg-shaped galaxies, which are reddish to yellowish in color because they contain mostly old stars?
A: elliptical galaxies",31,1
"Q: What type of plant is the dominant group of land plants?
A: grass plants",20,0
"Q: Does deforestation increase or decrease carbon dioxide levels around the world?
A: increase",19,1
"Q: Momentum is a vector quantity that has the same direction as what?
A: object ' s velocity",23,1
"Q: Our global ecological footprint depends on resource use per person and what population factor?
A: population fluctuation",23,0
"Q: What is approximately the average stroke volume in humans?
A: 70 ml",20,1
"Q: The combined magnetic force of the magnetized wire coil and iron bar makes an electromagnet what?
A: very reduced",27,0
"Q: What blood pressure reading measures the pressure in the vessels between heartbeats?
A: metabolic",21,0
"Q: What kind of process occurs without the need for a continual input of energy from some external source?
A: Decay Process",27,0
"Q: What is another term for the parabolic motion of a thrown object?
A: projectile motion",21,1
"Q: Like the other outer planets, neptune has rings of ice and what?
A: dust",22,1
"Q: What occurs when there are differences in fitness among a population?
A: natural selection",20,1
"Q: Loss of energy is the reason that what typically has few levels?
A: food chain",21,1
"Q: Storm surge is very high water located in the low pressure eye of what?
A: hurricanes",22,1
"Q: What disease refers to the dangerous buildup of fatty materials in blood vessels?
A: atherosclerosis",21,1
"Q: Because action potentials are so brief, a neuron can produce hundreds per what?
A: day",22,0
"Q: The outer planets are made of hydrogen and helium, so they are termed what?
A: hydrogen giants",24,0
"Q: Which group of species is defined as having moist skin without scales?
A: fish",20,0
"Q: In eukaryotes, the cell cycle consists of a long preparatory period, called __________ before undergoing cell division.
A: interphase",29,1
"Q: How many pairs of chromosomes are in the human genome?
A: 21",20,0
"Q: What type of animals are known for being playful and frisky?
A: cows",20,0
"Q: What classification system was developed by a swedish botanist trying to classify all known living things?
A: linnaean system",27,1
"Q: Video and audio signals are broadcast on these?
A: electromagnetic waves",17,1
"Q: Sympathetic stimulation also triggers the release of epinephrine and norepinephrine, which enhance both cardiac output and what else?
A: vasoconstriction",32,1
"Q: What is the climate of a small area called?
A: microclimate",18,1
"Q: What is the order and family of a meat-eating cat like a tiger?
A: Synapsida felidae",27,0
"Q: What are long living plasma cells called?
A: memory cells",16,1
"Q: What type of organism was the only able to live in the anoxic atmosphere of the first 2 billion years?
A: anaerobic",30,1
"Q: Einstein developed a theory about how electromagnetic radiation can behave as both a wave and what else?
A: energy",25,0
"Q: Red litmus paper turns what color when placed in a basic solution?
A: blue",21,1
"Q: What can carry nerve impulses from tissues and organs to the spinal cord and brain?
A: sensory neurons",24,1
"Q: What chromosome determines the sex of an organism?
A: ribosome",17,0
"Q: Radiocarbon is useful for dating relatively young materials with what element as their base?
A: hydrogen",23,0
"Q: What is a soft connective tissue inside pores and cavities in spongy bone?
A: cartilage",22,0
"Q: Does blood flow increase or decrease when blood vessels constrict?
A: decrease",19,1
"Q: What type of disorders are caused by mutations in genes or abnormal numbers of chromosomes?
A: genetic disorders",24,1
"Q: What may be the ancestor of placental mammals?
A: fungi",16,0
"Q: What is an interation between organisms or species for the same resources in an enviroment is called?
A: competition",28,1
"Q: What organ packages nutrients absorbed by the digestive system; produces plasma proteins, clotting factors, and bile; and disposes of worn-out cell components and waste products?
A: heart",40,0
"Q: What are the two major types of seed plants called?
A: perennials and annuals",22,0
"Q: What biome is located between the temperate and tropical biomes?
A: subtropical",19,1
"Q: Where does the natural synthesis of lactose occur?
A: ovarian tissue",17,0
"Q: What are secreted into the gi tract by organs of the gi tract or from a nearby gland named the pancreas?
A: stomach acid",30,0
"Q: The amniotic egg first evolved in what species?
A: reptiles",17,1
"Q: What type of matter transmits light without scattering it?
A: opaque",17,0
"Q: Color, temperature, and solubility are examples of what type of property?
A: severe",21,0
"Q: Whether focused on ancient life, the life of bacteria, or how humans could live on the moon, four unifying principles form the basis of what branch of science?
A: electronics",39,0
"Q: Different media affect what property of light?
A: speed",15,1
"Q: What is the network of fibers that organizes structures and activities in the cell called?
A: enzymes",23,0
"Q: The two parathyroid glands are located behind what gland?
A: thyroid",18,1
"Q: What type of lenses can correct myopia?
A: polarized lenses",17,0
"Q: About how many thunderstorms are there each year worldwide?
A: 14 million",20,1
"Q: What is used to convert concentrations to collisions per second?
A: frequency factor",19,1
"Q: The nervous system is made up of these?
A: neurons",16,1
"Q: What group of elements cannot conduct electricity?
A: carbonates",15,0
"Q: What term is used to describe  an illusion that light from faraway objects is reflected by a pool of water that is not really there?
A: mirage",35,1
"Q: What occurs when a substance diffuses through a cell membrane without any help from other molecules?
A: simple diffusion",26,1
"Q: Under appropriate conditions, the attractions between all molecules in what state will cause them to form liquids or solids?
A: soild",29,0
"Q: What is the measure of kinetic energy of the particles in matter?
A: energy",20,0
"Q: Negative feedback controls insulin secretion by what organ?
A: pancreas",16,1
"Q: Different regions of the cerebral cortex can be associated with particular functions, a concept known as what?
A: localization of function",28,1
"Q: Tropomyosin is a type of what, that winds around the chains of the actin filament and covers the myosin-binding sites to prevent actin from binding to myosin?
A: protein",42,1
"Q: Two types of interference found in waves are constructive and what else?
A: osmotic",20,0
"Q: Amines are classified according to the number of carbon atoms bonded directly to what atom?
A: nitrogen",24,1
"Q: What happens do the sound during a resonance?
A: it becomes quieter",18,0
"Q: If everything in a system stays the same but the pressure deceases, gas bubbles will change in what way?
A: they multiply",30,0
"Q: What is usually the prey of a protist?
A: pathogens",17,0
"Q: What produces almost one-half of the earth's oxygen through photosynthesis?
A: prokaryotes",23,0
"Q: What is used to date older fossils?
A: radioactive isotopes",16,1
"Q: Where does the earth gets its energy from?
A: sun",16,1
"Q: What type of shape does sodium chloride have?
A: cubic",16,1
"Q: Higher pressures increase the solubility of what?
A: molecules",15,0
"Q: In what type of climate might one find deciduous trees?
A: humid continental",19,1
"Q: What is a substance that can not be broken down any further into other substances?
A: pure substance",24,1
"Q: Kidney stones are considered a disease that affects which system?
A: muscular system",19,0
"Q: What type of energy can be used to change the position or shape of an object, thus giving it potential energy?
A: static energy",31,0
"Q: What do nonvascular plants reproduce with?
A: photosynthesis",15,0
"Q: An infection may be intracellular or extracellular, depending on this?
A: pathogen",19,1
"Q: What compound has positive and negative ions?
A: hydrocarbon",15,0
"Q: What chemical element is required for a combustion reaction ?
A: oxygen",17,1
"Q: What will you see if you look at a star through a prism?
A: spectrum",21,1
"Q: As the number of unpaired electrons increases, what happens to the magnetic moment?
A: gets larger",24,1
"Q: What system makes sure leaked blood returns back to the bloodstream?
A: cerebral",19,0
"Q: What is the attachment of ducklings to their mother an example of?
A: impressionism",22,0
"Q: What changes from heat or pressure during metamorphism?
A: minerals",17,1
"Q: Strangeness, charm, bottomness, and topness are properties of what subatomic particle?
A: pion",26,0
"Q: What landform occurs most often along plate boundaries?
A: sinkholes",18,0
"Q: Preserved remains or traces of organisms that lived in the past are known as what?
A: fossils",24,1
"Q: Which part of a fish helps them breathe?
A: gills",16,1
"Q: What effect in the atmosphere ensures that the earth maintains the correct temperature to support life?
A: coriolis effect",26,0
"Q: Photoreceptors in each ocellus receive light only through the opening where there are none of which cells?
A: pigmented",29,1
"Q: Pairs of fish that do not practice broadcast what may exhibit courtship behavior?
A: migration",21,0
"Q: What is the term for a state of matter that yields to sideways or shearing forces?
A: gravity",24,0
"Q: What does fog consist of?
A: droplets of water",15,1
"Q: The fact that water in a reservoir is elevated above the ground means that it has what kind of energy?
A: excessive",28,0
"Q: Lymph vessels, like veins, have what objects that prevent the backflow of fluid?
A: pumps",24,0
"Q: What is the study of the vital statistics of populations and how they change over time?
A: demography",25,1
"Q: When atoms gain or lose electrons, they can form electrically charged particles called what?
A: ions",23,1
"Q: When light strikes rhodopsin, the g-protein transducin is activated, which in turn activates what?
A: phosphodiesterase",32,1
"Q: How many orders of magnitudes bigger is the electric force?
A: 39",20,1
"Q: What exactly happens during rna translation?
A: carbohydrate is synthesized",17,0
"Q: Stis are diseases caused by what that spread through sexual contact?
A: pathogens",20,1
"Q: Polarization occurs between a charged and what other object?
A: molecular",17,0
"Q: When the helium is gone, the stars become what?
A: comets",18,0
"Q: Making ultrasonic clicks is a clever way that some moths respond to attacks by what flying mammals?
A: bats",25,1
"Q: What value of dissolved substances is higher than that of their corresponding precipitate?
A: entropy",21,1
"Q: Without the dominant disturbance, the fire-adapted species are usually outcompeted and biodiversity is what?
A: reduced",27,1
"Q: Neutron stars are the corpses of left over what?
A: planet explosions",18,0
"Q: A basidium is the fruiting body of a mushroomproducing fungus, and it forms four what?
A: basidiocarps",29,1
"Q: How much larger can the most powerful light microscropes make an image?
A: 500 times",26,0
"Q: What is the term for animals that have a backbone?
A: carnivores",19,0
"Q: What kind of reproduction results in offspring that are genetically unique?
A: budding",19,0
"Q: What can lead to a loss of genetic variation within populations?
A: migration",19,0
"Q: Capillaries rejoin to form venules, which convey blood to what?
A: veins",21,1
"Q: Sublimation and deposition involve direct transitions between solid and gas without going through which state?
A: chemical",24,0
"Q: What type of stress causes horizontal motions in strike-slip faults?
A: shear",20,1
"Q: Different forms, or allotropes, of carbon are diamond, graphite, and what?
A: fullerenes",27,1
"Q: What kind of mutations are produced by nucleotide-pair insertions or deletions?
A: frameshift",22,1
"Q: What is the distance that sound waves travel in a given amount of time called?
A: velocity of sound",25,0
"Q: What type of scale is the richter scale?
A: dimensional",17,0
"Q: What are the secretions released by the endocrine glands called?
A: acids",18,0
"Q: Where do all plants come from?
A: terrestrial ancestors",15,1
"Q: If no conclusion is reached after an experiment, the scientist may retest what?
A: hypothesis",23,1
"Q: The ions in ionic compounds are arranged in rigid three-dimensional patterns called what?
A: core lattices",24,0
"Q: What will you see if you look at a star through a prism?
A: spectrum",21,1
"Q: Which organisms get their energy source and carbon source from organic sources?
A: chemoheterotrophs",23,1
"Q: Co 2 , h 2 o, methane, o 3 , nitrous oxides (no and no 2 ), and chlorofluorocarbons (cfcs) are known as what type of gases?
A: chemical gases",49,0
"Q: We divide up the earth's seas into five what, which are really all interconnected?
A: lakes",25,0
"Q: What is an involuntary muscle contraction that moves rapidly along an organ like a wave called?
A: ruptured nerve",25,0
"Q: Vertebrates have tissues which are organized into organs which in turn are organized into  what?
A: organ systems",26,1
"Q: Motor neurons and sensory neurons are part of what nervous system?
A: sensory-somatic",22,1
"Q: What occurs when water lost by transpiration is not replaced by absorbtion from room?
A: rotting",23,0
"Q: The extent to which a substance may be dissolved in water or another solvent is known as what?
A: humidity",26,0
"Q: What paired human organs play a vital role in maintaining homeostasis?
A: kidneys",19,1
"Q: A mixture of a metal with one or more other elements is called?
A: an alloy",22,1
"Q: In a displacement graph, the slope of the line is the average what?
A: velocity",22,1
"Q: What process is involved in the formation of a waterfall, when a stream flows from an area of harder to softer rock?
A: calcification",32,0
"Q: What do most organisms eat in the profundal zone of a lake?
A: dead organisms",22,1
"Q: Bacteria can be used to make cheese from milk. the bacteria turn the milk sugars into what?
A: lactic acid",27,1
"Q: What organ eliminates solid wastes that remain after the digestion of food?
A: the large intestine",22,1
"Q: What drives puberty in male humans?
A: bloodstream",14,0
"Q: Low-level exposure of humans to radiation can cause what?
A: illness",19,0
"Q: What substances serve as catalysts in most of the biochemical reactions that take place in organisms?
A: enzymes",24,1
"Q: Two kinds of sex hormones are of particular importance in females: progesterone, which prepares the uterus for pregnancy and prevents the further release of eggs from the ovaries during pregnancy, and the estrogens, which are mainly responsible for the development of female secondary sexual characteristics, such as breast development and increased deposition of this?
A: fat",68,1
"Q: Stars are born in clouds, and they form and grow dense due to what force?
A: gravity",24,1
"Q: What kind of bonds, where electrons are transferred rather than shared, are considered the ultimate in polarity?
A: ionic bonds",28,1
"Q: How many digits do primates have on each extremity?
A: ten",17,0
"Q: In most animals, what sense is related to balance or equilibrium?
A: vision",20,0
"Q: Because fungi feed on decaying and dead matter, they play what important role by releasing essential elements into the environment?
A: producers",29,0
"Q: What is the term for traits that show wide variation, such as height, skin color, and eye color?
A: maladaptive traits",31,0
"Q: Which branch of science is the study of energy, matter, and their interactions?
A: physics",23,1
"Q: Many metals react with acids to produce what gas?
A: neon",17,0
"Q: While enzymatic hydrolysis proceeds, peristalsis moves the mixture of chyme and digestive juices along what?
A: esophagus",27,0
"Q: What produces microspores that develop into pollen grains containing male gametophytes?
A: stems",22,0
"Q: What equals the mass of the object (in kilograms) times the acceleration due to gravity (9.8 m/s 2 )?
A: speed of light",37,0
"Q: Why can't fungi make their own food like plants do?
A: no organelles",21,0
"Q: Does an increase in temperature speed up or slow down reactions?
A: end reaction",20,0
"Q: Common among mammals and insects, pheromones are often related to what type of behavior?
A: aggressive",24,0
"Q: The difference in electric potential energy which allows for an electric charge to move from one position to another is measured by what si unit?
A: ohm",33,0
"Q: What type of behaviors are triggered by pheromones in moths?
A: exhibit",19,0
"Q: Shrimp are an example of what group within the arthropods?
A: myriapods",21,0
"Q: What tool is useful for studying the ocean floor because the environment is remote and underwater?
A: sonar",24,1
"Q: Examples of organ systems in a human include the skeletal, nervous, and what?
A: affecting systems",24,0
"Q: The two parameters used to measure changes in ecosystems are resistance and what related factor?
A: resilience",23,1
"Q: What force increases a slide downhill and decreases a slide uphill?
A: nuclear",19,0
"Q: In contrast to precision, this term means how close a measurement is to the correct or accepted value of the quantity being measured?
A: accuracy",32,1
"Q: What is the smallest contractile portion of a muscle?
A: filaments",18,0
"Q: What do plants make to store extra glucose?
A: water",16,0
"Q: What disease associated with smoking involves breakdown of walls of the alveoli, resulting in less gas exchange by the lungs?
A: leukemia",30,0
"Q: How close a measurement is to the correct value for that measurement is known as what?
A: accuracy",24,1
"Q: What are a group of protists whose monophyly is well supported by molecular systematics?
A: euglenozoa",29,0
"Q: What is the change of state from a solid to a gas without passing through the liquid state?
A: speciation",26,0
"Q: What is greatest source of hazardous waste?
A: study",15,0
"Q: Scientists can use what tool to determine an earthquake's strength?
A: geiger counter",22,0
"Q: What is another name for collar cells?
A: enzymes",15,0
"Q: What is the fan-like superior region that forms the largest part of the hip bone and is united to the sacrum at the largely immobile sacroiliac joint?
A: spine",40,0
"Q: What is the term for the muscular duct through which sperm are propelled?
A: the glarus deferens",26,0
"Q: In contrast to precision, this term means how close a measurement is to the correct or accepted value of the quantity being measured?
A: accuracy",32,1
"Q: What is the more common term for ethanoic acid, the active substance in vinegar?
A: acetic acid",25,1
"Q: What is located beneath the lithosphere?
A: hydropshere",17,0
"Q: What term is defined as the area where a species lives and to which it has become adapted?
A: habitat",26,1
"Q: Are humans a new or old species on the earth?
A: primal",18,0
"Q: What are plants that grow where people don't want them to and can take up space and use resources which hinders growth of more desirable plants?
A: native plants",37,0
"Q: What is the attachment of ducklings to their mother an example of?
A: impressionism",22,0
"Q: Endothermic and exothermic reactions differ in whether the products or reactants store more of what?
A: Motion energy",26,0
"Q: Besides the uppermost mantle, what else is the lithosphere composed of?
A: surface",21,0
"Q: What were the first living things to evolve on earth?
A: eukaryotes",19,0
"Q: What is the most familiar fibrous protein found in your body?
A: keratin",19,1
"Q: Osseous tissue - the connective tissue that includes specialized cells, mineral salts, and collagen fibers - makes up what?
A: bone",31,1
"Q: What comes first in the life cycle of a plant?
A: pair",18,0
"Q: Ocean acidification results from the ocean absorbing what gas from the atmosphere?
A: hydrogen",21,0
"Q: Different forms, or allotropes, of carbon are diamond, graphite, and what?
A: fullerenes",27,1
"Q: What is the name of the outer part of the adrenal gland located above the kidneys?
A: nucleus",24,0
"Q: The seasonal movements of animals from one area to another is referred to as?
A: mitigation",22,0
"Q: What is another name for flatworms such as tapeworms and flukes?
A: epiphytes",23,0
"Q: Hydroelectric power harnesses the energy of what?
A: water",16,1
"Q: What do opposite charges do to one another?
A: strengthen",16,0
"Q: The leaf chameleon (brookesia micra) was discovered in northern madagascar in 2012. at just over one inch long, it is what?
A: smallest known chameleon",42,1
"Q: Glycolysis harvests chemical energy by oxidizing glucose to what?
A: pyruvate",18,1
"Q: In a single-celled organism such as chlamydomonas, there is no what after fertilization?
A: mitosis",27,1
"Q: What is the name of a long and low hill of sediments which have been deposited by a glacier?
A: a drumlin",29,1
"Q: What ""plumbing"" structures inside the veins maintain a unidirectional flow of blood despite the low blood pressure?
A: funnels",30,0
"Q: Interconnected pathways through which carbon is recycled through the biotic and abiotic components of what?
A: atmosphere",25,0
"Q: The invention of what instrument in the 1930s allowed scientists to see viruses for the first time?
A: spy glass",31,0
"Q: When scientists work in natural settings rather than a lab, it is called what?
A: outside work",24,0
"Q: Tropical rainforest, chaparral, and taiga are what kind of biomes?
A: terrestrial",23,1
"Q: Found in cord blood and other sources, what kind of cells hold the promise of renewing and repairing body tissues?
A: red blood cells",31,0
"Q: What does a virus inject into the host cell?
A: cells acid",18,0
"Q: Tuna have been shown to contain high levels of what metal?
A: mercury",19,1
"Q: What is the ph level for pure water?
A: ph of 6.47",22,0
"Q: When sand is deposited along a shoreline, what is created?
A: beach",19,1
"Q: Transporting blood is the main job of the heart and what?
A: bones",20,0
"Q: What type of cells are flagella rare in?
A: intracellular",17,0
"Q: What measurement of the wave is used to determine the magnitude of an earthquake?
A: height",22,1
"Q: Which body system controls all the others by sending electrical messages?
A: the localized system",21,0
"Q: What law explains how the change in direction of the light ray depends on how the speed of light changes, which in turn is related to the indices of refraction of the media involved?
A: law of refraction",45,1
"Q: A can of warm soda will fizz more because increasing the temperature decreases the what of a gas?
A: solubility",26,1
"Q: The release of mature eggs that occurs at the midpoint of each cycle is called?
A: fertilization",23,0
"Q: What transmits nerve impulses to other cells?
A: neurons",15,1
"Q: What noble gas follows hydrogen on the periodic table?
A: nitrogen",17,0
"Q: Any place at which two bones are joined is called a what?
A: articulation",20,1
"Q: What's the term for an allele that's always expressed over another?
A: prevalent",23,0
"Q: The partial pressure of each gas in a mixture is proportional to its what?
A: mole fraction",23,1
"Q: What model of the atom features an electron orbiting a nucleus, forming a closed-current loop and producing a magnetic field with a north pole and a south pole?.
A: planetary model",40,1
"Q: How is oxygen transferred into the bloodstream?
A: simple diffusion",16,1
"Q: What causes maple leaves to change their colors?
A: artificial preservatives",17,0
"Q: Protein chains containing 10 or fewer amino acids are usually referred to as what?
A: peptides",24,1
"Q: Covalent compounds form individual molecules rather than what?
A: carbon",17,0
"Q: Dense connective tissue contains more collagen fibers than does loose connective tissue. as a consequence, it displays greater resistance to what?
A: stretching",31,1
"Q: Enthalpy is a measure of the total energy of what kind of system?
A: thermodynamic",23,1
"Q: What two forms can fluids take?
A: liquid or gas",16,1
"Q: What branch of biology focuses on heredity?
A: genetics",15,1
"Q: A redox reaction rearranges what subatomic particles?
A: electrons",18,1
"Q: Single-celled eukaryotes that share some traits with animals are also called?
A: prokaryotes",23,0
"Q: Where are more of an insect's internal organs kept?
A: the abdomen",20,1
"Q: When naming this type of ion the ending of the element’s name is dropped and replaced with the – ide suffix?
A: anions",31,1
"Q: What is the liquid component in blood?
A: plasma",15,1
"Q: What are the female gametes that form in the ovaries?
A: sperm",19,0
"Q: What advantage equals the distance of effort divided by the distance the object moves and is also equal to the output force divided by the input force?
A: mechanical",35,1
"Q: The structure of the human tail bone is called what?
A: a vestigial structure",21,1
"Q: What do nonvascular plants reproduce with?
A: photosynthesis",15,0
"Q: What causes cumulus clouds to grow upward?
A: convection currents",17,1
"Q: What organism is the most disruptive towards the diversity of other species?
A: humans",20,1
"Q: What property does liquid display when it interacts with glass?
A: property of adhesion",20,1
"Q: As a battery is depleted what happens to its internal resistance?
A: increases",19,1
"Q: In animal cells, what arises from the centrosomes and includes spindle microtubules and asters?
A: the spindle",27,1
"Q: What are the tiny packets of energy the sun gives off called?
A: ions",20,0
"Q: What is the most important source of energy on earth?
A: sun",18,1
"Q: Dutch scientist christiaan huygens' principle of what states that every point on a wavefront is a source of wavelets that spread out in the forward direction at the speed of the wave itself?
A: wave propagation",47,1
"Q: What is the first digestive organ that food enters?
A: stomach",17,0
"Q: What do nerve impulses travel along?
A: arteries",14,0
"Q: The roughness of interacting surfaces and the magnitude of force pushing one object onto another are two factors related to what force?
A: energy",30,0
"Q: What connects the peripheral nervous system to the central nervous system?
A: fibers",19,0
"Q: What happens to evolution when equilibrium is reached within the genes of the population?
A: it goes backwards",24,0
"Q: During mitosis what is replicated in the primary spermatocyte?
A: mitochondira",21,0
"Q: The reaction of calcium oxide with carbon dioxide forms what?
A: calcium carbonate",19,1
"Q: Water can be boiled to kill giardia and most other what?
A: parasites",20,0
"Q: What are the ends of long bones called?
A: cartilage",16,0
"Q: What happens when the blood cannot reach the heart because a blood vessel is blocked?
A: fast heart beat",25,0
"Q: What is the outermost occupied shell of electrons in an atom.
A: Inner Shell",20,0
"Q: Ice masses, acquifers, and the deep ocean are examples of water what?
A: reservoirs",23,1
"Q: Two important types of energy that can be converted to one another include potential and what?
A: kinetic",24,1
"Q: Redox reactions, like other chemical reactions, begin with a product and end with what?
A: reactant",25,1
"Q: What does the blue color of the pulmonary arteries reflect?
A: they are lost",20,0
"Q: The atomic number of tungsten is 74. therefore, in a neutral atom of tungsten, there are 74 electrons. the atomic number of argon is 18. therefore, in a neutral atom of argon, there are how many electrons?
A: 74",60,0
"Q: What type of barrier physically blocks pathogens from entering the body?
A: mechanical",19,1
"Q: In some plants, the sporophyte is diploid, while the gametophyte is what?
A: haploid",27,1
"Q: What states that chemical reactions occur when atoms, ions, or molecules collide?
A: collision theory",23,1
"Q: Elongation is the addition of what to the mrna strand?
A: codons",22,0
"Q: What is the attraction of a particular atom for the electrons of a covalent bond called?
A: conductivity",24,0
"Q: When the number of electrons and the number of protons are equal, the object is what?
A: Negative",25,0
"Q: The first plants probably evolved from what?
A: dry green algae",17,0
"Q: A mushroom is only a specialised reproductive part of the whole fungus. the main part of the fungi is underground in a whole web of hyphae, called this?
A: detritus",40,0
"Q: Amines are classified according to the number of carbon atoms bonded directly to what atom?
A: nitrogen",24,1
"Q: An electron in an atom is completely described by four of what?
A: photosynthesis numbers",21,0
"Q: What is a group of similar ecosystems with the same general abiotic factors and primary producers?
A: ecoregion",26,0
"Q: Animals that are endotherms or ectotherms are distinguished by the ability to maintain a constant what?
A: step temperature",29,0
"Q: What are the tiny sacs in the lungs where gas exchange takes place?
A: alveoli",22,1
"Q: What is the diversity of living things called?
A: biodiversity",16,1
"Q: Unlike prokaryotes, eukaryotes have a what?
A: flagellum",18,0
"Q: All organisms must adapt to what in order to survive?
A: environment",18,1
"Q: What can be used to speed up biochemical reactions?
A: enzymes",17,1
"Q: Newton realized that the nature of gravity on earth that pulls an apple to the ground could explain the motion of these?
A: seasons",30,0
"Q: Where do biochemical reactions occer?
A: inside organisms",15,1
"Q: What do many mollusks secrete for their protection?
A: mucus",17,0
"Q: The global biosphere includes all areas of what?
A: study",17,0
"Q: Colliding-beam accelerators create matter from what?
A: energy",17,1
"Q: Bones are part of which body system?
A: skeletal system",16,1
"Q: Examples of acute forms of what type of diseases include the common cold and influenza?
A: inherited diseases",24,0
"Q: Ticks spread bacteria that causes what condition?
A: lyme disease",18,1
"Q: What man-made substance tends to break down ozone in the stratosphere?
A: cfcs",23,1
"Q: What abbreviated form refers to oxidation-reduction reactions, which are part of respiration and photosynthesis?
A: oxid reactions",26,0
"Q: Strong, stable bonds between carbon atoms produce complex molecules containing chains, branches, and rings; the chemistry of these compounds is called what?
A: animal chemistry",35,0
"Q: A voltaic cell uses what type of reaction to generate an electric current
A: spontaneous catalyst",22,0
"Q: Ethers readily dissolve what type of molecules?
A: non-polar",18,1
"Q: What is the only natural phenomenon that causes more damage than earthquakes?
A: hurricanes",20,1
"Q: What is the term for the buildup of electric charge on an object, which can be transferred to another when touched?
A: static electricity",31,1
"Q: Name the term used to described prokaryotes that require oxygen.
A: aerobic",19,1
"Q: Roundworms exemplify what type of organization, where two or more types of tissues work together to perform a particular function as an organ?
A: bone-level organization",36,0
"Q: Aging occurs as cells lose their ability to do what?
A: grow",18,0
"Q: Living things get energy from food in a process called respiration, which releases what gas back into the atmosphere?
A: carbon dioxide",29,1
"Q: What does magma that cools underground form?
A: anomalies",15,0
"Q: The substances that comprise heterogeneous mixtures can also be separated by what means?
A: thermal",21,0
"Q: Does the force of magnetism increase or decrease as the distance between objects increases?
A: decrease",22,1
"Q: The simplest way to define a base is which kind of compound that produces hydroxide ions when dissolved in water?
A: magnetic",28,0
"Q: What do we call the seasonal movement of animals?
A: population",17,0
"Q: What is the preferred food for almost all primates except for humans?
A: fruit",20,1
"Q: Budding in sponges is a form of what type of reproduction?
A: asexual",20,1
"Q: Squamata is the largest order of what broad animal group, and includes lizards and snakes?
A: reptiles",25,1
"Q: Mendeleev organized what basic units into rows and columns?
A: solutions",19,0
"Q: What is the term for if multiple sperm fuse with an egg?
A: polyspermy",22,1
"Q: When lactose is present in the cell, what allows the lac genes to be expressed?
A: concentration of repressor protein",28,0
"Q: What disease can too little calcium cause?
A: osteoporosis",15,1
"Q: What system of the body uses amylase and pepsin in its functioning?
A: digestive system",23,1
"Q: Different elements differ in the size, mass, and other properties of what fundamental structures?
A: ions",24,0
"Q: What type of gas is a harmless gas that living things add to the atmosphere during respiration?
A: carbon dioxide",26,1
"Q: What do we call the amount of time a substance is stored in a reservoir?
A: storage time",24,0
"Q: What is an acid that can be produced from the aerobic fermentation of wine?
A: vinegar",22,1
"Q: What type of organisms have internal clocks that regulate cyclic processes?
A: endogenous",19,0
"Q: An object's energy due to motion is known as?
A: residual energy",20,0
"Q: What is the vertical extent of ocean water called?
A: oceanic pillar",18,0
"Q: Visible light is part of what spectrum?
A: mechanical spectrum",16,0
"Q: Metabolism is controlled by regulation of what?
A: enzyme activity",16,1
"Q: What can be looked at to see a record of how horses evolved?
A: fossil records",22,1
"Q: What state is achieved when the forward and reverse reactions proceed at equal rates?
A: neutrality",22,0
"Q: Structural rearrangements of what include partial duplications, deletions, inversions, and translocations; duplications and deletions often produce offspring that survive but exhibit physical and mental abnormalities?
A: chromosomes",42,1
"Q: What is the scientific name of the thighbone, the longest, heaviest, and strongest bone in the body?
A: femur",29,1
"Q: What do you call a predator species that affects other species' populations when its own population size changes?
A: paradox species",28,0
"Q: What does interstellar medium consist of?
A: gravitational waves",15,0
"Q: Bases are ionic compounds consisting of hydroxide ions and a what?
A: cation",19,1
"Q: What is a feature that prokaryotes lack?
A: nucleus",16,1
"Q: What was the informal female name given to the adult fossil found in ethiopia and thought to be over 3 million years old?
A: alice",34,0
"Q: Where do carrier proteins carry ions or molecules?
A: between nuclei",17,0
"Q: What do we call the recycling of inorganic matter between living organisms and their environment?
A: biogeochemical cycle",26,1
"Q: What state of matter takes neither the shape nor the volume of its container?
A: hot",22,0
"Q: What is the first year of life following birth called?
A: infancy",18,1
"Q: Insulin is produced by what part of the body?
A: pancreas",17,1
"Q: What consists of structures that produce eggs and secrete female sex hormones?
A: female reproductive system",22,1
"Q: Very large stars eventually become what extremely dense space regions, which are so dense that no light can escape from them?
A: worm holes",31,0
"Q: How many lobes is each hemisphere of the cerebrum divided into?
A: 4",21,1
"Q: In the mouth, enzymes present in what begin to chemically break down food?
A: blood",22,0
"Q: What does the term porifera means?
A: poreless",16,0
"Q: Compared to free-floating bacteria, bacteria in biofilms often show increased resistance to what?
A: antibiotics and detergents",27,1
"Q: What is the measure of kinetic energy of the particles in matter?
A: energy",20,0
"Q: Water's very polar compound causes most solutes to do what?
A: dissolve",21,1
"Q: Unlike the cells of plants and fungi, animal cells lack what?
A: mitochondria",20,0
"Q: What can be used to convert the energy provided by the sun to usable electrical energy?
A: solar cells",25,1
"Q: What is the term for the horizontal displacement of a projectile from its starting point?
A: range",23,1
"Q: What evolutionary strategy enables substantial activity during sleep for some animals?
A: hibernation",19,0
"Q: In what season are temperature inversions more common?
A: winter",17,1
"Q: What is the type of plant that has a single cotelydon in the seedling?
A: monocot",25,1
"Q: What are the food making factories of plants?
A: stems",16,0
"Q: Like a thick cap covering the brain, the dura mater is a tough outer covering. the name comes from the latin for?
A: tough mother",33,1
"Q: Saturn is made mostly of helium and what else?
A: hydrogen",17,1
"Q: What is the name for a molecule with two atoms?
A: hydrostatic",18,0
"Q: The process of transferring pollen from the male reproductive part of a flower known as the anthers to the female reproductive part of the flower known as the stigma is referred to as what?
A: inoculation",43,0
"Q: What makes a complete orbit around the earth once every 29 1/2 days?
A: the moon",27,1
"Q: Which organ is the control center of the nervous system?
A: the heart",19,0
"Q: What do carnivores eat?
A: animals",13,1
"Q: What planet is closest to our sun?
A: mercury",15,1
"Q: Like a thick cap covering the brain, the dura mater is a tough outer covering. the name comes from the latin for?
A: tough mother",33,1
"Q: What pigment is required for photosynthesis to occur?
A: carotene",17,0
"Q: Kidneys, large intestine, liver, skin, and lungs comprise which system?
A: Muscular system",24,0
"Q: Why does neptune's appearance change?
A: turbulent atmosphere",17,1
"Q: The strong affinity of concentrated sulfuric acid for water makes it a good agent of what?
A: dehydrating",26,1
"Q: Plant-like protists are autotrophs capable of what process?
A: photosynthesis",21,1
"Q: Hair and nails are made of what?
A: chromatin",15,0
"Q: Name the three types of muscle tissue.
A: skeletal, smooth, cardiac",19,1
"Q: What helps the cell continually renew itself?
A: lysosomes",16,1
"Q: Converging plates can be oceanic, continental, or one of each. if at least one is oceanic, it will subduct. a subducting plate creates what?
A: volcanoes",41,1
"Q: What is responsible for many properties of covalent compounds, which have relatively low boiling points, cannot conduct electricity, and may not dissolve in water?
A: ionic charge",36,0
"Q: What is a force that opposes motion between any surfaces that are touching?
A: friction",21,1
"Q: Misfolding of polypeptides is a serious problem in what?
A: cells",19,1
"Q: How much exercise should a person ideally get during a single day?
A: hour",20,1
"Q: The plasma membrane of a skeletal muscle fiber is called the what?
A: sheath",20,0
"Q: What processes involve a transfer of electrons between the wire and the solution?
A: radioactive",21,0
"Q: Deleting or inserting a nitrogen base causes what?
A: a frameshift mutation",19,1
"Q: What type of response do signal transductions within target cells bring about?
A: physiological",22,1
"Q: What do you call accumulation of excess water in the tissues?
A: gout",19,0
"Q: Endoscopes are used to explore the body through various orifices or these?
A: minor incisions",25,1
"Q: Two or more what may bond with each other to form a molecule?
A: particles",21,0
"Q: Competition within a species is called what?
A: reproducible competition",16,0
"Q: Plants need sunlight for what process?
A: metamorphosis",14,0
"Q: Bacteria reproduce through what process?
A: binary fission",14,1
"Q: Silencing genes through epigenetic mechanisms is commonly practiced on what type of uncontrolled cells?
A: cancer cells",24,1
"Q: What is the name for the energy required for an electron to be added to a neutral atom in its gaseous form?
A: electron affinity",31,1
"Q: Where are all hormones secreted into before entering the circulatory system?
A: interstitial fluid",20,1
"Q: All species have evolved a pattern of living, called a life history strategy, in which they partition energy for growth, maintenance, and what?
A: reproduction",35,1
"Q: What type of proteins bind to foreign substances and attempt destruction?
A: membranes",19,0
"Q: The superior nasal concha and middle nasal concha are parts of which bone?
A: nostril bone",23,0
"Q: In glycolysis, glucose is split into two molecules of pyruvate. this results in a net gain of?
A: four atp molecules",31,0
"Q: Blood pressure is significantly affected by what physical force?
A: mass",17,0
"Q: How does the solubility of gases in liquids change with increasing temperature?
A: it decreases",21,1
"Q: What do you call reversible changes that do not change matter’s chemical makeup or chemical properties?
A: potential changes",27,0
"Q: What are the cliffs called which are created when waves erode a rocky shoreline, leaving a vertical wall of exposed rock layers?
A: shear face",32,0
"Q: What form do biofuels take that makes them very useful?
A: liquid",19,1
"Q: Where are some of the greatest concentrations of species found?
A: at high altitudes",20,0
"Q: A red blood cell will swell and burst when placed in a?
A: acidic solution",21,0
"Q: Line graphs are especially useful for showing changes over what?
A: time",18,1
"Q: What is defined as a change in the inherited traits of organisms over time?
A: variation",22,0
"Q: The simplest way to define a base is which kind of compound that produces hydroxide ions when dissolved in water?
A: magnetic",28,0
"Q: What are animal fats and oils such as olive and vegetable oil classified as?
A: proteins",22,0
"Q: What type of learning is based on past experience and reasoning?
A: experiment",19,0
"Q: Many microorganisms are single celled and use what for perception and movement?
A: nucleus",21,0
"Q: What celestial body is the earth’s main source of energy?
A: rivers",20,0
"Q: Secondary pollutants form from chemical reactions that occur when pollution is exposed to what?
A: sunlight",22,1
"Q: Mating with no strong pair-bonds is called?
A: mutual",18,0
"Q: What is the master gland of the endocrine system?
A: pituitary gland",18,1
"Q: Sensory neurons transmit nerve impulses from sense organs and internal organs to the brain via the?
A: spinal cord",25,1
"Q: What type of respiration has the advantage of releasing more energy?
A: aerobic",19,1
"Q: What is the process where sperm from the pollen of one flower fertilizes the egg of another flower?
A: cross-pollination",30,1
"Q: Amino acids are the building blocks of what macromolecules?
A: lipids",18,0
"Q: In physics, the number of waves that pass a fixed point in a given amount time is referred to as what ?
A: combination frequency",31,0
"Q: What is the plasma membrane mainly composed of?
A: filaments",16,0
"Q: Receptors for what chemical messengers recognize molecules with specific shapes and side groups, and respond only to those that are recognized?
A: acids",30,0
"Q: Prokaryotic cells do not have a nucleus but instead generally have a single chromosome, a piece of double-stranded dna located in an area of the cell called the what?
A: nucleoid",43,1
"Q: What are surface currents mainly caused by?
A: lightning",15,0
"Q: What are the earliest and simplest vertebrates?
A: fish",15,1
"Q: Vitamins are organic compounds that are essential in very small amounts for the maintenance of normal what?
A: metabolism",25,1
"Q: What is the first stage of cellular respiration called?
A: appetite",17,0
"Q: What features of a salamander's skin help protect itself from predators ?
A: brightly colored and poisonous",25,1
"Q: What term describes scientists who debate the origin of the earliest plants?
A: specialists",20,0
"Q: Because of their reactivity, we do not find most representative metals as free elements where?
A: in nature",25,1
"Q: Transport epithelia that function in maintaining water balance also often function in disposal of what?
A: metabolic wastes",25,1
"Q: In order to survive and maintain what state, an organism must quickly adapt to changing environmental conditions?
A: ketosis",27,0
"Q: What does the large central vacuole do?
A: store water",17,1
"Q: What are essential for pollination, but  can spread disease and destroy crops?
A: insects",22,1
"Q: What are electrons in the outer energy level of an atom called?
A: shell electrons",21,0
"Q: What kind of reasoning involves formulating generalizations inferred from careful observation and the analysis of a large amount of data?
A: deductive",29,1
"Q: How does deeper material cause convection in the mantle?
A: rises then sinks",19,1
"Q: For many decades, scientists have known that atoms consist of electrons and other particles called protons and?
A: rods",26,0
"Q: Kelvin is a temperature measure in which the lowest temperature is what?
A: absolute zero",21,1
"Q: What organ has four ventricles, all of which developed from the original hollow space within the neural tube?
A: heart",28,0
"Q: What counter provides a sensitive means of detecting radioactivity?
A: geiger",18,1
"Q: What causes waves to bring sand up onto the beach during summers?
A: no energy",21,0
"Q: Why does a metal spoon heat up quickly when placed in a hot drink?
A: insulation",22,0
"Q: Plant cells have structures that animal cells?
A: lack",15,1
"Q: What are proteins made up of?
A: lewis acids",15,0
"Q: What is the space around the magnet called?
A: gravitational field",17,0
"Q: With an increased understanding of gene regulation and gene function, medicines can be designed to specifically target diseased cells without harming these?
A: hosts",31,0
"Q: The epochs of the universe are known back to very shortly after what 'explosive' event?
A: Biggest bang",27,0
"Q: In dioecious animals, females generally produce what contribution to reproduction?
A: eggs",21,1
"Q: How do you calculate the atomic mass of an element?
A: add neutrons and electrons",21,0
"Q: What controls earth's magnetosphere?
A: magnetic field",16,1
"Q: What is the most commonly used source of energy in the world?
A: electricity",20,0
"Q: What is the logarithmic scale that measures the largest jolt of energy released by an earthquake called?
A: richter scale",27,1
"Q: Where did west nile first appear?
A: north america",16,1
"Q: An isometric type of what occurs as the muscle produces tension without changing the angle of a skeletal joint?
A: compression",27,0
"Q: Further transformation occurs during organogenesis, the formation of what?
A: arteries",19,0
"Q: Scientists can use what tool to determine an earthquake's strength?
A: geiger counter",22,0
"Q: Vertical layering is an important feature of the terrestrial type of what kind of community?
A: habitat",23,0
"Q: What rocks are formed by crystallization of chemical precipitates?
A: volcanic",17,0
"Q: The radiation exposure is determined by the number of what times the quality factor of the radiation?
A: pounds",25,0
"Q: What is responsible for our sense of balance?
A: our ears",17,1
"Q: What type of bacteria change nitrogen gas from the atmosphere to nitrates in soil?
A: hydrophylic bacteria",25,0
"Q: There are only four possible bases that make up each dna nucleotide: adenine, guanine, thymine, and?
A: cytosine",32,1
"Q: Particles of sand and what other substance are carried by longshore drift?
A: rock",21,1
"Q: The same reaction regenerates pyruvate, which is transported to which cells?
A: mesophyll",22,1
"Q: What is the lipid-rich sheath that surrounds the axon and facilitates the transmission of electrical signals along the axon?
A: axon sheath",30,0
"Q: In mammals what does the zona pellucida protect?
A: testes",18,0
"Q: How many chromosomes do mature gametes contain?
A: 19",18,0
"Q: Where do most biochemical reactions take place?
A: stomach",15,0
"Q: What phenomenon has severe consequences on both natural and man-made objects, including killing trees and degrading marble statues?
A: acid rain",30,1
"Q: What part of the body does emphysema affect?
A: bones",17,0
"Q: What machine is used to determine the calories in food, as well as the average heat yield from burning various grades of coal and oil?
A: calorimeter",34,1
"Q: All living things require what, which most ecosystems obtain from the sun?
A: energy",21,1
"Q: How many quarks are in each proton and neutron?
A: three",17,1
"Q: About 50% of all animal species died off between the mesozoic and which other era?
A: jurassic",27,0
"Q: What property are alkali metals at room temperature?
A: mixed",16,0
"Q: Because conditions are not ideal, most populations grow ____________.
A: logistically",19,1
"Q: What is the name of the muscle that contracts to cause the joint to straighten?
A: extensor",24,1
"Q: Light waves differ based on their frequency and what else?
A: amplitude",18,1
"Q: The duodenum is the first and the shortest part of what, and is where most chemical digestion takes place?
A: small intestine",30,1
"Q: Weight is a measure of what force pulling down on an object?
A: light",20,0
"Q: In police radar, a radar gun sends out short bursts of which waves?
A: photons",22,0
"Q: What is defined as the mass per unit volume of a substance?
A: density",20,1
"Q: Organism's changing over time is called?
A: generation",17,0
"Q: Sodium and chloride ions have equal but what charges?
A: opposite",17,1
"Q: What is the hollow and muscular balloon-shaped organ that collects urine?
A: urinary bladder",22,1
"Q: The vegetal pole refers to the concentration of what toward one pole of an egg?
A: yolk",23,1
"Q: What refers to the development and nourishment of an embryo within the mother’s body but not inside an egg?
A: vivipary",31,1
"Q: All proteins are made of monomers called what?
A: amino acids",17,1
"Q: The combined gradient that affects an ion includes its concentration gradient and its what?
A: electrical gradient",23,1
"Q: What kind of radiation can be used to disrupt the dna-rna protein synthesis cycle that allows bacteria to reproduce?
A: ionizing",29,1
"Q: What organ breaks down excess amino acids and toxins in the blood?
A: kidney",20,0
"Q: What term describes a way that small molecules or ions move across the cell membrane without input of energy by the cell?
A: physical transport",31,0
"Q: What do bees carry from one plant to another to facilitate plant growth and development?
A: pollen",23,1
"Q: What is the sequence of elementary steps that together comprise an entire chemical reaction called?
A: reaction circle",24,0
"Q: What are the light wavelengths that the human eye can detect called?
A: ultraviolet light",21,0
"Q: What type of bacteria causes the disease called tuberculosis?
A: mycobacterium",18,1
"Q: What are broad explanations that are widely accepted as true?
A: scientific experiments",19,0
"Q: Which branch of biology studies animal behavior?
A: ethology",16,1
"Q: What term is used to describe the cellular structures responsible for protein synthesis?
A: ribosomes",22,1
"Q: What kind of reaction is a reaction in which two or more substances combine to form a single new substance?
A: power reaction",29,0
"Q: What is the study of structure, properties, and interactions of matter?
A: chemistry",21,1
"Q: What happens when forces of evolution work over a long period of time?
A: substantial evolution",22,0
"Q: Are birds and mammals mainly exothermic or endothermic?
A: endothermic",19,1
"Q: What is the chief organ of the urinary system?
A: liver",17,0
"Q: What group of single-celled organisms lacking a nucleus comprises the most numerous organisms on earth?
A: prokaryotes",26,1
"Q: What group of elements does sodium belong to?
A: halogens",17,0
"Q: What part of an animal helps to prevent water loss and gives support and protection?
A: exoskeleton",25,1
"Q: What also happens when people feel anxious and breathe too fast?
A: they become pettite",22,0
"Q: What color and shape are cumulus clouds?
A: white and puffy",18,1
"Q: What is the term for something that limits the growth or development of an organism, population, or process?
A: limiting factor",29,1
"Q: What disease occurs when cells in the breast grow out of control and form a tumor?
A: adult breast growth",26,0
"Q: Blood pressure is significantly affected by what physical force?
A: mass",17,0
"Q: What does parasitic mean?
A: lives in host",14,1
"Q: Which glands sit atop the kidneys and are composed of an outer cortex and an inner medulla, all surrounded by a connective tissue capsule?
A: gonads",34,0
"Q: Body waves travel through the earth and arrive at seismograms before what?
A: surface waves",22,1
"Q: After the film is developed, any unexposed silver bromide must be removed by a process called what?
A: watering",27,0
"Q: The gender of a baby is determined by what special pair of chromosomes?
A: diploid chromosomes",22,0
"Q: Radiometric dating methods, such as carbon-14 dating depend on what type of decay?
A: microwave",26,0
"Q: Exposure to what can increase the amount of pigment in the skin and make it appear darker?
A: ultraviolet radiation",26,1
"Q: What process allows an individual to develop from a single cell into an organism with trillions of cells?
A: cell division",29,1
"Q: Wavelengths are described by a unit of what?
A: distance",17,1
"Q: In eukaryotes, the new mrna is not yet ready for translation. it must go through more processing before it leaves where?
A: Electrons",34,0
"Q: Where does the natural synthesis of lactose occur?
A: ovarian tissue",17,0
"Q: What is the name for a substance that can be used to follow the pathway of that substance through some structure?
A: tracer",29,1
"Q: Where does the heartbeat originate in vertebrates?
A: the heart",16,1
"Q: The process that a plant increases in size is known as what?
A: growth",20,1
"Q: The kinetic-molecular theory as it applies to gases has how many basic assumptions?
A: four",23,0
"Q: The idea of evolution has been around for centuries. in fact, it goes all the way back to the ancient greek philosopher named?
A: aristotle",34,1
"Q: What do you call an animal that feeds on other animals?
A: omnivore",20,0
"Q: What animal group can be found in every environment on earth, but primarily in the warm and moist tropics?
A: insect",28,1
"Q: What states that chemical reactions occur when atoms, ions, or molecules collide?
A: collision theory",23,1
"Q: What type of cell layer do flatworms have?
A: mesoderm",18,1
"Q: What helps the cell continually renew itself?
A: lysosomes",16,1
"Q: What type of cell contains a nucleus?
A: candid cell",16,0
"Q: Gasoline is derived from which other liquid?
A: liquid propane",16,0
"Q: The simplest organic compounds have hydrogen and what else?
A: sodium",17,0
"Q: How many valence electrons do neutral phosphorus atoms have?
A: nine",17,0
"Q: Which type of diabetes involves the pancreas not secreting enough insulin, which causes high levels of glucose in the blood?
A: type 1",32,1
"Q: What is the process of generating electric current with a magnetic field?
A: mechanical induction",21,0
"Q: What does fog consist of?
A: droplets of water",15,1
"Q: What is the leading cause of skin cancer?
A: artificial light",17,0
"Q: At certain times of year, a stream or river may overflow its banks. what is the area of land that is flooded called?
A: inlet",33,0
"Q: Mosses, liverworts, and hornworts are examples of what type of plant in which gametophyte generation is dominant?
A: nonvascular plants",37,1
"Q: Einstein developed a theory about how electromagnetic radiation can behave as both a wave and what else?
A: energy",25,0
"Q: Pseudopods are false what?
A: feet",13,1
"Q: What occurs when two wave crests overlap?
A: constructive interference",16,1
"Q: Parasitic fungi often cause illness and may eventually do what to their hosts?
A: kill them",23,1
"Q: Traditional classification of mammals are based on similarities in what two things?
A: solution & function",22,0
"Q: Bog destruction in scotland is an example of the widespread loss of what kind of habitat?
A: tundra",25,0
"Q: What is the termination of a pregnancy in progress called?
A: contraception",18,0
"Q: What is another term for movable joints?
A: synovial",16,1
"Q: Furthermore, most of the proteins within membranes have both hydrophobic and which other regions?
A: atmospheric",23,0
"Q: What system in both males and females consists of structures that produce reproductive cells, or gametes, and secrete sex hormone?
A: circulatory system",32,0
"Q: Name a one-celled organism that  can be found on your skin, in the ground, or in all different types of water.
A: bacteria",34,1
"Q: Cells like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its dna is surrounded by a membrane), and has other membrane-bound organelles that allow for what?
A: compartmentalization of functions",71,1
"Q: Fossil fuels and coal are examples of what kind of resources?
A: valuable",19,0
"Q: Fungi may have both asexual and sexual stages of what?
A: reproduction",18,1
"Q: If water from a spring can't flow downwards, it can spread out to form one of 2 things.  what are they?
A: lake or ocean",37,0
"Q: The number of electrons in the outer energy level determines what property of nonmetals?
A: reactivity",23,1
"Q: What is the measurement for the amount of water vapor in the air?
A: humidity",21,1
"Q: As per the kinetic-molecular theory, in what direction do the molecules and ions of liquids move?
A: random directions",28,1
"Q: Mass and volume are examples of what kind of properties?
A: extensive properties",19,1
"Q: What subject is a way of learning about the natural world that is based on evidence and logic?
A: science",26,1
"Q: What type of friction is friction that acts on objects when they are sliding over a surface?
A: spreading friction",26,0
"Q: During summer in the northern hemisphere, the north pole is tilted toward what?
A: sun",22,1
"Q: Substances that act as both weak acids and bases are said to be what?
A: amphiphilic",25,0
"Q: What are the three major types of blood vessels?
A: arteries , pups , capillaries",21,0
"Q: Magnetite crystals of different ages and on different continents pointed to different spots. the simplest explanation is that the continents have done what?
A: moved",33,1
"Q: Through which process does water from the oceans enter the atmosphere?
A: evaporation",19,1
"Q: Why must values of specific heat be looked up in tables?
A: lack of formulas",21,0
"Q: What is the space around the magnet called?
A: gravitational field",17,0
"Q: What was the first amino acid to be isolated?
A: asparagine",18,1
"Q: What is the smallest of the galilean moons?
A: phoebe",19,0
"Q: All living things need air and this to survive?
A: water",17,1
"Q: What process, which results because of great pressure at the center of a star, causes stars to shine?
A: gravitational pull",29,0
"Q: What do many mollusks secrete for their protection?
A: mucus",17,0
"Q: What are organisms that eat just one type of food?
A: specialists",18,1
"Q: Bonding in molecules with resonance forms is better described by which theory?
A: Geiger theory",21,0
"Q: What part of the kangaroo helps it balance when it leaps as well as when it sits?
A: the tail",26,1
"Q: What protects the scalp from ultraviolet light exposure and loss of body heat?
A: head hair",22,1
"Q: What is making measurements that are close to the true value known as?
A: estimation",21,0
"Q: Integral proteins penetrate the hydrophobic interior of the what?
A: lipid bilayer",19,1
"Q: What is the term for abnormally low blood levels of carbon dioxide?
A: spirogyra",22,0
"Q: When do alkane reactions usually occur?
A: under extreme conditions",17,1
"Q: How is energy expressed when it is released in a chemical reaction?
A: as an equation",22,0
"Q: What happens to the volume of a balloon when you add moles of gas to it by blowing up?
A: changes randomly",28,0
"Q: All alkanes are composed of carbon and hydrogen atoms, and have similar bonds, structures, and formulas; noncyclic alkanes all have a formula of cnh2n+2. the number of carbon atoms present in an alkane has what?
A: done limit",60,0
"Q: What does glycolysis generate in phase ii?
A: amino acids",17,0
"Q: Name the 3 ocean zones.
A: coral, intertidal, apogean",20,0
"Q: What are non-steroid hormones made of?
A: proteins",16,0
"Q: What do some animals grow to protect themselves in winter?
A: scales",18,0
"Q: What is the release of energy in the form of high energy electromagnetic waves?
A: x-ray emission",25,0
"Q: Solution nodes and antinodes are both areas of wave interference, but they differ in the presence of what condition?
A: motion",30,1
"Q: Species distributions are a consequence of both ecological and evolutionary what?
A: fluctuations",19,0
"Q: Rising and falling levels of what will result in progression of the ovarian and menstrual cycles?
A: hormones",24,1
"Q: What body joint incurs the most common overuse injury among runners and other athletes?
A: knee",23,1
"Q: Parthenogenis in komodo dragons is an example of what kind of reproduction, whereby offspring are created from just one parent?
A: asexual reproduction",33,1
"Q: What orbits an atoms' nucleus?
A: negatively charged electrons",16,1
"Q: At what point during a chemical reaction is there no net change?
A: bonding",20,0
"Q: Acids can also react with metals, and when they do they produce what?
A: hydrogen gas",23,1
"Q: What are ionic compounds that produce hydroxide ions when dissolved in water?
A: bases",20,1
"Q: Where are temperatures the lowest?
A: at the poles",15,1
"Q: What is the name for the inner lining of the uterus?
A: the uterine shell",21,0
"Q: Almost all vascular plants have mycorrhizae and rely on their fungal partners for what?
A: respiration",25,0
"Q: Unlike an adult sponge, what stage is motile due to cilia that propel it through water?
A: larva",26,1
"Q: The nephron is the functional unit of what pair of organs?
A: kidneys",20,1
"Q: Mammals have four limbs and produce what kind of eggs?
A: amniotic",19,1
"Q: What can lenses be used to make?
A: visual representations",16,1
"Q: What are the earth's two poles called?
A: southwest and south",19,0
"Q: How do autotrophs get food?
A: From Water",16,0
"Q: Frogs and toads, salamanders and newts, and caecilians are the three orders of what group of animals?
A: amphibians",32,1
"Q: Structurally, diplomonads have two equal-sized what and multiple flagella?
A: atoms",24,0
"Q: What organs have tiny tubes leading to and from elastic air sacs that improve airflow and oxygen uptake?
A: ovaries",26,0
"Q: What was the first amino acid to be isolated?
A: asparagine",18,1
"Q: Where is the guinea worm a serious problem?
A: africa",16,1
"Q: What type of tissue makes up much of the inside of a plant?
A: ground tissue",22,1
"Q: What hydrocarbons contain only single bonds between carbon atoms?
A: saturated hydrocarbons",18,1
"Q: Mercury and lead, which was once widely used in paint and gasoline, are examples of what type of metals?
A: toxic heavy metals",31,1
"Q: Which cells change the accessibility, transcription, or translation of a gene?
A: eukaryotic",21,1
"Q: An organism that carries pathogens from one individual to another is called what?
A: vector",21,1
"Q: What reaction is considered the reverse of photosynthesis?
A: cellular respiration",17,1
"Q: A globe is the best way to make a map of what?
A: a continent",21,0
"Q: During an earthquake what causes seismic waves?
A: rock displacement",16,1
"Q: What do scientists think are the oldest eukaryotes?
A: protists",18,1
"Q: In stars like our sun, hydrogen atoms join together to create what?
A: water molecule",22,0
"Q: What is the male gamete called in humans?
A: sperm",17,1
"Q: The measurement of the extent of something along its greatest dimension is its what?
A: depth",22,0
"Q: What is the only substance on earth that is stable in all three states?
A: carbon",22,0
"Q: What simple sugar is the cell's primary source of energy?
A: glucose",20,1
"Q: What describes the way light reflects off of the surface of the mineral?
A: intensity",21,0
"Q: What causes earthquakes at mid-ocean ridges to be small and shallow?
A: plates are thin , young , and hot",28,1
"Q: What distinguishing feature predates the branching of mammals from other vertebrates?
A: adaptation",20,0
"Q: Mammals are synapsids, meaning they have a single opening in what structure?
A: skull",23,1
"Q: At the anode, liquid chloride ions are oxidized to what?
A: chlorine gas",20,1
"Q: In their pure form, all elements have an oxidation number of what?
A: zero",21,1
"Q: Human evolution shows that evolutionary changes typically occur at what pace?
A: uneven",19,0
"Q: What happens to neutral matter when electrons are transferred between objects?
A: osmosis",19,0
"Q: What are telescopes that use lenses to bend light called?
A: refracting telescopes",20,1
"Q: Behaviors that occur naturally and are not learned are called what?
A: innate",19,1
"Q: The reaction of calcium oxide with carbon dioxide forms what?
A: calcium carbonate",19,1
"Q: What term is used to describe joints in which the bones are connected by cartilage?
A: capillaries joints",24,0
"Q: What helps deposit the material in caves as stalactites, stalagmites, and columns
A: gas",25,0
"Q: What are the lipids containing phosphorus?
A: eukaryotes",15,0
"Q: What are the ends of long bones called?
A: cartilage",16,0
"Q: What force pulls objects toward the center of the earth?
A: gravity",18,1
"Q: Being exposed to sunlight will produce what vitamin in the skin?
A: vitamin d",20,1
"Q: What layer of earth contains abundant oxygen, which can combine with other elements to create oxide minerals?
A: the crust",27,1
"Q: The process where eroded material is dropped somewhere is called?
A: deposition",18,1
"Q: Each proton has how many units of positive charge?
A: three",17,0
"Q: By how many weeks do all major organs start developing?
A: 8",19,1
"Q: What is the midpiece of sperm packed with?
A: protein",17,0
"Q: How is energy expressed when it is released in a chemical reaction?
A: as an equation",22,0
"Q: Chemical signals are received by the target cell on what?
A: receptor proteins",19,1
"Q: When it is winter in the northern hemisphere the southern hemisphere experiences which season?
A: summer",22,1
"Q: What is the process of isolating a specific gene and then making a copy of it for use in gene therapy?
A: attribute cloning",30,0
"Q: Cyanobacteria are bluish green in color because they contain what?
A: chlorophyll",19,1
"Q: What is the hollow sac like organ that stores urine until it is excreted?
A: kidney",22,0
"Q: Wich disorder arises when defective valves allow blood to accumulate within the veins?
A: vascular disease",22,0
"Q: Whether the organism is a bacterium, plant, or animal, all living things access energy by breaking down these?
A: carbohydrate molecules",30,1
"Q: In many species, display behaviors, like a gorilla beating on its chest, are used instead of actual physical attacks to show what?
A: aggression",33,1
"Q: What do the planets orbit around in the solar system?
A: the sun",19,1
"Q: What is a form of matter that has a definite shape and volume?
A: plasma",21,0
"Q: What is the major source of warmth for earth?
A: the Moon",18,0
"Q: Along with other functions, what do carbohydrates, proteins, and lipids provide for the body?
A: energy",25,1
"Q: What cycle vital to plants includes a process called denitrification?
A: nitrogen cycle",21,1
"Q: Neurologists are physicians who specialize in disorders of what system?
A: nervous system",20,1
"Q: Synthetic and natural rubber, styrofoam and plastic are examples of organic what?
A: solutions",22,0
"Q: What are the nonliving matter that living things need called?
A: nutrients",19,1
"Q: What genetic unit is formed when the dna double helix wraps around proteins and tightly coils a number of times?
A: atom",28,0
"Q: What is the name of film that polyester fibers form?
A: layers",18,0
"Q: The denser regions of the electron cloud are called what?
A: orbitals",18,1
"Q: For what purpose does liver use the excess carbohydrate?
A: process sugar",18,0
"Q: The shape of a virus is determined by the type and arrangement of proteins in its what?
A: enamel",25,0
"Q: What is the measure of sound intensity levels?
A: octaves",16,0
"Q: Enzymes, proteins, electron carriers, and pumps that play roles in glycolysis, the citric acid cycle, and the electron transport chain tend to catalyze reactions that are what?
A: non-reversible",44,1
"Q: Saturated and unsaturated are the two main kinds of what?
A: sugars",19,0
"Q: The appendicular skeleton is made up of all bones of the upper and lower what?
A: organs",24,0
"Q: What is the organ in which gas exchanges take place between blood and air?
A: heart",22,0
"Q: What are winds that blow over a limited area called?
A: local winds",19,1
"Q: The esophagus runs a mainly straight route through the mediastinum of what?
A: thorax",22,1
"Q: What historical event taught people that soil could be lost by plowing and growing crops and encouraged new methods to prevent erosion?
A: the debris bowl",32,0
"Q: Define motion.
A: change of position",12,1
"Q: Which system of the body is responsible for bringing air into the body?
A: respiratory system",22,1
"Q: Electrons are organized into shells and subshells about the nucleus of this?
A: atom",22,1
"Q: When an ionic compound dissociates in water, water molecules surround each ion and separate it from the rest of the what?
A: solid",31,1
"Q: Tuataras, lizards, and snakes are members of what subclass of reptiles?
A: dinosaurs",23,0
"Q: What is the name for a series of changes in the reproductive system of mature females that repeats every month on average?
A: periodic table",31,0
"Q: What type of light has shorter wavelengths than visible light and has enough energy to kill bacteria?
A: luminescence",26,0
"Q: What tool do scientist's use to show the evolutionary pathways and connections among organisms?
A: phylogenetic tree",25,1
"Q: Animals need plants for food and?
A: fuel",14,0
"Q: Which pollution can cause lung cancer and can also make asthma and other diseases worse?
A: air pollution",24,1
"Q: The light reactions take place in which membranes?
A: the cell membranes",18,0
"Q: Secondary pollutants form from chemical reactions that occur when pollution is exposed to what?
A: sunlight",22,1
"Q: To figure out the height of a wave you measure the distance between the crest and what?
A: drift",25,0
"Q: Lungs, pharynx, larynx, trachea, and bronchi are part of which system?
A: respiratory",25,1
"Q: Where do most biochemical reactions take place?
A: stomach",15,0
"Q: What is the term for an ionic compound that produces positive hydrogen ions when dissolved in water?
A: hydrocarbon",25,0
"Q: What passes through the prostate gland immediately inferior to the bladder before passing below the pubic symphysis?
A: rectum",27,0
"Q: What directs the amino acids to be introduced into the growing protein chain in the proper sequence?
A: rna template",27,1
"Q: In how many states does water exist on earth?
A: three matter states",19,1
"Q: What is the first stage of cellular respiration?
A: photosynthesis",16,0
"Q: Ringworm and athlete's foot are human diseases caused by what simple organisms?
A: bacteria",23,0
"Q: What is it called when your joints start to wear out and they become stiff and painful?
A: adenitis",26,0
"Q: The force on a charged particle in a magnetic field is always perpendicular to both its velocity vector and the?
A: position vector",29,0
"Q: Nitrogen and sulfur oxides form what type of rain?
A: acid rain",18,1
"Q: Life span is distinct from what, which means the sequence of stages a plant goes through from seed germination to seed production of the mature plant?
A: life cycle",36,1
"Q: Covalent solids are formed by networks or chains of atoms or molecules held together by what?
A: covalent bonds",26,1
"Q: What is the motion that moves the forearm from the supinated position to the pronated position?
A: pronation",27,1
"Q: Geiger counters can be used to detect what, in general?
A: radiation",19,1
"Q: How does the nucleus divide during nuclear fission?
A: evenly",16,0
"Q: According to law, what must packaged foods carry?
A: nutrition facts label",19,1
"Q: When do the eggs in a female's ovaries start to mature?
A: puberty",21,1
"Q: The short length of what in women is the best explanation for the greater incidence of uti in women?
A: urethra",27,1
"Q: What contracts to move food throughout the gastrointestinal tract?
A: fluids",18,0
"Q: The saguaro doesn't have any leaves to lose water by which process?
A: transpiration",24,1
"Q: Luster, malleability, ductility, and conductivity are all properties of which kind of material?
A: ores",27,0
"Q: If an atom gains electrons, it becomes what?
A: an ion",18,1
"Q: What often involves the loss of hydrogen, the gain of oxygen, or the loss of electrons?
A: decomposition",26,0
"Q: In some parts of the world, too much of the sun's harmful uv radiation gets through because of a hole in what layer?
A: ozone",34,1
"Q: In stars like our sun, hydrogen atoms join together to create what?
A: water molecule",22,0
"Q: Zinc reacting with hydrochloric acid produces bubbles of which gas?
A: hydrogen",18,1
"Q: Fertilized mollusk eggs develop into what?
A: shrimp",17,0
"Q: In what type of process does heat flow into its surroundings and cause an increase in kinetic energy?
A: exothermic process",28,1
"Q: Mixtures that have the same composition throughout are known as what kinds of mixtures?
A: contiguous",22,0
"Q: What are often formed biologically during the breakdown of proteins in animal cells, having the smell of death and decay?.
A: ketones",29,0
"Q: Covalent bond energies can be used to estimate the enthalpy changes of what?
A: chemical reactions",23,1
"Q: Elements are defined by their atomic number, a number that describes the amount of what in the element?
A: bonds",27,0
"Q: What type of temperatures increase the likelihood of fires?
A: freezing",17,0
"Q: Where are protons found in the atom?
A: in the nucleus",17,1
"Q: Elements below the second period, such as silicon, do not form what as readily as second-period elements, and when they do form, they are weaker than those formed by second-period elements?
A: covalent bonds",48,0
"Q: What devices do astronomers use to see objects at wavelengths all across the electromagnetic spectrum?
A: microscopes",24,0
"Q: What form does water take on the planet mars?
A: plasma",17,0
"Q: What is a representation of the valence electrons of an atom that uses dots around the symbol of the element?
A: watson structure",30,0
"Q: What adds phosphate groups to receptor proteins at the surface of the cell?
A: receptor kinases",22,1
"Q: What is absorbed from food waste in the large intestine before it passes out of the body as feces?
A: distilled water",28,0
"Q: In an experiment, what is kept constant so they will not affect the results, including affecting the dependent variable?
A: atmospheric controls",30,0
"Q: What produces enzymes that digest carbohydrates in plant cell walls?
A: bacteria",18,1
"Q: How do the vast majority of fish reproduce?
A: sexually",16,1
"Q: What part of the cell is surrounded by a membrane and holds the genetic information for the cell?
A: nucleus",26,1
"Q: Water seeping into the ground is known as?
A: infiltration",17,1
"Q: Which stage of development is a period during which apoptosis is widespread and plays a crucial role?
A: puberty",25,0
"Q: What is thought to be the oldest eukaryotes?
A: amoebas",19,0
"Q: In this type of reaction, an element replaces another element in a compound, and the element is in any state of matter but is not an ion?
A: double-replacement reaction",40,0
"Q: What has a pseudocoelom and hydrostatic skeleton?
A: roundworms",19,1
"Q: The number of what subatomic particles can vary between atoms of the same element?
A: protons",23,0
"Q: Misconceptions about what theory contribute to the controversy that still surrounds this fundamental principle of biology?
A: darwin on evolution",29,0
"Q: What are fungus-like protists?
A: feces",15,0
"Q: The reaction of an alkyl halide with an inorganic hydroxide base at elevated temperature produces what?
A: an alcohol",25,1
"Q: Differences in fitness among different members of a population can lead to what kind of selection?
A: fluid selection",25,0
"Q: A species is a subdivision of a genus in what classification system?
A: linnaean system",23,1
"Q: Osteoclasts and osteoblasts play key roles in repair of what?
A: bone",22,1
"Q: Land plants are classified into two major groups according to the absence or presence of what tissue?
A: disease",25,0
"Q: What do we call the formation of a gas from a liquid at temperatures below the boiling point?
A: melting",26,0
"Q: What organ packages nutrients absorbed by the digestive system; produces plasma proteins, clotting factors, and bile; and disposes of worn-out cell components and waste products?
A: heart",40,0
"Q: Wetlands are environments in which the soil is either permanently or periodically saturated with what?
A: water",23,1
"Q: Which carbohydrate is produced by photosynthesis?
A: glucose",14,1
"Q: What is a substance that can not be broken down any further into other substances?
A: pure substance",24,1
"Q: In celsius, what is the temperature at which water freezes?
A: 32 degrees",22,0
"Q: What type of ecologists work to identify and manipulate the processes that most limit recovery of ecosystems from disturbances?
A: environmental",28,0
"Q: Dominant alleles rarely cause what type of disorders, since the mutant allele is likely to die out of the population?
A: mutations",29,0
"Q: German doctor rudolf virchow first discovered what process when studying living cells under a microscope?
A: radiation",25,0
"Q: A group of genetically identical individuals is called what?
A: brother",17,0
"Q: What sciences are the study of living organisms?
A: life sciences",17,1
"Q: A group of genetically identical individuals is called what?
A: brother",17,0
"Q: Chordates include vertebrates and invertebrates that have what?
A: chordate",18,0
"Q: What are regular changes in biology or behavior that occur in a 24 hour cycle?
A: cognitive rhythm",26,0
"Q: What orbits an atoms' nucleus?
A: negatively charged electrons",16,1
"Q: What do scientist's believe mercury's core is mostly made of?
A: water",22,0
"Q: What is the intersection point of the critical temperature and the critical pressure called?
A: critical point",23,1
"Q: What machines have scientist built to smash particles that are smaller than atoms into each other head-on?
A: energy accelerators",28,0
"Q: What bond is the force of attraction that holds together oppositely charged ions?
A: magnetic",22,0
"Q: A chemical property describes the ability of a substance to undergo a specific what?
A: weight Change",23,0
"Q: What is precipitation that flows over the surface of the land?
A: runoff",19,1
"Q: A man made lake is known as what?
A: Pond",16,0
"Q: The weather conditions in an area over time is also called a what?
A: climate",21,1
"Q: What do you call cellular respiration that does not need oxygen to proceed?
A: anaerobic respiration",22,1
"Q: An unbalanced force on an object in motion causes what?
A: agitation",18,0
"Q: Because force and electric field are what, they have direction as well as their value?
A: sensors",24,0
"Q: What does the esophagus produce for lubrication?
A: mucous",15,1
"Q: Which organ protects the body from injury, water loss, and microorganisms?
A: skin",21,1
"Q: Females of what mammalian group have mammary glands but lack nipples?
A: monotreme",20,1
"Q: What is the key issue in the small-population approach?
A: genetic variation",20,1
"Q: Where in the cell does photosynthesis occur?
A: cell wall",16,0
"Q: In plants, pigment molecules absorb only visible light for photosynthesis. the visible light seen by humans as white light actually exists in a what?
A: vacuum",34,0
"Q: What are the organelles on which proteins are made during protein synthesis called?
A: ribosomes",22,1
"Q: The movement of ice causes glaciers to have cracks referred to as?
A: crevasses",22,1
"Q: What is the process of removing wastes and excess water from the body called?
A: inspiration",22,0
"Q: When a solution freezes, only what particles come together to form a solid phase, while the presence of solute particles interferes with that process?
A: pigment",34,0
"Q: Most modern seed plants are angiosperms that produce seeds in the what of flowers?
A: lungs",24,0
"Q: The process by which leaves collect sunlight and make food is called this?
A: photosynthesis",21,1
"Q: The ions in ionic compounds are arranged in rigid three-dimensional patterns called what?
A: core lattices",24,0
"Q: What system protects the soft organs of the body?
A: skeletal system",18,1
"Q: What can be calculated by solving the average speed formula?
A: accelaration",20,0
"Q: What plant hormone allows plants to curve in a specific direction?
A: auxin",20,1
"Q: Terrestrial animals lose water by evaporation from their skin and which surfaces?
A: anaerobic",20,0
"Q: The fluid surrounding cells is hemolymph in insects and other animals with an open type of what system?
A: lymphatic",28,0
"Q: What type of contamination causes almost 90% of diarrheal disease worldwide?
A: water supply contamination",25,1
"Q: The ability of matter to combine chemically with other substances is known as?
A: reactivity",21,1
"Q: What is the matter through which sound waves travel?
A: medium",17,1
"Q: How are electrons shared in covalent bonds?
A: randomly",15,0
"Q: What is the unique layer of nerve cells covering the cerebrum in mammals' brains called?
A: the midbrain",27,0
"Q: Nails cover the tips of what?
A: lips and teeth",16,0
"Q: What is split to produce nuclear energy?
A: molecules",15,0
"Q: A, t, g, and c pairs are associated with what substance that is important in genetics?
A: dna",27,1
"Q: Surface tension and viscosity are generally associated with what form or state of matter?
A: solids",22,0
"Q: Prokaryotic cells have a cell wall located outside of the __________?
A: plasma membrane",22,1
"Q: What is the process in which an atom becomes an ion known as?
A: ionization",21,1
"Q: As a diver descends, the increase in pressure causes the body’s air pockets in the ears and lungs to do what?
A: heat up",33,0
"Q: What are observable patterns of stars found in the night sky called?
A: deformations",20,0
"Q: Corals build hard exoskeletons that grow to become what?
A: coral reefs",22,1
"Q: Surface tension comes from the fact that particles at the surface of a liquid do not experience interactions from all directions which leads to what on the surface?
A: degradation of forces",38,0
"Q: What kinds of acids are proteins made out of?
A: acetic acids",18,0
"Q: Rapidly produced genetic vairants are found in organisms with what type of generation time?
A: long",24,0
"Q: Asexual, sexual, budding, and parthenogenesis are all forms of what?
A: photosynthesis",24,0
"Q: Metabolism is an emergent property of life that arises from orderly interactions between what?
A: tissues",22,0
"Q: Most turtle bodies are covered by a special bony or cartilaginous shell developed from their what?
A: ribs",25,1
"Q: What is one function of the nervous system in humans?
A: controlling emotion",19,0
"Q: What natural process allows water to return again to the earth’s surface?
A: precipitation",22,1
"Q: In studying energy, what term do scientists use to refer to the matter and its environment involved in energy transfers?
A: molecule",29,0
"Q: What is the term for the average number of individuals in a population per unit of area or volume?
A: population diameter",28,0
"Q: Gas, liquid, and solid describe what property of matter?
A: states",19,1
"Q: Filter feeders, such as sponges, pump water into their body through what structures?
A: fibers",23,0
"Q: What does bowman's capsule form by surrounding the glomerulus?
A: pores",21,0
"Q: What is the term for when the phenotype of offspring is partly determined by the phenotype of its mother, irrespective of genotype?
A: maternal effect",32,1
"Q: Where do most red algae species live?
A: oceans",15,1
"Q: What occurs if oxygen cannot be obtained at a sufficient rate?
A: aerobic respiration",20,0
"Q: Which continent is the only one that reptiles don't inhabit?
A: antartica",21,1
"Q: What is critical for the formation of hemoglobin?
A: iron ions",17,1
"Q: Different interatomic distances produce different lattice what?
A: energies",16,1
"Q: What shape is the gametophyte in ferns?
A: heart-shaped",20,1
"Q: Why does water infiltrate the ground?
A: gravity",14,0
"Q: What type of gas is a harmless gas that living things add to the atmosphere during respiration?
A: carbon dioxide",26,1
"Q: When a stream flows from a hard to  soft rock area, what is often formed?
A: a waterfall",26,1
"Q: What is the measure of an individual’s weight-to-height ratio called?
A: body mass index (bmi)",29,1
"Q: What are biofilms resistant to many common forms of?
A: sterilization",18,1
"Q: How many digits do primates have on each extremity?
A: ten",17,0
"Q: The anterior half of the foot is formed by the five what type of bones?
A: malignancy bones",24,0
"Q: What is the breakdown of unstable elements into stable elements called?
A: radioactive decay",20,1
"Q: On top of the otolithic membrane is a layer of calcium carbonate crystals, called what?
A: otoliths",28,1
"Q: In which state of matter do particles take the shape of their container, but cannot expand to fill it?
A: liquid",28,1
"Q: What is the term for heat being transferred from molecule to molecule?
A: conduction",20,1
"Q: Natural convection is driven by what forces?
A: buoyant",15,1
"Q: What happens when more glucose is present than the proteins can handle, in the body?
A: excreted as urine",26,1
"Q: What is the name for a kind of animal that eats a mix of plant and animal foods.
A: an smorgasbord",30,0
"Q: What is name for a piece of collagen-rich skin formed after the process of wound healing that differs from normal skin?
A: scar",31,1
"Q: What does power imply is happening to energy?
A: being transferred",17,1
"Q: Pseudopods are temporary extensions of what?
A: the cell wall",17,0
"Q: How do plants and algae both make food?
A: photosynthesis",16,1
"Q: Photosynthesis uses solar energy, carbon dioxide, and water to produce energy-storing carbohydrates.what is produced as a waste product?
A: oxygen",34,1
"Q: An element that is generally a poor conductor of heat and electricity is known as a ______
A: magnet",24,0
"Q: The first leaves of most ferns appear curled up into what?
A: fiddleheads",20,1
"Q: Magma can be created when temperature rises, pressure lowers, or what else is added?
A: water",25,1
"Q: What are the blood vessels that carry blood toward the heart and tend to have thinner walls?
A: veins",25,1
"Q: What is the term for heterotrophs that eat only or mainly animals?
A: parasites",22,0
"Q: What is the name of the organelle that helps make and transport proteins and lipids?
A: endoplasmic reticulum",26,1
"Q: What type of respiration has the advantage of releasing more energy?
A: aerobic",19,1
"Q: What occurs when the amount of solute dissolved exceeds the solubility of the solute?
A: salination",23,0
"Q: What is another word for thermal energy?
A: solar",15,0
"Q: An elastic collision is one that conserves internal energy of what type?
A: thermal",21,0
"Q: How many years can dissolved carbon be stored in the deep ocean?
A: unknown",20,0
"Q: How many chromosomes are in each set?
A: 23",17,1
"Q: Negative feedback controls insulin secretion by what organ?
A: pancreas",16,1
"Q: When waves of two different frequencies interfere, what phenomenon occurs?
A: making",19,0
"Q: The prostate gland secretes a fluid that mixes with sperm to help form what?
A: testosterone",23,0
"Q: The process in which a sperm unites with an egg is called?
A: absorption",20,0
"Q: How does air pressure change as altitude increases?
A: goes up and down",19,0
"Q: When solids change to gasses, they generally pass through what other state?
A: liquid",22,1
"Q: What can be linked together to form disaccharides or polysaccharides?
A: monosaccharides",21,1
"Q: The only obvious difference between boys and girls at birth is what type of organs?
A: reproductive",23,1
"Q: Partial albinism results from a mutation in an enzyme that is involved in the production of what?
A: cytoplasm",27,0
"Q: What type of energy occurs by splitting the nuclei of radioactive uranium?
A: nuclear",20,1
"Q: The geologic time scale is divided into eons, eras, periods, and?
A: epochs",23,1
"Q: What are specialized cells that are capable of sending electrical as well as chemical signals?
A: hormones",23,0
"Q: What is the main makeup of the cell membrane?
A: phospholipids",18,1
"Q: What is the order and family of a meat-eating cat like a tiger?
A: Synapsida felidae",27,0
"Q: Whether focused on ancient life, the life of bacteria, or how humans could live on the moon, four unifying principles form the basis of what branch of science?
A: electronics",39,0
"Q: What will spores that eventually germinate develop into?
A: new hyphae",18,1
"Q: Which theory explains how populations of organisms can change over time?
A: free by natural selection",22,0
"Q: What is the name of a tough, fibrous membrane which protects the outer layer of bone?
A: the periosteum",29,1
"Q: How many years can dissolved carbon be stored in the deep ocean?
A: unknown",20,0
"Q: Which cycle tracks the flow of nitrogen through an ecosystem?
A: nitrogen cycle",19,1
"Q: Like the other outer planets, neptune has rings of ice and what?
A: dust",22,1
"Q: What is it called when electrons are shared equally?
A: polar bonds",18,0
"Q: A goiter is a visible indication of deficiency of what?
A: arsenic",19,0
"Q: A voltaic cell uses what type of reaction to generate an electric current
A: spontaneous catalyst",22,0
"Q: Which three colors are called the primary colors of light?
A: red, green, blue",22,1
"Q: What protects you from pathogens and keeps you healthy?
A: immune system",18,1
"Q: After infecting a host, what inactive state do some viruses enter?
A: hibernation",20,0
"Q: What is the protein that carries iron that binds with oxygen in red blood cells?
A: hemoglobin",23,1
"Q: A mass suspended by a wire is a simple type of what and undergoes simple harmonic motion for amplitudes less than about 15 degrees?
A: pendulum",34,1
"Q: What is the change in a species over time?
A: evolution",17,1
"Q: What bonds form because they give atoms a more stable arrangement of electrons?
A: Hydrogen bond",22,0
"Q: Batteries produce voltage through what type of reaction?
A: chemical",16,1
"Q: What type of protein is a protein molecule that is attached to, or associated with the membrane of a cell or an organelle?
A: amino acid",34,0
"Q: Electrical messages are carried by chemicals called what?
A: neurotransmitters",17,1
"Q: What kind of harm does a corrosive substance cause?
A: eats through objects",19,1
"Q: What is the name of the period of transition between the beginning of puberty and adulthood?
A: adolescence",24,1
"Q: What is the process by which the substances you consume are taken up by the blood?
A: evaporation",24,0
"Q: Dietary proteins are broken down into amino acids during what process?
A: accumulation",19,0
"Q: What is one trait that the sponge and tarantula share?
A: lack of a backbone",22,1
"Q: Fungus-like protist saprobes play what role in a food chain and are specialized to absorb nutrients from nonliving organic matter, such as dead organisms or their wastes?
A: aphids",42,0
"Q: What is a measure of the change in velocity of a moving object?
A: inclination",21,0
"Q: What is the theoretical event that began the universe often called?
A: Coreolis effect",21,0
"Q: Increasing the temperature of n2 molecules increases what energy of motion?
A: compression energy",21,0
"Q: In which order does the reactivity of halogen group decline?
A: top to bottom",20,1
"Q: This sharing of electrons produces what is known as a covalent bond. covalent bonds are ~20 to 50 times stronger than what?
A: van der waals interactions",39,1
"Q: The process of producing mature sperm is called what?
A: spermatogenesis",18,1
"Q: What still causes fatal lung disease in nonsmokers?
A: nicotine",18,0
"Q: Screws move objects to a higher elevation by increasing what?
A: velocity",18,0
"Q: Which fuels provide most of the world’s energy?
A: coal fuels",19,0
"Q: What surrounds the lungs in a thoracic cavity?
A: double membrane",17,1
"Q: Soft cartilage gradually turns into hard bone through what process?
A: ossification",19,1
"Q: Which structure includes sugar-phosphate ""backbones"", composed of alternating phosphate groups and deoxyribose sugars, and nitrogenous bases?
A: molecule double helix",35,0
"Q: All lipids have two distinct domains, a hydrophobic and a what?
A: hydroceptive",21,0
"Q: What process is the primary function of the branching internal tubules called protonephridia?
A: thermoregulation",27,0
"Q: Breaking of weak bonds, which tend to form between positive and negative charges, does not require much what?
A: energy",28,1
"Q: What is the pairing of an adult male to an adult female to produce young?
A: evolution",23,0
"Q: What is the term for a galaxy that is a rotating disk of stars and dust?
A: spiral galaxy",25,1
"Q: What make us sick when they become human parasites?
A: protozoa",18,1
"Q: Both energy and heat can be expressed in units of what?
A: joules",20,1
"Q: What is destroying the layer of good ozone?
A: air pollution",17,1
"Q: The contents of which organ are mixed every 20 seconds?
A: the stomach",21,1
"Q: What does urine leave the body through?
A: vagina",15,0
"Q: The planet neptune has strange dark spots that sometimes appear on its surface?  what are these spots?
A: seas",28,0
"Q: Normal body temperature is ideal for most of what type of reactions?
A: biochemical",20,1
"Q: What causes earthquakes at mid-ocean ridges to be small and shallow?
A: plates are thin , young , and hot",28,1
"Q: Energy transfer between what kinds of levels is generally rather inefficient?
A: trophic",19,1
"Q: Name the physical phenomenon of the ocean that has a significant impact on both ocean life and human life.
A: las nino",29,0
"Q: What is each half of the cerebrum called?
A: demisphere",19,0
"Q: Focused on evolution, the studies of what man have reshaped and influenced all aspects of biology?
A: Linnaeus",26,0
"Q: The primary output of the basal nuclei is to the thalamus, which relays that output to where?
A: effect cortex",28,0
"Q: The process of transferring pollen from the male reproductive part of a flower known as the anthers to the female reproductive part of the flower known as the stigma is referred to as what?
A: inoculation",43,0
"Q: What do power plants burn to generate electricity?
A: fossil fuels",17,1
"Q: What happens when alkanes are mixed with oxygen at room temperature?
A: no reaction",22,1
"Q: What is an element that tend to be malleable?
A: metal",18,1
"Q: Fungus-like protists are what kind of feeders?
A: absorptive",21,1
"Q: The epidermis consists mainly of what type of cells?
A: epithelial",17,1
"Q: During photosynthesis what organelle is used by plants to change sunlight into chemical energy?
A: chloroplasts",24,1
"Q: The sun and all objects held by it's gravity make up the?
A: solar system",23,1
"Q: Quarks also have a different type of charge, called what?
A: contrast charge",21,0
"Q: What is a person who studies the frequency and distribution of disease within human populations and environments called?
A: epidemiologist",27,1
"Q: Synaptic connections can change over time depending on what?
A: weight",18,0
"Q: What is the name given to the use of controlled nuclear fusion as an energy source?
A: generator power",25,0
"Q: What is defined as male gametes that form in the testes and mature in the epididymis?
A: sperm",27,1
"Q: Lysosomes have what type of enzymes that break down old molecules into parts that can be recycled?
A: digestive",26,1
"Q: What is the top 200 meters of water in the ocean called?
A: over zone",24,0
"Q: Which genetic disorder results in the inability of melanocytes to produce melanin?
A: anemia",21,0
"Q: What kind of reactions between an acid and a base yield a salt and water?
A: neutralization",23,1
"Q: Red blood cells, white blood cells and what other cell is found in blood?
A: hemoglobin",23,0
"Q: Parthenogenesis is the most common form of what in animals that at other times reproduce sexually?
A: sexual dimorphism",27,0
"Q: What natural process is associated with the death of cells?
A: aging",18,1
"Q: Although surface waves are slowest, they do most of the damage of what event?
A: earthquake",23,1
"Q: Circular water waves decrease in what property as they move away from where a rock is dropped?
A: voltage",25,0
"Q: What is the year cycle that sunspots occur?
A: 12",19,0
"Q: What is the net force when two forces act in the same direction?
A: number of the forces",24,0
"Q: All compounds, whether ionic or covalent, must be what?
A: abnormal neutral",20,0
"Q: Where are protons and neutrons located?
A: nucleus",14,1
"Q: What is the most important muscle involved in the process of breathing?
A: diaphragm",20,1
"Q: Where do most ecosystems get energy from?
A: sunlight",15,1
"Q: What do male cones in seed plants contain?
A: nutrients",16,0
"Q: The development of specific structures in specific locations is called what?
A: speciation",19,0
"Q: What are small planets in our solar system called?
A: scrub planets",18,0
"Q: Arteries carry oxygenated blood away from the heart, what carries un-oxygenated blood back to the heart?
A: veins",30,1
"Q: What is the theory scientists use to explain the matter in the universe and how it's held together?
A: standard model",29,1
"Q: What is a type of cell that supports neurons and maintains their environment?
A: axon cell",22,0
"Q: An element is defined by the number of ____ it contains?
A: protons",19,1
"Q: Green algae and land plants are closely what?
A: unrelated",16,0
"Q: Many carbohydrates can enter glycolysis, most often after conversion to what?
A: glucose",21,1
"Q: Chloroplasts are the little green particles in plants made up of what colorful pigment?
A: chlorophyll",23,1
"Q: The energy of a photon is directly proportional to the frequency of the electromagnetic what?
A: evaporation",23,0
"Q: Electrons are not shared equally between the two atoms in which type of covalent bonds?
A: polar",24,1
"Q: What does interstellar medium consist of?
A: gravitational waves",15,0
"Q: What do we call the diffusion of water across a membrane because of a difference in concentration?
A: cell transportation",26,0
"Q: How many pairs of autosomes are there?
A: five",16,0
"Q: Where does the purple color in quartz come from?
A: aluminum",17,0
"Q: What is the term for a technique used to separate out homogeneous mixtures in which one or more solids are dissolved in a liquid?
A: evaporation",32,1
"Q: What work together in pairs to bend or straighten a joint?
A: nerve fibers",20,0
"Q: An excessive posterior curvature of the thoracic region is also known as what?
A: kyphosis",23,1
"Q: What is the main function of blood?
A: to transport",16,1
"Q: The vas deferens and ejaculatory ducts are part of what system?
A: male reproductive system",23,1
"Q: When fossil fuel is burned the chemical energy is converted into what?
A: kinetic energy",21,0
"Q: In most fish, where does the embryo develop in relation to the mother's body?
A: outside",25,1
"Q: What is a galvanic process that can be prevented using cathodic protection?
A: explosion",22,0
"Q: Snakes use what anatomical structure to smell scents in the air?
A: forked tails",20,0
"Q: When does the diploid zygote form?
A: never",16,0
"Q: Hybrid orbitals are formed only in which type of bonded atoms?
A: covalently",20,1
"Q: Along with climate, this also influences the type of vegetation that can grow in the region?
A: gravity",25,0
"Q: Both mitosis and meiosis result in eukaryotic cells doing what?
A: dividing",18,1
"Q: The ability for a plasma membrane to only allow certain molecules in or out of the cell is referred to as what?
A: selective permeability",31,1
"Q: The sweat glands of the armpit are classified as these?
A: mucus glands",20,0
"Q: Ribosomes are produced in the nucleolus, and then transported to the what?
A: cytoplasm",23,1
"Q: What do anglerfish use their glow-in-the-dark, rod-like structure for?
A: to find a mate",30,0
"Q: What are the earliest and simplest vertebrates?
A: fish",15,1
"Q: Plant cells have structures that animal cells?
A: lack",15,1
"Q: What are the most abundant unicellular algae in the oceans?
A: chlorella",21,0
"Q: What process is the opposite of fusion and releases energy only when heavy nuclei are split?
A: fission",24,1
"Q: Vibrating objects such as drumheads produce what?
A: negative ions",18,0
"Q: Snippet 3: the diploid cells resulting from karyogamy are short-lived and undergo meiosis, producing what?
A: binary spores",32,0
"Q: Plants not only contribute food but what else for organisms?
A: dioxide",18,0
"Q: What planet is a blue green color?
A: uranus",16,1
"Q: The angle at which light bends when it enters a different medium is known as what?
A: refraction",24,1
"Q: How do they classify tornadoes?
A: wind speed",14,1
"Q: How many electrons can be accommodated in the first electron shell's orbital?
A: 2",23,1
"Q: Which plants sometimes colonize areas by disrupting interactions between native organisms?
A: invasive exotic plants",22,1
"Q: What is the process where scientific articles are checked and analyzed by other scientists before publication?
A: mechanism review",25,0
"Q: _________ are one-celled organisms with a nucleus which cause diseases such as malaria.
A: fungi",23,0
"Q: The cells of all eukarya have a what?
A: nucleus",18,1
"Q: What move the body by contracting against the skeleton?
A: muscles",17,1
"Q: Underground rock in a molten state is called?
A: magma",16,1
"Q: What is produced by the reaction of metal oxide with water?
A: soluble metal hydroxides",23,1
"Q: What cause the rippled surface of the ocean?
A: winds",17,0
"Q: What ""plumbing"" structures inside the veins maintain a unidirectional flow of blood despite the low blood pressure?
A: funnels",30,0
"Q: Unlike ammonia, oxygen cannot be liquefied at room temperature because its what is below room temperature?
A: relaxed temperature",27,0
"Q: Which carbohydrates can be classified in terms of chain length?
A: binary",18,0
"Q: Solution nodes and antinodes are both areas of wave interference, but they differ in the presence of what condition?
A: motion",30,1
"Q: In this type of reaction, an element replaces another element in a compound, and the element is in any state of matter but is not an ion?
A: double-replacement reaction",40,0
"Q: Are giraffes herbivores or are they omnivores?
A: neither",18,0
"Q: Certain characteristics are frequently inherited together because of what?
A: correlation",17,0
"Q: Magnetite crystals in lava typically point to what geographic location?
A: the equator",20,0
"Q: What type of plants supplement their mineral nutrition by digesting animals?
A: carnivorous",21,1
"Q: Single bonds allow the atoms they join to rotate freely about the what?
A: bond axis",22,1
"Q: Each vertebral vein also flows into which vein?
A: trichina",17,0
"Q: When sand is deposited along a shoreline, what is created?
A: beach",19,1
"Q: E. coli need what kind of acids to survive?
A: amino",18,1
"Q: What type of bond forms by unpaired electrons from two atoms ""matching up""?
A: reactive bond",24,0
"Q: In the vast majority of ectopic pregnancies, the embryo does not complete its journey to what organ, and instead implants in the uterine tube?
A: stomach",35,0
"Q: In which organ does a baby develop?
A: pelvis",15,0
"Q: Which law refers to the electron charge remaining the same during transfer?
A: law of conservation of charge",24,1
"Q: The most powerful or influential individual in a group is sometimes called what?
A: superior",21,0
"Q: Some enzymes require the presence of a non-protein molecule to function properly. what is that molecule called?
A: substrate",28,0
"Q: What is the volume of the molecules of an ideal gas?
A: three",19,0
"Q: In birds, modified front legs are actually what?
A: wings",17,1
"Q: How many types of glands does the dermis contain?
A: three",18,0
"Q: Homes and transportation use what percent of all energy in the u.s.?
A: half (fifty)",25,1
"Q: In a medium, the closer the distribution of the material gets to what state, the slower the rate of diffusion becomes?
A: erosion",31,0
"Q: The first reaction of the body to tissue damage or infection is called the what response?
A: inflammatory",24,1
"Q: The cycle of copper reacting is a good example of what principle?
A: law of inertia",22,0
"Q: Fungi cause three different types of human illness: poisonings, parasitic infections, and what?
A: diarrhea",25,0
"Q: Short chains of two amino acids (dipeptides) or three amino acids (tripeptides) are also transported actively. however, after they enter the absorptive epithelial cells, they are broken down into their amino acids before leaving the cell and entering the capillary blood via what?
A: osmosis",64,0
"Q: All living things maintain a stable internal environment through what process?
A: homeostasis",19,1
"Q: What is a close relationship between two species in which at least one species benefits?
A: symbiosis",24,1
"Q: Water that is lost through the skin through evaporation from the skin surface without overt sweating and from air expelled from the lungs is known as what?
A: dehydration",35,0
"Q: Roundworms feed on various things, one of them being decaying organic matter.  doing this, they play an important role in what famous cycle?
A: life cycle",37,0
"Q: What kind of compounds contain positively and negatively charged ions in a ratio that results in an overall charge of zero?
A: ionic compounds",30,1
"Q: What is the temperature at which condensation of water vapor occurs called?
A: the dew point",22,1
"Q: What science is the study of matter and the changes it undergoes?
A: biology",20,0
"Q: Observations suggest that a force applied to an object is always applied by what?
A: itself",22,0
"Q: What is the name of the stage of life when a child becomes sexually mature?
A: puberty",23,1
"Q: Bile salts produced by the liver assist in breaking apart what kind of fats?
A: dietary",22,1
"Q: What light-producing process occurs when a substance absorbs shorter-wavelength ultraviolet light and then gives off the energy as visible light?
A: fluorescence",32,1
"Q: Some microorganisms can digest cellulose, breaking it down into what?
A: glucose monomers",20,1
"Q: In which organs does gas exchange take place between blood and air?
A: liver and spleen",22,0
"Q: What term describes a disease in which the immune system attacks the body’s own cells?
A: autoimmune",25,1
"Q: What type of bacteria causes the disease called tuberculosis?
A: mycobacterium",18,1
"Q: Which part of the nerve cell helps transmit nerve impulses?
A: dendrites",19,0
"Q: What are the two classifications of natural resources?
A: renewable and reusable",18,0
"Q: What type of matter transmits light without scattering it?
A: opaque",17,0
"Q: Vectors along the same line can be what to one another like ordinary numbers?
A: added",22,1
"Q: What are the light highlands of the moon called?
A: mariae",18,0
"Q: What two structures are found on mars?
A: geysers and canyons",19,0
"Q: What are most metal objects made of?
A: tin",15,0
"Q: What is the inner layer of skin called?
A: the dermis",18,1
"Q: Low yields of nitric oxide, no, form when heating nitrogen and oxygen together. no also forms when lightning passes through air during this?
A: thunderstorms",34,1
"Q: What type of cells are flagella rare in?
A: intracellular",17,0
"Q: Connected to agriculture, forestry, mining, and urbanization, what is the single biggest cause of extinction today?
A: freshwater loss",29,0
"Q: Groupings of related organs in the human body are referred to as ""organ"" what?
A: systems",25,1
"Q: What is the term for the development of an embryo inside an egg within the mother’s body until it hatches?
A: ovovivipary",33,1
"Q: What type of plants do not typically require deep roots or woody stems?
A: surface plants",22,0
"Q: The epidermis consists mainly of what type of cells?
A: epithelial",17,1
"Q: What is the last step in a scientific investigation?
A: communicating findings",18,1
"Q: What disease occurs when cells in the breast grow out of control and form a tumor?
A: adult breast growth",26,0
"Q: In the body, what essential substance is pumped from the heart into arteries and then eventually into capillaries?
A: blood",27,1
"Q: In some cases, the nervous system directly stimulates endocrine glands to release hormones, which is referred to as what?
A: neural stimuli",30,1
"Q: How are electrons shared in covalent bonds?
A: randomly",15,0
"Q: Unlike a crystalline solid, an amorphous solid is a solid that lacks a what?
A: ordered internal structure",25,1
"Q: How many electrons are in the hydrogen atom?
A: five",16,0
"Q: Almost all fungi reproduce asexually by producing what?
A: ions",18,0
"Q: What is a form of mechanical energy that starts with a vibration in matter?
A: solar energy",23,0
"Q: Screws move objects to a higher elevation by increasing what?
A: velocity",18,0
"Q: Where are the two tonsils located?
A: throat",15,1
"Q: What gases move in and out of blood during gas exchange?
A: oxygen, carbon monoxide",22,0
"Q: Extrusive igneous rocks are also called what?
A: metamorphic",16,0
"Q: Both diffusion and effusion are related to the speed at which what objects move?
A: electricity",22,0
"Q: Ions can be formed when atoms lose what other particles?
A: neutrons",19,0
"Q: What large organelle comprised of cup-shaped discs is found close to the nucleus of the cell, where it modifies proteins that have been delivered in transport vesicles?
A: golgi apparatus",41,1
"Q: The body does not exist in isolation. there is a constant input of water and electrolytes into the system. while osmoregulation is achieved across membranes within the body, excess electrolytes and wastes are transported to the kidneys and excreted, helping to maintain this?
A: osmotic balance",58,1
"Q: The four moons of jupiter are collectively named after what 17th century astronomer, who discovered them?
A: galileo",29,1
"Q: Free ear lobes, widow's peak and a dimpled chin are examples of what kind of traits in humans?
A: mendelian",32,1
"Q: The amniotes are distinguished from amphibians by the presence of a terrestrially adapted egg protected by what?
A: hard shell",29,0
"Q: Extensive and intensive are categories of properties that apply to what?
A: matter",19,1
"Q: What forms when nitrogen and oxygen combine at high temperatures?
A: nitrogen oxide",19,1
"Q: What phase follows ovulation?
A: interstitial phase",13,0
"Q: Where does the process of digestion start?
A: esophagus",15,0
"Q: When the number of active receptors falls below that threshold, what happens to the cellular response?
A: it ceases",26,1
"Q: The thalamus acts as a gateway to and from what?
A: pons",20,0
"Q: What term is used to describe large numbers of species that go extinct in a short amount of time?
A: formation extinction",28,0
"Q: What is created by the polymerization of glucose?
A: cellulose",16,1
"Q: Which common oxidizing agent can be used to oxidize alcohols?
A: potassium dichromate",22,1
"Q: The white mountains in new hampshire are part of what province?
A: appalachian",22,1
"Q: If a gyroscope is not spinning, it acquires angular momentum in the direction of what?
A: torque",25,1
"Q: Some leaves are attached to the plant stem by a petiole. leaves that do not have a petiole and are directly attached to the plant stem are called this?
A: sheath leaves",41,0
"Q: What type of pathogen is responsible for african sleeping sickness?
A: trypanosoma",20,1
"Q: What is the 'stuff' that all things are made of?
A: minerals",20,0
"Q: The burning of charcoal is what type of reaction?
A: condensation",17,0
"Q: Each type of electromagnetic radiation has a characteristic range of wavelengths. the longer the wavelength (or the more stretched out it appears), the less energy is carried. short, tight waves carry what?
A: most energy",46,1
"Q: Because complex plant carbohydrates such as cellulose are more difficult to digest, what animal diet is associated with a complicated digestive system?
A: herbivore",32,1
"Q: During the scientific revolution, who proposed that the sun, not earth, is the center of the solar system?
A: copernicus",31,1
"Q: Sutures, gomphoses, and syndesmoses are types of what, which are found where adjacent bones are strongly united by connective tissue?
A: fibrous joints",38,1
"Q: In desert cactus, thorns that protect the water held in a large, barrel-shaped stem are an example of what?
A: feature",31,0
"Q: What is the name of the process for delivering water to crops?
A: drainage",20,0
"Q: Developing cars that run on hydrogen gas can help solve our dependence on what?
A: oxygen",22,0
"Q: Which common type of diabetes is also known as noninsulin-dependent or adult-onset diabetes?
A: type 2",28,1
"Q: Where does the energy from an atomic bomb come from?
A: nucleus of atom",20,1
"Q: What is the single bone that forms the posterior skull and posterior base of the cranial cavity?
A: occipital bone",26,1
"Q: Snails, scallops, and squids are examples of invertebrates called what?
A: mollusks",23,1
"Q: What is a mixture of eroded rock, minerals, partly decomposed organic matter, and other materials called?
A: soil",27,1
"Q: What is the distinctive shape of the molecule that contains genetic information?
A: cube",20,0
"Q: What do we call animals that have a backbone and belong to the phylum chordata?
A: vertebrates",25,1
"Q: Genetics is the branch of biology that focuses on heredity in what?
A: schools",20,0
"Q: What is the plane that divides the body or an organ vertically into right and left sides?
A: median plane",26,0
"Q: Inside the nasal area of the skull, the nasal cavity is divided into halves by the what?
A: nasal septum",27,1
"Q: What type of transport is vesicle transport considered to be?
A: passive transport",19,0
"Q: Roots grow in length and width from the primary and secondary what?
A: meristem",21,1
"Q: Which latitudes get the most energy from the sun?
A: lowest latitudes",18,1
"Q: The point in front of a mirror where the reflected rays intersect is known as what?
A: focal point",25,1
"Q: Oxygenated air, taken in during inhalation, diffuses across the surface of the lungs into the what?
A: liver",28,0
"Q: What causes polarization in a neutral object?
A: meaning of charges",17,0
"Q: Where on the earth's surface does the water cycle takes place?
A: on , below , and below",26,0
"Q: What is the name for biochemical compounds that consist of one or more chains of small molecules called amino acids?
A: lipids",28,0
"Q: Located above the stratosphere, what layer is the place where meteors burn up?
A: unisphere",25,0
"Q: What do you call a mixture in which some particles settle out of it when it is left standing?
A: emulsion",27,0
"Q: What reduces the need for pesticides and other toxic chemicals?
A: fungi",18,1
"Q: What happens do the sound during a resonance?
A: it becomes quieter",18,0
"Q: Echinoderms have a unique system for gas exchange, nutrient circulation, and locomotion called the water vascular system. the system consists of a central ring canal and radial canals extending along each arm. water circulates through these structures allowing for gas, nutrient, and this?
A: water evaporation",61,0
"Q: What do ions of the same charge do?
A: repel each other",18,1
"Q: The bright color of poison dart frogs serves what purpose?
A: warning predators",19,1
"Q: Silicon and germanium react with nitrogen at high temperature to form what?
A: nitrides",22,1
"Q: What laboratory instrument is used to analyze and test for static charge?
A: electroscope",21,1
"Q: Blood from the body enters what chamber of the heart before it is pumped to the right ventricle and then to the lungs?
A: left ventricle",32,0
"Q: What is the process by which the egg is fertilized by the pollen of the same flower?
A: self pollination",26,1
"Q: Marine fishes take in divalent ions by incessantly drinking what?
A: sand",19,0
"Q: What is the term for the dark brown or black coating found on exposed desert rocks, which is formed of iron and manganese oxides?
A: desert patina",34,0
"Q: Gas exchange during respiration occurs primarily through what?
A: vaporization",17,0
"Q: What still causes fatal lung disease in nonsmokers?
A: nicotine",18,0
"Q: A hydraulic jack that makes it possible to lift a car easily is an example of what, meaning it produces mechanical advantages?
A: quantum physics",32,0
"Q: Females are not influenced by the male sex hormone testosterone during embryonic development because they lack what?
A: y chromosome",26,1
"Q: What is a winding ridge of sand deposited by a stream of meltwater called?
A: sand dune",24,0
"Q: Plasmodesmata passes through what part of plants?
A: nucleus",17,0
"Q: Which system refers to the skin and its accessory structures?
A: digestive system",19,0
"Q: What occurs when groups from the same species stop mating because of something other than physical or geographic separation?
A: sympatric speciation",29,1
"Q: What type of muscle is found in the walls of other internal organs such as the stomach?
A: Fiber Muscle",26,0
"Q: What part of a bird is adapted for the food it eats?
A: beak",20,1
"Q: Transport vesicles move what type of molecules from the rough endoplasmic reticulum to the golgi apparatus?
A: acids",26,0
"Q: In mammals, hair or fur help conserve bodily what?
A: food",18,0
"Q: What changes encoded waves which are being broadcast into sounds?
A: radio receivers",19,1
"Q: What goes through different larval stages?
A: crustaceans",15,1
"Q: Which cell gives rise to all cells of the human body?
A: totipotent stem cell",23,1
"Q: The name carbon tetrachloride implies one carbon atom and four of which other atoms?
A: chlorine",22,1
"Q: What can protons and neutrons be broken down into?
A: quarks",17,1
"Q: What do you call the entire range of wavelengths of electromagnetic waves?
A: electric spectrum",21,0
"Q: In humans, a zygote has how many chromosomes?
A: 46",21,1
"Q: What are the vertical columns of similar chemical properties on the periodic table?
A: groups",21,1
"Q: Within the first 8 weeks of gestation, a developing embryo establishes the rudimentary structures of all of its organs and tissues from the ectoderm, mesoderm, and endoderm. this process is called what?
A: organogenesis",49,1
"Q: Which law means that the simplest of competing theories is most likely to be correct?
A: Newton's law",26,0
"Q: Temporal and spatial summation at the axon hillock determines whether a neuron generates what?
A: action potential",25,1
"Q: What form when water vapor condenses in the air around specs of matter?
A: clouds",22,1
"Q: Moist skin distinguishes frogs from what animal with dry, bumpy skin?
A: toads",21,1
"Q: Chemical elements and water are constantly recycled in the ecosystem through what?
A: geothermal cycles",21,0
"Q: The eardrum is part of what part of the ear?
A: main",20,0
"Q: What occurs when a former inhabited area gets disturbed?
A: tertiary succession",18,0
"Q: Where are the somas of sensory neurons located in the spinal cord?
A: dorsal root ganglia",23,1
"Q: A few elements, called what, can conduct electricity, but not as well as metals?
A: metalloids",26,1
"Q: What is the multicellular diploid stage called?
A: sporophyte",17,1
"Q: What is the name of the process in which solid food waste is passed out of the body?
A: extinction",26,0
"Q: What is a measurement of the amount of variation of the species in a given area called?
A: biodiversity",25,1
"Q: Where are bile acids, needed to emulsify lipids, stored in the body?
A: gallbladder",23,1
"Q: When the helium is gone, the stars become what?
A: comets",18,0
"Q: Which area of the human heart pumps the blood to the right ventricle?
A: left atrium",22,0
"Q: What term is used to describe the conditions in the sky on any particular day?
A: weather",23,1
"Q: What percentage of all species that ever lived on earth have gone extinct?
A: 99%",24,1
"Q: Where does the majority of chemical digestion occur?
A: small intestine",17,1
"Q: What is the addition of nucleotides to the mrna strand?
A: insertion",19,0
"Q: Rna is especially important during synthesis of what?
A: protein",17,1
"Q: Which blood cells serve to defend the body in various ways?
A: white blood cells",21,1
"Q: What is the measurement for the amount of water vapor in the air?
A: humidity",21,1
"Q: The first reaction of the body to tissue damage or infection is called the what response?
A: inflammatory",24,1
"Q: What does parasitic mean?
A: lives in host",14,1
"Q: The process of splitting atoms creates what kind of waste?
A: recyclable",18,0
"Q: Bacteria are often used to make cheese from what?
A: meat",17,0
"Q: Most of a mushroom's surface area is actually where?
A: underground",19,1
"Q: What has hot days and cool nights, and are typically covered with sand dunes or sparse but hardy plants?
A: rain forest",29,0
"Q: What type of organism is commonly used in preparation of foods such as cheese and yogurt?
A: protozoa",25,0
"Q: What type of tissue runs the length of a stem in vascular bundles?
A: thermal tissue",22,0
"Q: What type of chloride is a non-volatile material, but does not dissolve in water?
A: pink chloride",26,0
"Q: Sight, hearing, balance, taste, smell, and touch are types of what?
A: senses",24,1
"Q: What type of coal is formed at lower temperatures?
A: clean",17,0
"Q: The periodic table is one of the cornerstones of chemistry because it organizes all the known elements on the basis of their what?
A: chemical properties",33,1
"Q: One of the simplest machines is the lever, which is a rigid bar pivoted at a fixed place called what?
A: fulcrum",31,1
"Q: What do corals secrete that builds up to become a coral reef?
A: exoskeletons",23,1
"Q: What is the term for the remains or traces of living organisms?
A: remains",20,0
"Q: What system gets less effective with age, that generally makes older people more disease susceptible?
A: infectious system",25,0
"Q: What material used for helium-filled balloons is dense, strong and opaque, with a high molecular mass that forms films that have many fewer pores than rubber?
A: mylar",39,1
"Q: Which part of a leaf contains openings known as stomata, through which the exchange of gases takes place?
A: epidermis",28,1
"Q: Cells infected with viruses secrete what example of early induced proteins, which travel to adjacent cells and induce them to make antiviral proteins, a sacrifice that protects the surrounding cells?
A: interferons",41,1
"Q: When solvent molecules selectively pass through a membrane from a dilute solution to concentrated solution, what process is occurring?
A: plasmolysis",30,0
"Q: Proper kidney function is essential for homeostasis of what level, which in turn helps ensure the functioning of enzymes?
A: ph",28,1
"Q: How do cancer cells typically spread from one part of the body to another?
A: bloodstream",22,1
"Q: Electrons can move from one atom to another; when they do, specimens called what, with overall electric charges, are formed?
A: atoms",33,0
"Q: Which type of muscle is most common in the human body?
A: skeletal",19,1
"Q: Which part of the body of amphibians, easily absorbs substances from the environment?
A: skin",22,1
"Q: What is the term for changes in speed or direction, changes that make a roller coaster ride so exciting?
A: acceleration",28,1
"Q: Scientists use what scale to illustrate the order in which events on earth have happened?
A: ecological succession",24,0
"Q: Photoautotrophs including (a) plants, (b) algae, and (c) cyanobacteria synthesize their organic compounds via photosynthesis using sunlight as this?
A: light source4",41,0
"Q: What kind of bases completely dissociate in water, releasing all hydroxide anions into the solution?
A: strong",25,1
"Q: An ecosystem consists of all the living things and what?
A: living environment",19,0
"Q: Exemplified by a lit match bursting into flame or the process that forms fossil fuels, chemical reactions vary greatly in terms of what?
A: duration",34,0
"Q: A few elements, called what, can conduct electricity, but not as well as metals?
A: metalloids",26,1
"Q: What part of the sperm contains the genetic material?
A: the ""head""",20,1
"Q: Bone tissues include compact bone, spongy bone, bone marrow, and?
A: cartilage",22,0
"Q: What is the best room in the home to start saving water?
A: the bedroom",21,0
"Q: How many different amino acids make up proteins.
A: 14",18,0
"Q: What are the only innate behaviors in humans?
A: learned behaviors",17,0
"Q: The electrolysis of what substance produces hydrogen and oxygen gases
A: cholesterol",17,0
"Q: The as yet undiscovered grand unified theory is a search to unify laws of what branch of science?
A: physics",27,1
"Q: Many deleterious alleles have such severe effects that a homozygous embryo spontaneously aborts long before what?
A: birth",25,1
"Q: Water is formed from oxygen and what other element?
A: hydrogen",17,1
"Q: What is a device used to measure temperature changes during chemical processes called?
A: calorimeter",21,1
"Q: What is another term for a hand lens?
A: magnifying glass",17,1
"Q: The diffusion of water across a membrane because of a difference in concentration is called?
A: absorption",23,0
"Q: What carries blood away from the heart?
A: arteries",15,1
"Q: Oils are liquid lipids that plants use for storage of what?
A: fat",19,0
"Q: Similarity of crystal structures is used to categorize what non-living materials?
A: salts",21,0
"Q: In a scientific investigation, what do you call a direct, physical observation of something or a process?
A: evidence",27,1
"Q: What is the column of hot rock that continuously brings hot rock up from the mantle toward the crust?
A: mantle plume",28,1
"Q: A _______ of biology is a fundamental concept that is just as true for a bee or a sunflower as it is for us.
A: hypothesis",32,0
"Q: Where does digestion begin?
A: gastrovascular cavity",14,1
"Q: Lymphatic capillaries are interlaced with the arterioles and venules of which system?
A: cardiovascular system",25,1
"Q: What are boggy regions with thick layers of peat called?
A: peatlands",20,1
"Q: What is located beneath the lithosphere?
A: hydropshere",17,0
"Q: What is the term for daily cycles of behavior, like the sleep-wake cycle?
A: daily rhythms",25,0
"Q: What branch of biology studies animal behavior?
A: ethology",16,1
"Q: What are the special compartments that are surrounded by membranes inside eukaryotic cells called?
A: organelles",22,1
"Q: What is the process of small molecules passing through the plasma membrane called?
A: diffusion",21,1
"Q: What term is used to describe the average weather of a place over many years?
A: climate",23,1
"Q: What do you call scientists that study the weather, specifically?
A: meteorologists",20,1
"Q: A can of warm soda will fizz more because increasing the temperature decreases the what of a gas?
A: solubility",26,1
"Q: What is the outer layer of skin, consisting almost entirely of epithelial cells?
A: hypodermis",24,0
"Q: What term that shows how fast a population is growing includes new members added to the population over a given period, as well as old members removed from the population?
A: birth rate",40,0
"Q: What biome is located between the temperate and tropical biomes?
A: subtropical",19,1
"Q: In the mammal family, what is the name for hoofed animals, such as deer, sheep, goats, pigs, buffalo, elephants and giraffes?
A: primates",38,0
"Q: Dragonflies were one of the first insects to do what?
A: swim",19,0
"Q: Lack of which attachment makes ester molecules incapable of intermolecular hydrogen bonding?
A: carbon fluorine atom",23,0
"Q: What developmental stage do alligators lack that most other amphibians have?
A: larval stage",21,1
"Q: Most animals are in which clade?
A: bilateria",16,1
"Q: Parasitism, mutualism, and commensalism are instances of what type of interaction?
A: semantic",25,0
"Q: What kind of behavior occurs only after experience or practice?
A: memory",18,0
"Q: Organisms that depend on other organisms for food play what role in the food chain?
A: consumer",23,1
"Q: Radiation, chemicals, and infectious agents are types of what?
A: mutations",19,0
"Q: What is the term for the height of the wave?
A: magnitude",18,0
"Q: What is the minimum number of loops a circuit can have?
A: 1",20,1
"Q: Stomata are special pores that allow gasses to enter and exit what?
A: the skin",23,0
"Q: What do light emitters do to what you see?
A: divide frequencies",19,0
"Q: How many weeks are in the life cycle of ladybugs
A: two to four",20,0
"Q: Once classified as plants, fungi have chitin rather than cellulose in what cell structures?
A: platelets",24,0
"Q: What do you call the formation of a water vapor pocket?
A: cavitation",19,1
"Q: The addition of starting materials and the removal of end products prevent metabolism from reaching what state?
A: constant",25,0
"Q: What is it called when breaks in bone occur that is usually caused by excessive stress on the bone?
A: fragments",27,0
"Q: Ice caps are found only in greenland and which other place?
A: the tundra",21,0
"Q: A system of glands secretes what chemical messenger molecules into the blood?
A: metabolytes",23,0
"Q: What is regulated to ensure that the correct proteins are made?
A: acids expression",20,0
"Q: What trophic level are secondary consumers (which eat primary consumers) considered to be?
A: trophic level 5",26,0
"Q: What type of gas are stars made up of?
A: hydrogen",17,1
"Q: What does the stomach produce to help digest food?
A: hydrochloric acid",18,1
"Q: A disaccharide is a pair of monosaccharides. disaccharides are formed via dehydration synthesis, and the bond linking them is referred to as a glycosidic bond (glyco- = “sugar”). three disaccharides (shown in figure 2.19) are important to humans. these are sucrose, commonly referred to as table sugar; lactose, or milk sugar; and maltose, or this?
A: malt sugar",88,1
"Q: What do aquatic mollusk species use for respiration?
A: gills",17,1
"Q: Where does mechanical digestion begin?
A: intestines",13,0
"Q: What still causes fatal lung disease in nonsmokers?
A: nicotine",18,0
"Q: How does air always flow?
A: high to low",15,1
"Q: Has this ever happened to you? you walk across a carpet, reach out to touch a metal doorknob, and get an unpleasant electric shock? .the reason you get a shock is because of what?
A: sunlight charge",50,0
"Q: Metabolism is the sum of all catabolic and which other reactions in the body?
A: inbolic",24,0
"Q: Developing cars that run on hydrogen gas can help solve our dependence on what?
A: oxygen",22,0
"Q: Which part of the axon has a higher membrane potential?
A: muscular hillock",21,0
"Q: What is the main type of cell in the nervous system called?
A: sensory",20,0
"Q: What is the general name for a wave that travels along the surface of a medium?
A: surface wave",25,1
"Q: What can be calculated by solving the average speed formula?
A: accelaration",20,0
"Q: What is the energy of motion called?
A: inertia",15,0
"Q: The number of waves that pass a fixed point in a given amount of time is called what?
A: frequency of a wave",29,1
"Q: What term is defined as a way of writing very large or small numbers that uses exponents?
A: scientific notation",26,1
"Q: In the humid subtropical climate, summers are ____ but winters are very cold.
A: wet",22,1
"Q: What is a fluid-filled body cavity that is completely enclosed by mesoderm called?
A: coelom",25,1
"Q: For each initial glucose molecules, two pyruvate molecules will enter where?
A: the mitochondria",21,1
"Q: If no unbalanced force acts on an object the object remains at constant velocity or what?
A: rotating",24,0
"Q: While in the lungs, blood gives up carbon dioxide and picks up what element before returning to the heart?
A: nitrogen",28,0
"Q: Birds actually have two basic types of feathers: flight feathers and?
A: colorful plumes",21,0
"Q: Generators usually transform kinetic energy into what kind of energy?
A: subsequent energy",19,0
"Q: What types of glands do only female mammals have?
A: pituitary",17,0
"Q: Skeletal muscle tissue is arranged in bundles surrounded by this?
A: connective tissue",19,1
"Q: The human body has as many as two trillion lymphocytes, and lymphocytes make up about 25% of all of what?
A: leukocytes",33,1
"Q: What type of transport requires no energy and occurs when substances move from areas of higher to lower concentration?
A: passive transport",28,1
"Q: What is a mixture of metal with one or more other elements?
A: an alloy",21,1
"Q: What external feature in human beings is responsible for balance?
A: tails",18,0
"Q: What are the earliest and simplest vertebrates?
A: fish",15,1
"Q: Another name for table salt is?
A: sodium chloride",15,1
"Q: Fungi are no longer classified as what, possessing cell walls made of chitin rather than cellulose?
A: plants",26,1
"Q: What can ultimately result when species are introduced to a new place and prey on other species?
A: depletion",25,0
"Q: In preparation for phagocytosis, a portion of the inward-facing surface of the plasma membrane becomes coated with a protein called clathrin, which stabilizes this section of what?
A: particles",43,0
"Q: Because action potentials are so brief, a neuron can produce hundreds per what?
A: day",22,0
"Q: Terrestrial biomes are determined mainly by what?
A: climate",16,1
"Q: What part of the eye controls the size of the pupil?
A: iris",19,1
"Q: During the first several weeks of development, the cells of the endometrium nourish what?
A: egg",24,0
"Q: Name the closest living relatives of tetrapods?
A: lungfishes",17,1
"Q: The distance that light can travel in a year is known as what?
A: earth year",22,0
"Q: What bone cell is responsible for forming new bone and is found in the growing portions of bone, including the periosteum and endosteum?
A: osteoblast",38,1
"Q: What term is used describe energy released during an earthquake?
A: blast",18,0
"Q: Gated ion channels have a central role in what system's function?
A: nervous",22,1
"Q: What kind of solids have particles that are arranged in a regular repeating pattern?
A: carbon-based solids",25,0
"Q: What term is defined as the ability to locate objects in the dark by bouncing sound waves off them.
A: morphology",27,0
"Q: Active and passive forms of what enable the body to resist damage from pathogens?
A: potential",22,0
"Q: Which part of the brain regulates the rate of breathing?
A: brain stem",19,1
"Q: In which order does the reactivity of halogen group decline?
A: top to bottom",20,1
"Q: How many people die from air pollution each year?
A: 22 million",20,1
"Q: Our global ecological footprint depends on resource use per person and what population factor?
A: population fluctuation",23,0
"Q: The punnett square shows the possible what, and their most likely ratios?
A: genotypes",22,1
"Q: What does it mean to be a diploid organism?
A: organism has two copies of each gene",23,1
"Q: What travels at a rate of 300,000 kilometers per second, or nearly instantaneously?
A: light",29,1
"Q: What do you call the membrane-bounded droplets that have some properties of cells?
A: rods",23,0
"Q: What sort of gas is found in balloons and blimps, and is used to make them float in the sky?
A: oxygen",30,0
"Q: What substances, which serve as catalysts, are involved in most of the chemical reactions that take place in organisms?
A: enzymes",29,1
"Q: What is the pairing of an adult male to an adult female to produce young?
A: evolution",23,0
"Q: What type of cells make up tumors?
A: white blood cells",17,0
"Q: Chromosomal alterations are mutations that change what?
A: chromosome structure",17,1
"Q: Global warming will raise ocean levels due to melt water from glaciers and the greater volume of what?
A: greenhouse gases",27,0
"Q: What parts of the cell does cell differentiation involve changes in?
A: cystine and cell wall",23,0
"Q: What is the term for the average number of individuals in a population per unit of area or volume?
A: population diameter",28,0
"Q: What can happen spontaneously or as a result of mutagens in the environment?
A: lesions",22,0
"Q: Electrons in inner shells are called what?
A: core electrons",17,1
"Q: In the chest, what divides as it enters the lungs to form the right and left bronchi?
A: Aorta",28,0
"Q: A mineral’s crystal shape is determined by the way what objects are arranged?
A: atoms",23,1
"Q: When animals use incubation, how do they generally give birth to their young?
A: copying",22,0
"Q: What is the process in which the genetic code in mrna is read to make a protein called?
A: translation",27,1
"Q: The core of a nuclear reactor generates a large amount of what type of energy from the decay of fission products, even when the power-producing fission chain reaction is turned off?
A: thermal",42,1
"Q: Not all cells of a leaf carry out photosynthesis. cells within the middle layer of a leaf have chloroplasts, which contain the photosynthetic what?
A: pipes",35,0
"Q: What type of movements are produced when the angle between the bones of a joint changes?
A: microscopic",24,0
"Q: Batteries produce voltage through what type of reaction?
A: chemical",16,1
"Q: Because atoms have equal numbers of positive protons and negative electrons, what kind of electric charge do they possess?
A: neutral",28,1
"Q: The production of multiple copies of a single gene is called?
A: gene cloning",20,1
"Q: Because alkali metals are so reactive, they are found in nature only in ________ with other elements?
A: isolation",26,0
"Q: What is the term for a technique used to separate out homogeneous mixtures in which one or more solids are dissolved in a liquid?
A: evaporation",32,1
"Q: Reducing the production of what gas, or removing it from the air, are practices that could reduce global warming?
A: helium",29,0
"Q: Alveolar ducts and broncioles are developing parts of what organ system?
A: nervous",22,0
"Q: At high pressures, how are the molecules of a gas crowded?
A: few together",21,0
"Q: Co 2 , h 2 o, methane, o 3 , nitrous oxides (no and no 2 ), and chlorofluorocarbons (cfcs) are known as what type of gases?
A: chemical gases",49,0
"Q: Why do butterfly fish have fake eyespots?
A: aerodynamic purposes",17,0
"Q: Because heterotrophs cannot make their own food, what are they called?
A: consumers",22,1
"Q: What is the general name for a wave that travels along the surface of a medium?
A: surface wave",25,1
"Q: Which country is formed by a hotspot along the mid-atlantic ridge?
A: finland",21,0
"Q: Food chains carry energy from what group to what group?
A: producers to consumers",20,1
"Q: What is one of the most common biochemical compounds on earth and is found in all plants?
A: carbon dioxide",26,0
"Q: What tube carries urine out of the body?
A: urethra",16,1
"Q: What is a wall of rocks or concrete called?
A: groin",17,1
"Q: Which theory states that all organisms are composed of one or more cells, the cell is the basic unit of life, and new cells arise from existing cells?
A: theory of evolution",40,0
"Q: What are typically named for their major physical or climatic factors in addition to their predominant vegetation?
A: terrestrial biomes",27,1
"Q: What is the exchange of gases between the body and outside air?
A: respiration",20,1
"Q: Nonvascular plants lack  vascular tissue and what?
A: cytoplasm",17,0
"Q: What is the transfer of thermal energy between particles of matter that are touching called?
A: conduction",23,1
"Q: What organ is made up of over one million nephrons that dot the renal cortex?
A: kidney",24,1
"Q: The point in front of a mirror where the reflected rays intersect is known as what?
A: focal point",25,1
"Q: Obligate anaerobes live and grow in the absence of what?
A: molecular oxygen",22,1
"Q: What are the only organisms that can perform photosynthesis?
A: sponges",17,0
"Q: What are steroid hormones made of?
A: water",14,0
"Q: What is the first stage of cellular respiration?
A: gluconeogenesis",18,0
"Q: What do you call materials that have high resistance to electric current?
A: electric insulators",21,1
"Q: What type of compound contains atoms of two or more different elements in its ring structure?
A: aldehyde",24,0
"Q: Fungus-like protists are what kind of feeders?
A: absorptive",21,1
"Q: Where do stratus clouds occur in the troposphere?
A: mid to high region",21,0
"Q: What organs need constant pressure to filter the blood?
A: lungs",17,0
"Q: What common code do all known living organisms use?
A: genetic",17,1
"Q: What is the name for the term that describes deep ocean water rising the surface?
A: percolating",24,0
"Q: What liquid is referred to as the ""universal solvent""?
A: bromine",18,0
"Q: Fission is a type of radioactivity in which large nuclei spontaneously break apart into what?
A: smaller nuclei",25,1
"Q: What are the taste receptors found as tiny bumps on the tongue called?
A: taste buds",22,1
"Q: Nutrients from food are absorbed by the blood for transport around the body as part of what system?
A: digestive",26,1
"Q: Extrusive igneous rocks are also called what?
A: metamorphic",16,0
"Q: Rising air currents carry water vapor into what?
A: stratosphere",17,0
"Q: What is a force that opposes motion between any surfaces that are touching?
A: friction",21,1
"Q: What keeps the earth orbiting the sun?
A: gravity",15,1
"Q: What is a carbon-based compound that is found in living things called?
A: biochemical compound",23,1
"Q: What device changes kinetic energy to electrical energy through electromagnetic induction?
A: due generator",20,0
"Q: What gases move in and out of blood during gas exchange?
A: oxygen, carbon monoxide",22,0
"Q: Veins are blood vessels that carry blood toward what?
A: heart",18,1
"Q: What type of pressure may build up inside the cell when water moves into a cell by osmosis?
A: pleasurable pressure",27,0
"Q: Where part of the atmosphere is the uppermost mantle?
A: lithosphere",18,1
"Q: The rate of a reaction can be expressed either in terms of the decrease in the amount of what or the increase in the amount of a product per unit time?
A: plasma",39,0
"Q: What do waves deposit in relatively quiet areas along a shore?
A: sand",19,1
"Q: Single-celled eukaryotes that share some traits with animals are also called?
A: prokaryotes",23,0
"Q: How many electrons does lithium have?
A: three",14,1
"Q: How many valence electrons does helium have?
A: Five",15,0
"Q: What are bones made up of?
A: tissues",14,1
"Q: What type of flexion is the bending of the neck or body toward the right or left side?
A: lateral",26,1
"Q: What will you see if you look at a star through a prism?
A: spectrum",21,1
"Q: What is light with wavelengths shorter than visible light called?
A: ultraviolet light",19,1
"Q: Which antibacterial protein is found in tears and saliva?
A: human lysozyme",20,1
"Q: Brown algae are important commodities for what?
A: reptiles",15,0
"Q: The anodes in each cell of a rechargeable battery are plates or grids of lead containing spongy lead metal, while the cathodes are similar grids containing powdered what?
A: carbon dioxide",41,0
"Q: What do plants respond to in their environment?
A: changes in sunlight or water",20,1
"Q: What simple machine works with a wheel and axle in a wheelbarrow?
A: pulley",21,0
"Q: Cyanobacteria are bluish green in color because they contain what?
A: chlorophyll",19,1
"Q: What forms the pathway of water and nutrients from roots to leaves and flower?
A: the stem",23,1
"Q: What is the most common fossil fuel?
A: diesel oil",16,0
"Q: When an acid and base solutions react, they produce water and a neutral ionic compound known as what?
A: sand",27,0
"Q: What is a type of plant tissue consisting of undifferentiated cells that can continue to divide and differentiate?
A: meristem",28,1
"Q: Like the mitochondria, chloroplasts have their own dna and ribosomes, but chloroplasts have an entirely different function. chloroplasts are plant cell organelles that carry out what?
A: photosynthesis",41,1
"Q: What devices convert mechanical energy to electric energy?
A: kinetic generators",17,0
"Q: What term is used to describe a chemical released by an animal that affects the behavior or physiology of animals of the same species?
A: enzyme",32,0
"Q: The entropy is decreasing because a gas is becoming a what?
A: liquid",19,1
"Q: What is the biogeochemical cycle that recycles water called?
A: water theory",21,0
"Q: What are bacteria that stain purple are called?
A: gram-positive bacteria",19,1
"Q: Who proposed that everything in the universe exerts a force of attraction on everything else?
A: bell",23,0
"Q: What type of animals are known for being playful and frisky?
A: cows",20,0
"Q: What are materials that have a low resistance to electrical current called?
A: electrons",20,0
"Q: Photosynthesis converts carbon dioxide and water into what?
A: insulin",17,0
"Q: Tissues are organized by what?
A: branches",13,0
"Q: What forms when atoms share or transfer valence electrons?
A: bonds",17,1
"Q: What makes viral stis more dangerous than other types?
A: they are more contagious",21,0
"Q: Different forms of the same element are called what?
A: subclasses",17,0
"Q: Why have rivers in arid regions been reduced to trickles?
A: global warming",20,0
"Q: What kind of reproduction results in offspring that are genetically unique?
A: budding",19,0
"Q: What type of air do plants take in and use?
A: oxygen",18,0
"Q: What is it called when a new species arises without geographic separation?
A: spontaneous evolution",21,0
"Q: The process in which materials move depending on their heat relative to nearby materials is known as what?
A: convection",26,1
"Q: The two general types of reproduction are sexual and what?
A: primitive",18,0
"Q: What is the name of the fungi that are ubiquitous in lakes and soil?
A: chytrids",24,1
"Q: Breasts are considered accessory organs of what body system?
A: female reproductive system",20,1
"Q: What type of galaxies have a rotating disk of stars and dust, a bulge in the middle, and several arms?
A: pinwheel galaxies",32,0
"Q: Fish and other aquatic organisms use gills to capture dissolved what?
A: food",19,0
"Q: Prions are slow-acting, virtually indestructible infectious proteins that cause diseases of what vital organ in mammals?
A: brain",28,1
"Q: Breaking of weak bonds, which tend to form between positive and negative charges, does not require much what?
A: energy",28,1
"Q: What are observable patterns of stars found in the night sky called?
A: deformations",20,0
"Q: Where on the earth's surface does the water cycle takes place?
A: on , below , and below",26,0
"Q: When electricity is passed through solid sodium it changes into what and gives off light?
A: plasma",23,0
"Q: What happens when development of nervous system is disturbed?
A: neurodevelopmental disorders",19,1
"Q: The oxidation of an alcohol can produce either an aldehyde or what?
A: enzyme",20,0
"Q: Larger animals expend more of what to achieve locomotion?
A: neurons",17,0
"Q: New seafloor forms when what object cools?
A: lava",16,1
"Q: Most tunicates live a sessile existence in shallow ocean waters and are suspension feeders. the primary foods of tunicates are plankton and this?
A: bacteria",34,0
"Q: Unlike archaea and eukaryotes, bacteria have a cell wall made of what?
A: peptidoglycan",26,1
"Q: What type of matter transmits light without scattering it?
A: opaque",17,0
"Q: The nitrogen cycle includes air, soil, and what?
A: water",18,0
"Q: Atoms of one element can be transformed into another through which process?
A: nuclear reactions",21,1
"Q: What term is used for any combination of two or more atoms?
A: element",20,0
"Q: ""direct"" and ""alternating"" are two kinds of what, which is associated with electricity?
A: current",27,1
"Q: What is the main component of phytoplankton?
A: algae",15,1
"Q: What is the branch of science that studies the physical world?
A: social science",20,0
"Q: What term means the force of attraction that holds together oppositely charged ions?
A: electron bond",23,0
"Q: Oversecretion of insulin can cause what?
A: hypoglycemia",16,1
"Q: A largemouth bass is an example of a cold-blooded animal that conforms to what aspect of the lake it inhabits?
A: temperature",32,1
"Q: What are joints in which the bones are connected by a band of connective tissue?
A: cartilaginous",24,0
"Q: What happens to a chain of amino acids after it reaches a stop codon?
A: released from the ribosome",26,1
"Q: Because it produces oxygen, what plant process was necessary for the evolution of animals?
A: germination",23,0
"Q: Scientists measure the gases that escape from a volcano to predict what?
A: eruptions",20,1
"Q: What structure supports the body, protects internal organs, produces blood cells, and maintains mineral homeostasis?
A: skeleton",26,1
"Q: Vaccinations are designed to boost immunity to a virus to prevent this?
A: mutation",21,0
"Q: What is magnetism produced by an electrical current?
A: strong magnetism",17,0
"Q: In order to create food, what do photosynthetic protists use?
A: thermal energy",21,0
"Q: Diamond is extremely hard because of the strong bonding between ______ in all directions?
A: carbon atoms",23,1
"Q: The major component of a solution is called what?
A: solvent",17,1
"Q: Free atoms are spherical in shape, so the relative sizes of the elements can be compared by looking at each atom's atomic what?
A: radius",34,1
"Q: The atomic number defines the identity of what?
A: element",16,1
"Q: What are the two types of fats?
A: saturated and unsaturated",17,1
"Q: In addition to a nucleus what do eukaryotic cells have?
A: nutrons",19,0
"Q: Do bacteria sexually reproduce?
A: sometimes",12,0
"Q: Similar to the coil on a stove, changes in what reflect an increase in the temperature of a star?
A: color",28,1
"Q: The volume of a regularly shaped solid can be calculated from its what?
A: layers",21,0
"Q: What is the science of classifying the many organisms on earth called?
A: taxonomy",20,1
"Q: What manages the material and energy resources of the cell?
A: cell wall",19,0
"Q: Evolution over a short period of time at the level of the population is called what?
A: grammaticalization",25,0
"Q: What is the measure of the amount of space occupied by an object?
A: volume",21,1
"Q: What type of reproduction usually occur during times of environmental stress?
A: internal reproduction",20,0
"Q: What is the theoretical event that began the universe often called?
A: Coreolis effect",21,0
"Q: Gravitropism ensures that roots grow into the soil and that shoots grow toward what?
A: the north pole",27,0
"Q: The sternum and 12 pairs of ribs with their costal cartilages make up what?
A: thoracic cage",27,1
"Q: Scientific notation expresses a number as a what, times a power of 10?
A: fraction",24,0
"Q: What area beneath the earth's surface do magma collects?
A: hot chambers",20,0
"Q: What theory explains most of the features of earth’s surface?
A: Big Bang theory",22,0
"Q: Tests for levels of what in blood allow a diabetic patient to regulate how much insulin to administer?
A: alcohol",26,0
"Q: What are used to lift large masses of magnetic materials such as scrap iron, rolls of steel, and auto parts?
A: Glue",30,0
"Q: What type of acid is often used as a preservative for acidic foods such as fruit juices?
A: hydrochloric acid",26,0
"Q: What helps to regulate consciousness, arousal, and sleep states?
A: thalamus",20,1
"Q: Nervous tissue consists of just two basic types of nerve cells: neurons and?
A: glial cells",24,1
"Q: What kind of energy comes from the position of a charged particle in an electric field?
A: solar energy",25,0
"Q: What are the earliest reptile genus named?
A: brachyophis",17,0
"Q: What is a device used to measure temperature changes during chemical processes called?
A: calorimeter",21,1
"Q: A trait controlled by a single gene that has two alleles is given what name, after the scientist who studied inheritance?
A: mendelian trait",33,1
"Q: Are the majority of archaea chemotrophs or photosynthetic?
A: photosynthetics",23,0
"Q: What is happening to the rate of the expansion of the universe?
A: it is increasing",22,1
"Q: Where are most plants firmly rooted?
A: soil",14,1
"Q: What is the first and longest phase of mitosis known as?
A: metaphase",20,0
"Q: What makes blue cheese blue?
A: fungus",13,1
"Q: Gravitropism ensures that roots grow into the soil and that shoots grow toward what?
A: the north pole",27,0
"Q: Cephalochordates have a notochord and nerve cord but not a?
A: digestive system",24,0
"Q: The appendicular skeleton is made up of all bones of the upper and lower what?
A: organs",24,0
"Q: What do you call sound that has a wave frequency higher than the human ear can detect?
A: dynamic sound",26,0
"Q: What do dendrites receive signals from?
A: hormones",15,0
"Q: All of the stages that a cell goes through make up what?
A: the cell cycle",22,1
"Q: Radiometric dating methods, such as carbon-14 dating depend on what type of decay?
A: microwave",26,0
"Q: What theory explains the physical behavior of gases?
A: thermodynamic theory of gases",19,0
"Q: In which kind of species do open circulatory systems serve additional functions?
A: some invertebrates",21,1
"Q: Most molecular compounds that have a mass similar to water are in what state of matter at room temperature?
A: gas",27,1
"Q: What organ system is comprised of your heart, blood, and blood vessels all working together?
A: thoraxic system",28,0
"Q: Emphysema is a chronic disease caused by the breakdown of the what tissue?
A: heart",22,0
"Q: What type of cells are often the product of normal cells that have lost the ability to regulate the cell cycle?
A: cancerous cells",30,1
"Q: Precipitation, evaporation, transpiration, and condensation are part of what cycle?
A: water cycle",22,1
"Q: What is it called when minerals replace the organic material to create fossils?
A: permineralization",23,1
"Q: The single circular dna chromosome of bacteria is not enclosed in what, but instead occupies a specific location called the nucleoid within the cell?
A: atom",34,0
"Q: Virtually all aquatic organisms depend directly or indirectly on what for food?
A: protists",21,1
"Q: Why is water important for the nervous system?
A: to prevent dehydration",18,1
"Q: What occurs when so much water enters a stream or river that it overflows its banks or when deep snow melts very quickly in spring?
A: drought",33,0
"Q: What are the only regions of space that electrons can occupy?
A: orbits",19,1
"Q: What type of organisms do not need blood?
A: single-celled",18,1
"Q: What do refrigerator magnets contain that make them stick to a refrigerator door?
A: iron",21,1
"Q: What is the process by which the substances you consume are taken up by the blood?
A: evaporation",24,0
"Q: Where does the stratosphere get most of its heat?
A: sun",18,1
"Q: In which specific organs are hormonal cells located?
A: mammary glands",17,0
"Q: Which type of tree loses its leaves each fall and remains leafless in the winter?
A: deciduous",24,1
"Q: In humans, the first sites used for energy storage are liver and what else?
A: lungs",23,0
"Q: While components of a mixture can be separated by physical means, the components of a pure substance can only be broken down through what means?
A: mechanical",34,0
"Q: What cycle is the second stage of cellular respiration?
A: krebs cycle",19,1
"Q: What process is the primary function of the branching internal tubules called protonephridia?
A: thermoregulation",27,0
"Q: Where do amphibians lay their eggs?
A: in caves",15,0
"Q: What kind of rays can travel thousands of meters through air and can penetrate and damage cells deep inside the body?
A: gamma rays",30,1
"Q: What property increases as an object's mass increases, making a full box harder to push than an empty one?
A: weight",30,0
"Q: What is a form of mechanical energy that starts with a vibration in matter?
A: solar energy",23,0
"Q: What is the innermost layer of the sun called?
A: the core",18,1
"Q: Which region of dna consists of one or more genes that encode the proteins needed for a specific function?
A: operon",28,1
"Q: What type of motor is used in most household devices with moving parts?
A: cooling motors",22,0
"Q: When waves of two different frequencies interfere, what phenomenon occurs?
A: making",19,0
"Q: What is your body made up of?
A: trillions of cells",19,1
"Q: What is a molecule with two fatty acids and a modified phosphate group attached to a glycerol backbone?
A: phospholipid",27,1
"Q: What members of an ecosystem food chain take in food by eating producers or other living things?
A: consumers",25,1
"Q: Polymers, ceramics, adhesives, coatings, and liquid crystals are examples of materials recently discovered or developed by what type of scientists?
A: chemists",32,1
"Q: Unlike free-living species of flatworms that are predators or scavengers, what forms feed from the tissues of their hosts?
A: parasitic",32,1
"Q: What is the latin name for mercury?
A: trichina",16,0
"Q: What kind of anatomical structure consists of several types of tissues that together carry out particular functions?
A: organ",25,1
"Q: What is the force that pulls downward on an object and is measured by weight?
A: gravity",23,1
"Q: What is made up of nerve cells that sense stimuli and transmit signals?
A: muscle tissues",22,0
"Q: Animals that have feeding patterns that are somewhere between that of herbivores and carnivores can be called what?
A: omnivores",29,1
"Q: Calvin cycle reactions can be organized into three basic stages: fixation, reduction, and this?
A: transformation",25,0
"Q: What is the si unit for pressure?
A: watt",15,0
"Q: What a mixture of nitric acid and hydrochloric acid?
A: crystal regia",18,0
"Q: When your body digests food, it breaks down the molecules of nutrients and releases what?
A: waste materials",26,0
"Q: What kind of organisms are prokaryotes?
A: single-celled",17,1
"Q: What is produced when a base is dissolved in water?
A: alkaline ions",19,0
"Q: The what is the number of wave cycles that pass a specified point in space in a specified amount of time?
A: vibrancy",30,0
"Q: What type of protein speeds up chemical reactions in cells?
A: enzyme",18,1
"Q: What type of energy can be used to change the position or shape of an object, thus giving it potential energy?
A: static energy",31,0
"Q: Einstein developed a theory about how electromagnetic radiation can behave as both a wave and what else?
A: energy",25,0
"Q: During birth, a baby passes from the uterus through what organ to leave the body?
A: Ovary",25,0
"Q: What kind of reaction adds water to an organic molecule and breaks the large molecule into smaller molecules?
A: hydration reaction",27,1
"Q: In what route do water and solutes move along the continuum of cytosol?
A: hydrophylic",25,0
"Q: Through what do plants move enormous amounts of water from the soil to the atmosphere?
A: perspiration",23,0
"Q: What tool is useful for studying the ocean floor because the environment is remote and underwater?
A: sonar",24,1
"Q: What organism is responsible for most decomposition in forest?
A: fungi",17,1
"Q: Most biochemical molecules are macromolecules, meaning that they are what?
A: very large",21,1
"Q: What is the name of the protective layer of gases that surrounds the earth and blocks harmful rays from the sun?
A: the atmosphere",30,1
"Q: He mass spectrometer measures the percent abundance of different what?
A: reactions",18,0
"Q: Satellite and schwann cells are the two types of what kind of cell found in the pns?
A: glial",28,1
"Q: When light passes from one medium to another, it changes what?
A: color",20,0
"Q: Metabolism is an emergent property of life that arises from orderly interactions between what?
A: tissues",22,0
"Q: Proto-oncogenes normally help regulate what?
A: cell transition",18,0
"Q: Parthenogenesis is the most common form of what in animals that at other times reproduce sexually?
A: sexual dimorphism",27,0
"Q: What is the type of cell division that produces gametes?
A: electrolysis",19,0
"Q: What process, which results because of great pressure at the center of a star, causes stars to shine?
A: gravitational pull",29,0
"Q: Ocean water has what property because water dissolves minerals out of rocks?
A: fizzy",21,0
"Q: Which feature in maps allows users to make corrections between magnetic north and true north?
A: double compass rose",25,1
"Q: What are two major categories of mutations?
A: germline and somatic",18,1
"Q: Most people can survive only a few days without what essential substance?
A: water",20,1
"Q: True animals are divided into those with radial versus bilateral styles of what?
A: symmetry",21,1
"Q: The geometry of the bf 3 molecule is called what?
A: trigonal planar",21,1
"Q: Mating with no strong pair-bonds is called?
A: mutual",18,0
"Q: What system makes sure leaked blood returns back to the bloodstream?
A: cerebral",19,0
"Q: A visual ""copy"" of an object that is formed by reflected or refracted light is called what?
A: image",28,1
"Q: What three things do animals require in order to survive?
A: air, water, food",22,1
"Q: Anaerobic prokaryotes can live without what compound in their environment (it's a compound that people do need to live)?
A: oxygen",32,1
"Q: The temperature at which all molecular motion has ceased is called what?
A: absolute zero",21,1
"Q: Any sound with a frequency above the highest audible frequency is defined as what, a phenomenon useful in medical diagnosis and therapy?
A: laser",31,0
"Q: What is an ionic compound that produces negative hydroxide ions when dissolved in water
A: catalyst",21,0
"Q: What do fission reactors use to slow down the neutrons?
A: inertia",18,0
"Q: What units are typically used to measure heats of reaction?
A: degrees Celsius",19,0
"Q: Scientists will often observe and then what the reason why a phenomenon occurred?
A: hypothesize",22,1
"Q: Arachidic, stearic, and palmitic fatty acids are examples of what type of fatty acid?
A: saturated",28,1
"Q: High explosives create shock waves that exceed the speed of sound, a phenomenon that goes by what term?
A: supersonic",27,1
"Q: Rising air currents carry water vapor into what?
A: stratosphere",17,0
"Q: What is another term for nearsightedness?
A: myopia",17,1
"Q: Providing evidence of their ancestry, some species of what legless animals retain vestigial pelvic and limb bones?
A: dolphins",28,0
"Q: Name a one-celled organism that  can be found on your skin, in the ground, or in all different types of water.
A: bacteria",34,1
"Q: Although it is not vital to humans, calcitonin is important for calcium homeostasis in adults of some species in what group characterized by backbones?
A: vertebrates",36,1
"Q: The afferent arterioles service about 1.3 million of what in each kidney?
A: dendrites",26,0
"Q: What is an ionic compound that produces negative hydroxide ions when dissolved in water
A: catalyst",21,0
"Q: Most people can survive only a few days without what essential substance?
A: water",20,1
"Q: Has this ever happened to you? you walk across a carpet, reach out to touch a metal doorknob, and get an unpleasant electric shock? .the reason you get a shock is because of what?
A: sunlight charge",50,0
"Q: What structure does methane have?
A: two dimensional oxyhedra",16,0
"Q: Most lipids in your diet should be what type, found mainly in plant sources and also in fish?
A: fat",27,0
"Q: What natural destructive element cuts away at rock forming river valleys?
A: sediment",19,0
"Q: The amniotic egg first evolved in what species?
A: reptiles",17,1
"Q: What are unsaturated hydrocarbons with at least one triple bond between carbon atoms?
A: amines",21,0
"Q: What type of weathering breaks rock into smaller pieces?
A: fluid weathering",18,0
"Q: Survivorship curves show the distribution of individuals in a population according to what metric?
A: age",24,1
"Q: The force that pulls objects toward the earth is what?
A: gravity",18,1
"Q: What muscle is imperative to breathing in helping the air move in and out of the lungs?
A: diaphragm",25,1
"Q: Unlike pure substances, mixtures have a what?
A: efficient composition",17,0
"Q: An unbalanced force on an object in motion causes what?
A: agitation",18,0
"Q: In classical physics, momentum is a simple product of mass and this?
A: acceleration",21,0
"Q: The decay rate is measured in a unit called the what?
A: half-life",21,1
"Q: Electromagnetic waves are generally caused by magnetic fields doing what (or moving in what way)?
A: vibrating",24,1
"Q: What cycle completes the breakdown of glucose begun in glycolysis?
A: krebs",20,1
"Q: In the humoral response, what protein substances help neutralize or eliminate toxins and pathogens in the blood and lymph?
A: platelets",29,0
"Q: The actinides are all what type of elements?
A: large",17,0
"Q: Coal, oil and natural gas are types of what formed from the remains of once living organisms?
A: fossil fuels",27,1
"Q: What does the urethra do?
A: carries urine and sperm out of the body",20,1
"Q: What process involves the flow of heat from warmer objects to cooler objects?
A: conduction",21,1
"Q: In the human body, what do you call the intersection where the paths for air and food cross.?
A: cloaca",28,0
"Q: What forces in liquids are strong enough to keep them from expanding significantly when heated?
A: intermolecular forces",25,1
"Q: What bodily system handles taking in oxygen, getting rid of carbon dioxide, aiding in speech production and sensing odors?
A: pulmonary system",30,0
"Q: What is the term that refers to stored chemical energy in organic matter or wastes?
A: biomass energy",24,1
"Q: What type of energy from a warm cola results in melting when it is transferred to the much colder ice?
A: thermal energy",29,1
"Q: What orifice in the body is particularly helpful in both digestion and respiration?
A: mouth",21,1
"Q: What part of a person with myopia is longer than normal?
A: eye",20,1
"Q: What radiation, generally produced by thermal motion and the vibration and rotation of atoms and molecules, literally means ""below red""?
A: microscopic",31,0
"Q: Sponges possess an internal skeleton called what?
A: hydrostatic skeleton",17,0
"Q: Because of the wave character of matter, the idea of well-defined orbits gives way to a model in which there is a cloud of what?
A: particles",36,0
"Q: What is the process by which plants make their own food?
A: glycolysis",20,0
"Q: Algae are similar to plants in that they both produce their food through what process?
A: photosynthesis",23,1
"Q: Where do amphibians lay their eggs?
A: in caves",15,0
"Q: What disease is given as an example of a sex-linked trait?
A: hemophilia",22,1
"Q: What is the terme for water vapor changing to liquid water?
A: condensation",19,1
"Q: When do weather balloons return to earth?
A: when it bursts",17,1
"Q: Halides of the transition metals become more covalent with increasing oxidation state and are more prone to what?
A: hydrolysis",27,1
"Q: Oxytocin, which stimulates the contractions of labor, is a type of what?
A: metabolite",23,0
"Q: The bones of the skull are connected by what type of joints?
A: semi-mobile",22,0
"Q: What organism constitutes frothy green ""pond scum""?
A: algae",17,1
"Q: How many chromosomes do bacterial dna have?
A: one rectangular chromosome",17,0
"Q: Controlling muscles and maintaining balance are just two of the roles of what system?
A: electrical system",23,0
"Q: Sublimation and deposition involve direct transitions between solid and gas without going through which state?
A: chemical",24,0
"Q: What is a winding ridge of sand deposited by a stream of meltwater called?
A: sand dune",24,0
"Q: What is the type of mining called when materials are removed along a strip?
A: surface mining",23,0
"Q: What are plants in the diploid generation called?
A: keratinocytes",17,0
"Q: The sites of protein synthesis are tiny structures called?
A: crystals",17,0
"Q: What two layers is the skin made of?
A: epidermis and dermis",19,1
"Q: In classical conditioning, a response called the conditioned response is associated with what?
A: unconditioned stimulus",24,0
"Q: The kayak’s motion in the water is an example of classical addition of what?
A: velocities",24,1
"Q: The marine west coast climate gets lots of rain because of what being nearby?
A: the mountains",23,0
"Q: What is the pressure of gas in a gas mixture termed?
A: partial pressure",20,1
"Q: The simplest system is that of contractile vacuoles present in what?
A: parasites",21,0
"Q: What part of the brain lies under the cerebrum and behind the brain stem?
A: spinal cord",24,0
"Q: What occurs when there are differences in fitness among a population?
A: natural selection",20,1
"Q: The chemistry of each element is determined by its number of what?
A: nuclei and neutrons",22,0
"Q: The majority of solids are what in nature?
A: crystalline",16,1
"Q: In winter, water does what, becoming solid and causing hoses to rupture and engine blocks to crack?
A: crystallizes",28,0
"Q: What is the amount of moisture in the atmosphere?
A: static",17,0
"Q: What term means the time in which half of the original number of radioactive nuclei in a sample decay?
A: reduced life",28,0
"Q: Defined as total distance traveled divided by elapsed speed, average speed is a scalar quantity that does not include what?
A: direction",29,1
"Q: What are the two major types of seed plants called?
A: perennials and annuals",22,0
"Q: In headwater streams, what plant process is mostly attributed to algae that are growing on rocks?
A: photosynthesis",26,1
"Q: How do basal mammals like monotreme reproduce?
A: cloning",16,0
"Q: Light can be used to eject what from a solid material?
A: electrons",19,1
"Q: What is the only class of animals that has hair?
A: mammals",18,1
"Q: What is the term for the force exerted by circulating blood on the walls of blood vessels?
A: blood pressure",26,1
"Q: Which metalloids are found in the nitrogen group?
A: arsenic and antimony",19,1
"Q: What is a circuit that consists of one loop called?
A: speaking circuit",19,0
"Q: Clams, oysters, scallops, and mussels are examples of what type of species?
A: mollusks",25,1
"Q: How many different main types of diabetes are there?
A: two",17,1
"Q: In what organ does pepsin help break down proteins?
A: stomach",18,1
"Q: The sympathetic division of the vertebrate autonomic nervous system has evolved the fight-or-flight response to counter stress-induced disruptions of this?
A: body temperature",35,0
"Q: Ticks spread bacteria that causes what condition?
A: lyme disease",18,1
"Q: Most tunicates live a sessile existence in shallow ocean waters and are suspension feeders. the primary foods of tunicates are plankton and this?
A: bacteria",34,0
"Q: What functions as a framework that reinforces the shape of the leaf?
A: the normal structure",22,0
"Q: How many chambers does the stomach of a crocodile have?
A: two",18,1
"Q: What kind of lines does a diffraction grating produce?
A: nearly spaced lines",19,0
"Q: By applying salt to an icy road, the melting point of the ice is what?
A: decreased",24,1
"Q: The magnet field of earth is called what?
A: atmosphere",16,0
"Q: What is the suns innermost layer called?
A: core",15,1
"Q: What is the term for the span in the life of an organism from one generation to the next?
A: time consumption",28,0
"Q: What force is responsible for erosion by flowing water and glaciers?
A: gravity",19,1
"Q: Where on earth do bacteria live?
A: all environments",15,1
"Q: How many bones does the  mammalian middle ear have?
A: two",19,0
"Q: Plastics are common examples of synthetic polymers of what abundant element?
A: carbon",19,1
"Q: What is the medical process of removing wastes and excess water from the blood by diffusion and ultrafiltration called?
A: tumors",28,0
"Q: All matter in the universe is composed of one or more unique pure substances called what?
A: atoms",24,0
"Q: What is a condition where plants are grown in mineral solutions without soil called?
A: hydroponics",23,1
"Q: What are the infoldings of the inner membrane called?
A: brickle",20,0
"Q: What always continues in a red supergiant?
A: heat",16,0
"Q: When do hammerhead sharks usually hunt?
A: summer",15,0
"Q: What is formed when an enzyme binds its substrate?
A: vessel - substrate complex",20,0
"Q: The chloroplasts contain a green pigment called what?
A: chloroplasm",19,0
"Q: When wood is burned what kind of energy allows the wood to burn?
A: chemical",21,1
"Q: How many types of antigens can an antibody match?
A: one",17,1
"Q: Unlike the biological species concept, the ecological species concept can accommodate asexual as well as ________ species.
A: homosexual",26,0
"Q: Which energy is momentarily stored in tendons after each leap provides a boost for the next leap?
A: kinetic",25,1
"Q: What is the muscular organ shaped like an upside-down pear that has a thick lining of tissues called the endometrium?
A: kidney",31,0
"Q: In prokaryotes, what is composed of a single, double-stranded dna molecule in the form of a loop or circle?
A: allele",32,0
"Q: The amniotes are distinguished from amphibians by the presence of a terrestrially adapted egg protected by what?
A: hard shell",29,0
"Q: What is the ratio of the uncertainty to the measured value, multiplied by one-hundred called?
A: variable uncertainty",27,0
"Q: Transgenic animals are animals that have incorporated a gene from another species into their what?
A: genome",24,1
"Q: What is the process in which a solid changes directly to a gas without going through the liquid state called?
A: vaporization",29,0
"Q: Which acids provide the molecular blueprints for all proteins produced in living systems?
A: nucleic acids",22,1
"Q: Within the microsporangium, the microspore mother cell divides by meiosis to give rise to four microspores, each of which will ultimately form this?
A: pollen grain",39,1
"Q: Who controls prey population?
A: predators",12,1
"Q: Nucleic acids are polymers made of monomers called what?
A: loops",17,0
"Q: The negatively charged electrons are attracted to the positively charged what?
A: axon",19,0
"Q: What type of reproduction involves combining genetic material from two parents to create distinct offspring?
A: sexual reproduction",24,1
"Q: What do scientists attach to aquatic animals to collect information?
A: ultraviolet tags",19,0
"Q: What is the process by which a liquid changes to a solid?
A: melting",20,0
"Q: Which phylum are all vertebrate organisms a member of?
A: phylum chordata",21,1
"Q: Called the powerhouses of the cell, what organelles are the site of cellular energy production?
A: nucleus",25,0
"Q: Intestinal cells combine with proteins to create what?
A: chylomicrons",19,1
"Q: Where do most biochemical reactions take place?
A: stomach",15,0
"Q: Sounds or pictures can be encoded in pulses of what, which are then sent through an optical fiber?
A: kinetic energy",28,0
"Q: Fish and other aquatic organisms use gills to capture dissolved what?
A: food",19,0
"Q: What is the term for the quantity of heat required to raise the temperature of 1 gram of a substance by 1 degree celsius?
A: thermal heat capacity",36,0
"Q: What do scientists believe are the oldest eukaryotes?
A: protists",18,1
"Q: What occurs when a substance reacts quickly with oxygen?
A: combustion reaction",18,1
"Q: What is the most common type of joint in the human body?
A: movable joints",21,1
"Q: Adult tunicates also develop a sac, called a what?
A: tunic",19,1
"Q: Greater reflection off what atmospheric layer allows am radio waves to travel even farther at night than they can during the day?
A: stratosphere",31,0
"Q: Each microspore develops into a pollen grain containing a male what?
A: progesterone",20,0
"Q: What category of joints is immovable?
A: synarthrosis",16,1
"Q: What is the physical environment in which a species lives and to which it has adapted?
A: habitat",24,1
"Q: What happens during the process of digestion?
A: excretion of food",17,0
"Q: What term describes waves that travel through matter?
A: mechanical waves",17,1
"Q: What is the most useful quantity for counting particles?
A: the mole",18,1
"Q: An electron is accelerated from rest through a potential difference of what?
A: joules",21,0
"Q: The addition of starting materials and the removal of end products prevent metabolism from reaching what state?
A: constant",25,0
"Q: An element that is generally a poor conductor of heat and electricity is known as a ______
A: magnet",24,0
"Q: What do most organisms eat in the profundal zone of a lake?
A: dead organisms",22,1
"Q: What is the middle layer that hair pass through before exiting at the surface of the skin?
A: epidermis",25,1
"Q: Defined as a difference in electric potential energy, a source of what is required in order to produce an electrical current?
A: voltage",30,1
"Q: The small, egg-shaped organs that lie on either side of the uterus are called?
A: ovaries",25,1
"Q: The pull of the moon’s gravity on earth is the main cause of what water phenomenon?
A: storms",26,0
"Q: In heart muscle, what released by neurons activates a signal transduction pathway?
A: dopamine",21,0
"Q: The mechanical advantage of a machine is related to how it changes what?
A: pressure",21,0
"Q: Diagnosing and treating cancer is a beneficial use of what potentially dangerous energy?
A: thermal",22,0
"Q: The sites of protein synthesis are tiny structures called?
A: crystals",17,0
"Q: What kind of fertilization do birds have?
A: deep fertilization",16,0
"Q: What's the term for an allele that's always expressed over another?
A: prevalent",23,0
"Q: A recent deadly explosion in the gulf of mexico exemplified what source of ocean pollution?
A: oil spill",24,1
"Q: Are birds and mammals mainly exothermic or endothermic?
A: endothermic",19,1
"Q: What is the measure for how fast or slow something moves?
A: speed",19,1
"Q: What type of diagnosis happens before a baby is born?
A: prenatal",18,1
"Q: A few earthquakes take place away from plate boundaries, these are called what?
A: outer earthquakes",23,0
"Q: When fuel is burned most of the energy is released as what?
A: heat",20,1
"Q: The reaction of calcium oxide with carbon dioxide forms what?
A: calcium carbonate",19,1
"Q: What important function do bees perform on garden plants and many commercial fruit trees?
A: hibernation",22,0
"Q: On the ventral side of the embryonic disc, opposite the amnion, cells in the lower layer of the embryonic disk (the hypoblast) extend into the blastocyst cavity and form this?
A: yolk sac",47,1
"Q: What is required for both the synthesis and breakdown of molecules?
A: energy",19,1
"Q: What has a pseudocoelom and hydrostatic skeleton?
A: roundworms",19,1
"Q: How many watts equals a horse power?
A: 695",18,0
"Q: The hamstrings flex the leg, whereas the quadriceps femoris have what effect?
A: contract",24,0
"Q: Because it damages hair cells, what is the most cause of hearing loss in adults?
A: exposure to noise",26,1
"Q: Medical problems associated with the body responding poorly to insulin are commonly associated with what disease?
A: diabetes",24,1
"Q: Other than nitrogen, which nutrient most often limits marine production?
A: potassium",19,0
"Q: An amide bond joining two amino acid units is called a what?
A: carboxyl bond",22,0
"Q: What happens to an animal's telomeres as it ages?
A: divide",21,0
"Q: The temperature dependence of solubility can be exploited to prepare what solutions of certain compounds?
A: supersaturated",24,1
"Q: How can natural resources be classified from a human point of view?
A: renewable or reversible",22,0
"Q: The intentional release or spread of agents of disease is known as what?
A: bioterrorism",22,1
"Q: What are scientists able to determine about stars using emission and absorption spectra?
A: shape",21,0
"Q: What is each half of the cerebrum called?
A: demisphere",19,0
"Q: A statement is considered what if it is open to being falsified?
A: hypothesis",21,1
"Q: The lifecycle of an ascomycete is characterized by the production of what during the sexual phase?
A: asci",26,1
"Q: When orders are sent from your brain to your legs, these signals pass through what type of cells?
A: mobility cells",28,0
"Q: The energy for an ecosystem can come from sunlight or _________?
A: chemical compounds",20,1
"Q: What model describes the structure of the plasma membrane as a mosaic of components?
A: fluid mosaic model",24,1
"Q: What is the group of single-celled organisms lacking a nucleus that have a single piece of circular dna in the nucleoid area of the cell?
A: chromosomes",36,0
"Q: Reflected in their relatively high level of intelligence and their ability to learn new behaviors, what organs tend to be relatively large in primates?
A: lungs",34,0
"Q: What kingdom of organisms constitutes up to 20 percent of all living things on earth in mass?
A: archaeans",28,1
"Q: When conditions deteriorate, hydras can reproduce sexually, forming resistant zygotes that remain dormant until when?
A: Hydras choose",30,0
"Q: What forms when a glacier scrapes a large hole in the ground?
A: glacial lake",22,1
"Q: The oceans affect earth’s atmosphere and influence its what?
A: earthquakes",19,0
"Q: Diagnosing and treating cancer is a beneficial use of what potentially dangerous energy?
A: thermal",22,0
"Q: What has increased in the atmosphere throughout the history of the earth?
A: oxygen",20,1
"Q: Which type of lava lavas are less viscous and erupt effusively?
A: mafic",24,1
"Q: What process refers to the conversion of atmospheric nitrogen to ammonia?
A: biological nitrogen fixation",21,1
"Q: What type of climates are found around the equator?
A: tropical",17,1
"Q: What is produced when sulfur and oxygen combine?
A: Acidic oxides",18,0
"Q: What type of cell has a singular chromosome, no nucleus, and few other organelles?
A: prokaryotic",25,1
"Q: Helicopter pilots can recover from piloting errors by decreasing altitude, turning some of their potential energy into what kind of energy?
A: electrical",31,0
"Q: When atomic orbitals hybridize, the valence electrons occupy these?
A: newly created orbitals",21,1
"Q: A highway that switches back and forth as it climbs up a steep hillside, yeilding a much gentler slope, is an example of what simple machine?
A: inclined plane",38,1
"Q: What secures teeth in the mouth?
A: socket",14,1
"Q: What type of animal that eats only or mainly insects?
A: heterotrophic",19,1
"Q: How long does it take for earth to rotate on it's axis one time?
A: 24 hours",27,1
"Q: The major entrance and exit for the respiratory system is which facial orifice?
A: pore",21,0
"Q: What is crucial for the fermentation progress in making bread?
A: larvae",18,0
"Q: Plants need sunlight for what process?
A: metamorphosis",14,0
"Q: A substance too big to be pumped across the cell membrane may enter or leave the cell by what method?
A: vesicle transport",29,1
"Q: What is it called when an egg develops into an individual without being fertilized?
A: symbiosis",23,0
"Q: What is the most effective color in interrupting the nighttime portion of the photoperiod?
A: yellow",23,0
"Q: Anosmia, the loss of what sense, is often the result of the olfactory nerve being severed?
A: general sensitivity",29,0
"Q: Interactions between plants and other organisms result in cycling of chemical nutrients within what?
A: ecosystem",22,1
"Q: What type of energy from a warm cola results in melting when it is transferred to the much colder ice?
A: thermal energy",29,1
"Q: Almost all energy at earth's surface comes from where?
A: the sun",20,1
"Q: Both flukes and tapeworms are parasites with what kind of host?
A: insect",21,0
"Q: Gymnosperms have evolved to include what?
A: stems",16,0
"Q: What natural process is associated with the death of cells?
A: aging",18,1
"Q: What are the two most common causes of diseases?
A: bacteria and protazoa",21,0
"Q: Continually increasing the pressure on the liquid will eventually cause the substance to do what?
A: solidify",24,1
"Q: What is a carbon-based compound that is found in living things called?
A: biochemical compound",23,1
"Q: More than half the compounds produced by the chemical industry are what?
A: replacement polymers",21,0
"Q: Why do crystals have relatively sharp and well-defined melting points?
A: particular intermolecular forces",23,0
"Q: When a balloon is rubbed against hair, they attract each other because of a difference in what?
A: Force",26,0
"Q: What type of organism has spores that are spread by water and wind?
A: fungi",21,1
"Q: By applying salt to an icy road, the melting point of the ice is what?
A: decreased",24,1
"Q: What type of transport requires no energy and occurs when substances move from areas of higher to lower concentration?
A: passive transport",28,1
"Q: What forms when the spores from two parents fuse during sexual reproduction?
A: xerophyte",21,0
"Q: Living things evolve what characteristics that make them better suited for their environment?
A: mutations",21,0
"Q: Fractures and faults are terms you hear when talking about?
A: volcanoes",19,0
"Q: What is a purification process where the components of a liquid mixture are vaporized and then condensed and isolated?
A: conduction",28,0
"Q: Alkanes are nonpolar and therefore do not attract what?
A: ions",20,1
"Q: How long does membrane depoloriazation typically last for?
A: one minute",20,1
"Q: Lava flows from a volcano and hardens into what?
A: life",18,0
"Q: What is the name of plant-like protists?
A: sponge",18,0
"Q: What type of current do generators in cars use?
A: alternating current",18,1
"Q: Somatosensation refers to what of the five senses?
A: balance",18,0
"Q: Which human body system controls the amount of water in the body and removes wastes?
A: urinary system",24,1
"Q: The boiling points of liquid also correlate to the strength of which forces?
A: centrifugal",21,0
"Q: What type of pressure may build up inside the cell when water moves into a cell by osmosis?
A: pleasurable pressure",27,0
"Q: What are small gnawing mammals such as rats and mice called?
A: miniatures",20,0
"Q: Modern plants reflect what kind of changes that have occurred over many, many years?
A: unknown changes",24,0
"Q: When the number of active receptors falls below that threshold, what happens to the cellular response?
A: it ceases",26,1
"Q: What are the three classifications of elements?
A: metals, non-metals and metaloids",22,1
"Q: What is the term for animal-like protists that are usually single-celled?
A: eukaryotes",25,0
"Q: The number of valence electrons determines variation of what property in nonmetals?
A: permeability",21,0
"Q: What is the term for the affected factor in an experiment?
A: multiple variable",20,0
"Q: A lipid is one of a highly diverse group of compounds made up mostly of what?
A: nucleic acid",25,0
"Q: During the early paleozoic, the amount of carbon dioxide in the atmosphere compared to today was?
A: much greater",27,1
"Q: Genetic diversity in a population comes from two main sources - sexual reproduction and what else?
A: mutation",24,1
"Q: Why are goose feathers preferred for stuffing by manufacturers?
A: multi layers build up",20,0
"Q: The denser regions of the electron cloud are called what?
A: orbitals",18,1
"Q: The nervous system is made up of these?
A: neurons",16,1
"Q: What is the termination of a pregnancy in progress called?
A: contraception",18,0
"Q: Quarks in the middle energy family are found in cosmic rays and are produced in what?
A: particle accelerators",26,1
"Q: What do fungi produce to digest nutrients?
A: pores",15,0
"Q: What are the main organs for breathing in a mammal?
A: gills",18,0
"Q: During the condensation reaction of sugars what is removed, linking the two sugars?
A: water",22,1
"Q: What type of disease is caused by pathogens?
A: viral diseases",17,0
"Q: What is the option to remove kidney stones other than surgery?
A: ultrasound treatments",20,1
"Q: Gymnosperms and angiosperms are types of _________ seed plants.
A: modern",21,1
"Q: What three characteristics do waves have?
A: reflection, refraction and deflection",18,1
"Q: Friction causes the molecules on rubbing surfaces to move faster, which produces what?
A: heat",22,1
"Q: What is a waste product from fossil fuel burning?
A: co2 emissions",19,1
"Q: What are the light wavelengths that the human eye can detect called?
A: ultraviolet light",21,0
"Q: Where are feces formed?
A: duodenum",13,0
"Q: In terms of scientific investigation, things you notice about an environment using your five senses are called what?
A: observations",27,1
"Q: What simple machine consists of a bar that rotates around a fixed point called the fulcrum?
A: battering ram",27,0
"Q: Major exchange pools of carbon include organisms and what else?
A: location",18,0
"Q: Unlike energy, what doesn’t need to be constantly added to ecosystems because it is recycled through ecosystems?
A: water",28,0
"Q: Evolution over a short period of time at the level of the population is called what?
A: grammaticalization",25,0
"Q: What type of flexion is the bending of the neck or body toward the right or left side?
A: lateral",26,1
"Q: What long molecules are composed of chains of units called monomers?
A: complexes",19,0
"Q: At the anode, liquid chloride ions are oxidized to what?
A: chlorine gas",20,1
"Q: Opportunistic diseases are usually the direct cause of death of people with what disease?
A: heart",23,0
"Q: What is the first phase of mitosis?
A: prophase",16,1
"Q: What do hydrophilic substances have an affinity for?
A: water",16,1
"Q: What do cells of dermal tissue secrete?
A: moisture",15,0
"Q: What is the only way of transferring energy that doesn't require matter?
A: mutation",22,0
"Q: Prokaryotic organisms, like bacteria, reproduce through what process, where they grow and divide in half?
A: binary fission",29,1
"Q: Phosphate groups are found within phospholipids and what else?
A: nucleotides",18,1
"Q: Independent assortment occurs when what go to opposite poles of the cell in anaphase i?
A: chromosomes",24,1
"Q: What is a popular treatment for kidney failure?
A: psychotherapy",16,0
"Q: What force is perpendicular to velocity and causes uniform circular motion?
A: centripetal force",22,1
"Q: What kind of system do echinoderms possess?
A: primitive respiratory",19,0
"Q: Urea, ammonia and uric acid are types of what waste, excreted in different forms by different species?
A: fecal waste",28,0
"Q: What property of carbon and other elements can be used to date fossils and rocks, among other things?
A: mass",27,0
"Q: Are birds and mammals mainly exothermic or endothermic?
A: endothermic",19,1
"Q: What happens when water is removed from the endospore?
A: reversal",18,0
"Q: After the egg is fertilized the mrna is translated into what?
A: factor",20,0
"Q: Name the two types of nucleic acids.
A: dna (deoxyribonucleic acid) and rna (ribonucleic acid)",29,1
"Q: What happens if a molecule forms strong bonds to the catalyst?
A: molecules gets poisoned",21,0
"Q: What do male cones in seed plants contain?
A: nutrients",16,0
"Q: What type of mammals are humans?
A: somatic mammals",15,0
"Q: The root system is usually anchored by one main root developed from what?
A: embryonic radicle",23,1
"Q: What is the name of the type of plant tissue consisting of undifferentiated cells that can continue to divide and differentiate?
A: cuticle",30,0
"Q: Because plants lack what kind of system, their first line of defense is usually the death of cells surrounding infected tissue to prevent spread of infection?
A: immune system",36,1
"Q: What is one function of the nervous system in humans?
A: controlling emotion",19,0
"Q: What is the name of the tube that joins the mouth to the digestive and respiratory tracts?
A: larynx",25,0
"Q: What is friction that acts on objects that are moving through a fluid?
A: fluid catalyst",22,0
"Q: Daughter cells divide by what?
A: electrolysis",13,0
"Q: Transporting blood is the main job of the heart and what?
A: bones",20,0
"Q: What type of hydrocarbon is coal?
A: mineral",14,0
"Q: What organ is made up of over one million nephrons that dot the renal cortex?
A: kidney",24,1
"Q: Approximately how many galaxies are there in the universe?
A: an infinite number",19,0
"Q: Scientists will often observe and then what the reason why a phenomenon occurred?
A: hypothesize",22,1
"Q: Cancer cells take up glucose for what reason?
A: energy",16,1
"Q: What noble gas follows hydrogen on the periodic table?
A: nitrogen",17,0
"Q: What is the term for the amount of internal energy that the substance can store?
A: heat capacity",24,1
"Q: What do skeletal muscles enable the body to do?
A: move",17,1
"Q: What do we call the lowest layer of the atmosphere?
A: troposphere",19,1
"Q: Polarization occurs between a charged and what other object?
A: molecular",17,0
"Q: Refracting and reflecting telescopes are optical telescopes that use lenses to gather what?
A: light",23,1
"Q: The vertebrate endoskeleton includes a vertebral column, cranium, limbs, and what else?
A: limb girdles",27,1
"Q: What broad group of living things serves as the major producers in terrestrial biomes?
A: vases",23,0
"Q: When do the eggs in a female's ovaries start to mature?
A: puberty",21,1
"Q: What characteristic of particles determines how they are carried by flowing water?
A: density",20,0
"Q: The thick skin, found only on the palms of the hands and the soles of the feet, has an extra what?
A: layer",31,1
"Q: Scientists can use what tool to determine an earthquake's strength?
A: geiger counter",22,0
"Q: Living species of chordates are classified into three major subphyla: vertebrata, urochordata, and what?
A: spirogyra",32,0
"Q: Different forms of the same element are called what?
A: subclasses",17,0
"Q: Graphite is a form of elemental carbon what is another form?
A: diamond",19,1
"Q: What is the largest level of organization?
A: organelle",16,0
"Q: What is in the inside of your mouth and nose instead of skin?
A: scales",21,0
"Q: Hazardous waste is material that is toxic, chemically active, corrosive, or what?
A: inactive",23,0
"Q: Unlike liver bile, 'juice' produced by what organ is clear and composed mostly of water along with some salts, sodium bicarbonate, and digestive enzymes?
A: spleen",37,0
"Q: What separates and strongly unites bodies of adjacent vertebrae?
A: synovial fluid",19,0
"Q: What is another word for brooding-  keeping eggs warm while the embryos develop?
A: spawning",23,0
"Q: Binding of acetylcholine to receptors on the muscle fiber leads to a?
A: repolarization",22,0
"Q: What are broken down during digestion to provide the amino acids needed for protein synthesis?
A: dietary proteins",24,1
"Q: If a gyroscope is not spinning, it acquires angular momentum in the direction of what?
A: torque",25,1
"Q: What begins when a neuron receives a chemical stimulus?
A: a nerve impulse",19,1
"Q: What type of air may get stuck on the windward side of a mountain range?
A: brisk air",25,0
"Q: Photoautotrophs and chemoautotrophs are two basic types of what?
A: autotrophs",25,1
"Q: Genetic disorders are diseases caused by what?
A: lesions",15,0
"Q: The electric and magnetic fields are closely related and propagate as what?
A: electromagnetic wave",21,1
"Q: What kind of messages do neurons send?
A: minor messages",16,0
"Q: What kind of reaction is needed to prepare amides?
A: carboxylic acid reaction",20,1
"Q: What do most ecosystems get energy from?
A: sunlight",15,1
"Q: After infecting a host, what inactive state do some viruses enter?
A: hibernation",20,0
"Q: Water is a polar compound, so its molecules are attracted to each other and form what kind of bonds?
A: hydrogen",28,1
"Q: What is the movement of animals from one place to another called?
A: evacuation",20,0
"Q: All waves are the way energy travels through what?
A: matter",17,1
"Q: What are the cells that break down inorganic molecules to supply energy for the cell, and use carbon dioxide as a carbon source?
A: chemoautotrophs",35,1
"Q: What type of analysis is performed to study gene expression patterns in cells?
A: rna analysis",23,1
"Q: What is another name for mother of pearl?
A: pigment",16,0
"Q: What organ contributes about 60% of the volume of semen ?
A: complete vesicles",22,0
"Q: An electrical motor changes electrical energy into what?
A: chemical energy",17,0
"Q: What is a mixture of eroded rock, minerals, partly decomposed organic matter, and other materials called?
A: soil",27,1
"Q: What is the science of how traits are passed from parents to offspring?
A: heredity",21,1
"Q: Which law states that a pair of alleles is separated, or segregated, during the formation of gametes?
A: law of segregation",30,1
"Q: Sandblasting a surface exemplifies what form of erosion?
A: abrasion",18,1
"Q: As with other organic compounds that form hydrogen bonds, water solubility of amines is reflected in the length of what?
A: hydrocarbon bonds",30,0
"Q: Sunlight contains many different wavelengths, which you see when they separate into what?
A: shadows",22,0
"Q: What is the movement of fluid out of the capillaries called?
A: diffusion",19,0
"Q: How much electricity is generated by an average car battery?
A: ten volts",19,0
"Q: Excretion is the process of removing excess water and wastes from the body. what are the main organs of excretion?
A: kidneys",30,1
"Q: If the experimental value is less than the accepted value, the error is what?
A: negative",23,1
"Q: What do you call trees that lose their leaves in the fall and grow new ones in the spring?
A: perennial",27,0
"Q: What type of plant keeps it green leaves year-round?
A: evergreen plant",20,1
"Q: What is the name of the muscle that contracts to cause the joint to straighten?
A: extensor",24,1
"Q: What part of the kangaroo helps it balance when it leaps as well as when it sits?
A: the tail",26,1
"Q: The site of some nutrient absorption, the ileum is the third part of what digestive organ?
A: stomach",26,0
"Q: What is the name of the blood protein that carries oxygen from the lungs to the body's assorted tissues?
A: insulin",29,0
"Q: Radiocarbon is useful for dating relatively young materials with what element as their base?
A: hydrogen",23,0
"Q: Acids turn blue litmus paper which color?
A: grey",16,0
"Q: Hydrophobic interactions arise because water molecules engage in what type of bonding with other water molecules?
A: aquatic bonding",26,0
"Q: The spectrum is made up of discrete lines representing transitions of the hydrogen electron between specific energy levels within what?
A: the atom",29,1
"Q: What is the process called in which nutrients pass into the bloodstream?
A: accumulation",20,0