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What substances, which are distinct from acids and bases, form when ions form ionic bonds?
[ "salts", "oils", "vitamins", "water molecules" ]
A
What is the name for biochemical compounds that consist of one or more chains of small molecules called amino acids?
[ "lipids", "protons", "proteins", "hormones" ]
C
What are the ionic compounds that produce negative hydroxide ions when dissolved in water?
[ "acids", "bases", "isotopes", "enzymes" ]
B
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?
[ "36", "9", "18", "74" ]
C
What is the apparatus used for carrying out an electrolysis reaction?
[ "an electrolytic cell", "an aqueous cell", "Golgi apparatus", "catalyst" ]
A
What two ways may light be transmitted?
[ "reflected or refracted", "absorption and refraction", "refracted or scattered", "magnified or scattered" ]
C
Triggered by changes in the environment, migration and hibernation occur as cycles on what temporal basis?
[ "annual", "bi-annually", "monthly", "seasonally" ]
A
What pair of tubes that extends toward the ovaries features a fringelike structure that sweeps eggs inside?
[ "vas deferens", "fallopian tubes", "golgi apparatus", "ovarian tubes" ]
B
In most animals, what sense is related to balance or equilibrium?
[ "hearing", "tasting", "vision", "feeling" ]
A
Terminal pods are located at the end of what?
[ "spines", "fruits", "leaves", "stems" ]
D
What forms when the spores from two parents fuse during sexual reproduction?
[ "monospore", "zygospore", "xerophyte", "spirogyra" ]
B
What is the name of the galaxy we live in?
[ "Centaurus A", "Bode's Galaxy", "milky way", "Andromeda" ]
C
What are the most common seedless vascular plants?
[ "ferns", "trees", "grasses", "weeds" ]
A
In a monogamous pairing, a male individual is generally paired with what other type of individual in a sexual relationship?
[ "male", "drone", "worker", "female" ]
D
What is a mass spectrometer used to measure?
[ "relative atomic masses", "subatomic masses", "partial atomic masses", "optical atomic masses" ]
A
What combines sets of genes from two different parents leading to genetically diverse offspring?
[ "cellular reproduction", "subject reproduction", "sexual destruction", "sexual reproduction" ]
D
Global warming will raise ocean levels due to melt water from glaciers and the greater volume of what?
[ "rain", "warmer water", "rainforests", "greenhouse gases" ]
B
What are groups of young stars loosely held together by gravity called?
[ "open clusters", "constellations", "galaxies", "closed clusters" ]
A
What does a pollinator pick up from its body and carry directly to another plant of the same species?
[ "spore", "pollen", "pathogen", "seed" ]
B
What is formed when an oxygen atom picks up a pair of hydrogen ions from a solution?
[ "ammonia", "water", "turpentine", "liquid" ]
B
What does the driving of turbines by the heating of water to steam accomplish?
[ "depletion of electricity", "absorption of electricity", "generation of electricity", "diffusion of electricity" ]
C
What is a device that changes kinetic energy to electrical energy through electromagnetic induction?
[ "a battery", "a diesel engine", "a windmill", "an electric generator" ]
D
How many naturally occurring elements are known on earth?
[ "60", "90", "85", "87" ]
B
What are the two types of vesicle transport called?
[ "eptocytosis and exocytosis", "epithelium and exocytosis", "endocytosis and exocytosis", "dielectric and exocytosis" ]
C
What do you call a species that has died out in the past?
[ "extinct", "inhabit", "remnant", "endangered" ]
A
Where does the embryo develop in a plant?
[ "inside the female plant after fertilization", "outside the female plant after fertilization", "inside the male plant after fertilization", "inside the stem after fertilization" ]
A
What is the method of setting or correcting a measuring device by matching it to known measurement standards called?
[ "distortion", "parallax", "precision", "calibration" ]
D
What property of warm air causes it to rise above cold air?
[ "greater density", "lower density", "greater pressure", "higher temperature" ]
B
Which branch of biology studies animal behavior?
[ "ethology", "microbiology", "embryology", "anthropology" ]
A
What unit of measure is equal to the amount of work a horse can do in 1 minute?
[ "watt", "torque", "joule", "horsepower" ]
D
What organism is characterized by an incomplete digestive system and a single, tentacled opening?
[ "sponges", "annelids", "cnidarians", "prokaryotes" ]
C
What term is not the same as energy, but means the energy per unit charge?
[ "mass", "speed", "frequency", "voltage" ]
D
What specific part of the african violet is used to propagate other plants?
[ "petals", "spores", "leaves", "roots" ]
C
What are fibers that depend on aerobic respiration called?
[ "fragile fibers", "oxidative fibers", "hydrogen fibers", "evaporative fibers" ]
B
Which form of electromagnetic waves have more energy: low frequency wave or high frequency waves?
[ "low frequency waves", "the same", "neither", "high frequency waves" ]
D
Something that has all of the characteristics of life is considered to be what?
[ "organism", "ecosystem", "alive", "molecule" ]
C
What do the letters in our blood types represent?
[ "iron levels", "alleles", "genomes", "proteins" ]
B
The two stages of photosynthesis are the light reactions and what?
[ "calvin cycle", "digestive cycle", "reproductive cycle", "respiratory cycle" ]
A
What do living things need to survive?
[ "molecules", "heat", "nutrients", "oxygen" ]
C
The denser regions of the electron cloud are called what?
[ "lattices", "orbitals", "cores", "isotopes" ]
B
In studying energy, what term do scientists use to refer to the matter and its environment involved in energy transfers?
[ "system", "world", "ecosystem", "molecule" ]
A
To measure what changes that occur in chemical reactions, chemists usually use a related thermodynamic quantity, calledenthalpy?
[ "energy", "ion exchange", "evaporation", "entropy" ]
A
A system in what state cannot spontaneously change, and therefore can do no work?
[ "equilibrium", "stability", "equality", "balance" ]
A
What is a species that plays an especially important role in it's community called?
[ "Invasive", "keystone", "Leader", "complement" ]
B
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?
[ "population density", "birth rate", "emigration", "growth rate" ]
D
The rings of what planet can be easily seen from earth?
[ "jupiter", "Venus", "Neptune", "saturn" ]
D
What planet is a blue green color?
[ "Mercury", "sirius", "uranus", "Mars" ]
C
The simplest class of organic compounds is the what?
[ "Phenols", "gas", "hydrocarbons", "particles" ]
C
Some meteorites are made of iron and nickel and are thought to be very similar to what part of the earth?
[ "shelf", "core", "mantel", "crust" ]
B
Which pathway carries somatosensory information from the face, head, mouth, and nasal cavity?
[ "trigeminal pathway", "cranial pathway", "posterior pathway", "dual pathway" ]
A
The amount of kinetic energy in a moving object depends directly on its mass and what else?
[ "volume", "velocity", "density", "direction" ]
B
Cycling, shoveling snow and cross-country skiing are examples of what kind of heart-strengthening activity?
[ "metabolism", "aerobic", "anaerobic", "exercise" ]
B
What take the shape of their container, and are relatively easy to compress?
[ "molecules", "fluids", "gases", "semi-fluids" ]
C
What is moving air called?
[ "clouds", "wind", "humidity", "steam" ]
B
What property makes bone marrow cells ideal for gene therapy?
[ "Matching", "irreversible reproduction", "behavior reproduction", "lifelong reproduction" ]
D
What is the name of the two metalloids in the carbon group called?
[ "silicon and gold", "silver and gold", "titantium and copper", "silicon and germanium" ]
D
What is the name of the zone where water is deeper than 200 meters called?
[ "euphotic zone", "aphotic zone", "eccentric zone", "transition zone" ]
B
Diagnosing and treating cancer is a beneficial use of what potentially dangerous energy?
[ "thermal", "solar", "mechanical", "radiation" ]
D
Many adults and some children suffer from a deficiency of lactase. these individuals are said to be lactose intolerant because they cannot digest the lactose found in what?
[ "meat", "peanuts", "fruit", "milk" ]
D
Three-prong plugs, circuit breakers, and gfci outlets are safety features that recognize the danger of what?
[ "electricity", "heat", "magnetism", "gravity" ]
A
Catabolic reactions break down large organic molecules into smaller molecules, releasing the energy contained in what?
[ "molecular bonds", "crystals bonds", "liquid bonds", "chemical bonds" ]
D
In qualitative analysis, reagents are added to an unknown chemical mixture in order to induce what?
[ "erosion", "precipitation", "sunlight", "motion" ]
B
While climate change in earth history was due to natural processes, what is primarily to blame for recent global warming?
[ "human actions", "wars", "volcanos", "factories" ]
A
What is the simplest life cycle?
[ "diploid life cycle", "haploid life cycle", "metamorphic cycle", "binary life cycle" ]
B
What keeps the moon orbiting earth?
[ "the Sun", "Coriolis effect", "axial tilt", "gravity" ]
D
What are formed by the attraction between oppositely charged ions?
[ "inept bonds", "ionic bonds", "soluble bonds", "magnetic bonds" ]
B
What produces hormones that directly regulate body processes?
[ "lymph glands", "pancreas", "hypothalamus", "hippocampus" ]
C
Comparing anatomy, and characterizing the similarities and differences, provides evidence of what process?
[ "evolution", "devolution", "emergence", "regression" ]
A
What is the second most abundant element in the earth's crust?
[ "helium", "carbon", "silicon", "nitrogen" ]
C
Which kind of genetics approach involves mutating or deleting genes provides researchers with clues about gene function?
[ "impossible genetics", "reverse genetics", "inverse genetics", "possible genetics" ]
B
More than half of all known organisms are what?
[ "enzymes", "mammals", "spiders", "insects" ]
D
For what purpose does liver use the excess carbohydrate?
[ "convert starches", "to synthesize glycogen", "dilute carbohydrates", "process sugar" ]
B
Saturn is made mostly of helium and what else?
[ "carbon", "hydrogen", "hydrogen", "nitrogen" ]
B
What are alkenes organic compounds that contain one or more double or triple bonds between carbon atoms described as?
[ "saturated", "insulated", "strong", "unsaturated" ]
D
Electrons in covalent compounds are shared between the two atoms, unlike the case in what type of bonds?
[ "soluble bonds", "horizontal bonds", "ionic bonds", "weak bonds" ]
C
What is the resistance of a liquid to flow called?
[ "viscosity", "turbulence", "elasticity", "permeability" ]
A
The mass of atoms is based on the number of protons and neutrons in what?
[ "molecules", "nucleus", "electrons", "components" ]
B
Where do polychaete worms live?
[ "in coral reefs", "the ocean floor", "attached to marine life", "in tide pools" ]
B
What is the study of how and why plants and animals live where they do?
[ "biogeography", "heredity", "lithography", "geomorphology" ]
A
Muscles that position the pectoral girdle are located either on the anterior thorax or on this?
[ "posterior thorax", "analogous thorax", "posterior thorax", "inferred thorax" ]
A
What are the two major types of seed plants called?
[ "perennials and annuals", "gymnosperms and angiosperms", "deciduous and evergreen", "flowers and fruits" ]
B
What do we call the energy-rich product of photosynthesis?
[ "sugar", "chloride", "insulin", "glucose" ]
D
How is oxygen transferred into the bloodstream?
[ "hard diffusion", "simple diffusion", "mean diffusion", "brain diffusion" ]
B
Ringworm and athlete's foot are human diseases caused by what simple organisms?
[ "viruses", "fungi", "insects", "bacteria" ]
B
What is the measure of the change in the velocity of a moving object called?
[ "pressurization", "acceleration", "compression", "transmission" ]
B
What is the usual treatment for acute bronchitis?
[ "antibiotics", "pesticides", "physical therapy", "surgery" ]
A
What are generally divided into prosimian and non-prosimian?
[ "primates", "rodents", "carnivores", "insects" ]
A
The creation and destruction of oceanic crust is the reason what moves?
[ "oceans", "planets", "continents", "animals" ]
C
What is the concept by which two species within the same area to coexist by adapting by developing different specializations?
[ "character concept", "feature displacement", "character displacement", "character development" ]
C
A turbine that spins a generator will produce?
[ "solar energy", "light", "magnetic fields", "electricity" ]
D
Meiosis in the sporophyte produces haploid cells called what?
[ "ions", "seeds", "fibers", "spores" ]
D
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?
[ "single-replacement reaction", "replication reaction", "polar reaction", "double-replacement reaction" ]
A
What are the two distinct types of cells found in the animal kingdom?
[ "chromosomes and eukaryotes", "prokaryotes and eukaryotes", "DNA and Eukaryotes", "bacteria and eukaryotes" ]
B
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?
[ "noble gases", "nonmetals", "metals", "halogens" ]
C
Angiosperms are also known as what?
[ "uncommon plants", "dead plants", "dry plants", "flowering plants" ]
D
An estimated 100 trillion of these live in the gut of an average person?
[ "algae", "bacteria", "pathogens", "viruses" ]
B
The ability to regulate what, which is possessed by mammals, was an advantage as earth’s climate went through sudden and dramatic changes?
[ "hair growth", "reflex behaviors", "mutations", "body temperature" ]
D
What is the term for very large arrays of tandemly repeating, non-coding dna?
[ "satellite dna", "addition dna", "recombinant dna", "models dna" ]
A
What kind of map can show the features of the bottom of a body of water?
[ "bathymetric", "basic", "country", "topographic" ]
A
What evolved, adapted response to resource availability is the long-range seasonal movement of animals?
[ "regulating", "changing", "Stagnation", "migration" ]
D