prompt stringlengths 51 646 | completion stringclasses 8
values |
|---|---|
How are valuable metabolites recovered?
A. reabsorption
B. replication reaction
C. osmosis
D. metabolism
Answer: | A |
Structures that have lost their use through evolution are called _______
A. symbiotic structures
B. vestigial structures
C. residual structures
D. primordial structures
Answer: | B |
What does continental crust grade into at continental margins?
A. oceanic crust
B. ocean floor
C. remnants crust
D. storm crust
Answer: | A |
What body system consists of organs that break down food, absorb nutrients, and eliminate waste?
A. skeletal system
B. hormonal system
C. digestive system
D. lymphatic system
Answer: | C |
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. small pieces
B. large pieces
C. few pieces
D. turn pieces
Answer: | A |
Stimuli in the brain, stomach, and small intestine activate or inhibit production of what secretion?
A. gastric juice
B. metabolic juice
C. digestive juice
D. sweat
Answer: | A |
What is the term for a symbiotic relationship in which one species benefits while the other species is not affected?
A. commensalism
B. parasitism
C. mutualism
D. pollenation
Answer: | A |
What does the a1c test measure over the past two to three months?
A. cholesterol levels
B. blood-glucose levels
C. RBC levels
D. albumin levels
Answer: | B |
What is the term for liquid waste formed by kidneys?
A. blood
B. sperm
C. feces
D. urine
Answer: | D |
Why does metal conduct heat and electricity so well?
A. insulation
B. free flowing photons
C. free flowing electrons
D. electromagnetism
Answer: | C |
Liverworts are small plants that grow close to what?
A. ground
B. houses
C. tree tops
D. beaches
Answer: | A |
What do atoms make by rearranging their chemical bonds in a reactant?
A. minerals
B. compounds
C. products
D. solutions
Answer: | C |
Spindle fibers pull what apart in anaphase i?
A. risk chromosomes
B. True Chromosomes
C. linked chromosomes
D. known chromosomes
Answer: | C |
What type of mutations cannot be passed on to offspring?
A. somatic mutations
B. functional mutations
C. instructional mutations
D. symbiotic mutations
Answer: | A |
What is the process in which cells break down glucose, release the stored energy, and use it to make atp
A. photosynthesis
B. electromagnetic respiration
C. reproduction
D. cellular respiration
Answer: | D |
Dew point is the temperature at which what occurs?
A. combustion
B. precipitation
C. condensation
D. fermentation
Answer: | C |
In what type of diabetes can the pancreas still make insulin, but the cells of the body cannot use it efficiently?
A. type 3 diabetes
B. type A diabetes
C. type 2 diabetes
D. type 1 diabetes
Answer: | C |
What are the two classifications of factors in the environment that affect organisms?
A. shear and abiotic
B. Antibiotick and abiotic
C. biotic and abiotic
D. rotational and abiotic
Answer: | C |
What do increasing greenhouse gas concentrations in the air do to the earth's temperature?
A. stable it
B. Pollute
C. raise it
D. Lower it
Answer: | C |
What is the name of a microorganism that is considered important for living resources in all ecosystem?
A. archaea
B. bacteria
C. pathogens
D. protozoa
Answer: | B |
What bone cell is responsible for forming new bone and is found in the growing portions of bone, including the periosteum and endosteum?
A. fibroblasts
B. osteoblast
C. congenial
D. epithelial
Answer: | B |
Individuals with what condition experience depigmentation that results in lighter colored patches of skin?
A. dementia
B. psoriasis
C. vitiligo
D. eczema
Answer: | C |
What do decomposers release back to the environment after they break down the remains and other wastes?
A. simple inorganic molecules
B. unrefined waste
C. nematodes
D. carbon monoxide
Answer: | A |
What are the areas between cells that either allow or prevent the movement of materials called?
A. receptors
B. corners
C. sections
D. junctions
Answer: | D |
Arguably the most important ingredient in saliva for digestion is a type of what, which initiates the breakdown of carbohydrates?
A. enzyme
B. fatty
C. amino
D. genes
Answer: | A |
What element can form two different compounds with oxygen?
A. dioxide
B. H20
C. carbon
D. hydrogen
Answer: | C |
Each protein has its own unique sequence and shape held together by chemical interactions. if the protein is subject to changes in temperature, ph, or exposure to chemicals, the protein structure may change, losing its shape in what is known as this?
A. fermentation
B. denaturation
C. extraction
D. gastrulation
Answer: | B |
Because they can cause diseases in plants, some parasitic fungi are considered what?
A. pathogenic
B. bacterial
C. toxic
D. viral
Answer: | A |
What is another common term for single-unit smooth muscle?
A. energies muscle
B. visceral muscle
C. abnormal muscle
D. lateral muscle
Answer: | B |
What is the term for the horizontal displacement of a projectile from its starting point?
A. Distance
B. type
C. produce
D. range
Answer: | D |
What types of stimuli control endocrine activity?
A. pressure and chemical
B. light and pressure
C. chemical and neural
D. temperature and light
Answer: | C |
What events, resulting in death of over half of animal species, have occurred on earth at least five times in the past 540 million years?
A. microevolutions
B. mass migrations
C. spontaneous mutations
D. mass extinctions
Answer: | D |
What is most of the water used in agriculture used for?
A. construction
B. irrigation
C. cleaning
D. sowing
Answer: | B |
What is a collection of fibrin, platelets, and erythrocytes that has accumulated along the lining of a blood vessel called?
A. clots
B. atherosclerosis
C. thrombus
D. embolus
Answer: | C |
Acidity is measured on what kind of scale?
A. electromagnetic scale
B. caloric scale
C. pneumatic scale
D. ph scale
Answer: | D |
What is the enclosed, fluid-filled membrane that surrounds and protects the fetus and is attached to the placenta?
A. womb
B. umbilical sac
C. amniotic sac
D. epithelial sac
Answer: | C |
Alzheimer’s disease is a disease that occurs mainly in what population?
A. older adults
B. younger adults
C. white adults
D. female adults
Answer: | A |
What do sudoriferous glands secrete?
A. tissue
B. moving
C. sweat
D. water
Answer: | C |
Group 15 of the periodic table is also called which group?
A. hydrogen
B. nitrogen
C. oxygen
D. potassium
Answer: | B |
Humans need lipids for many vital functions such as storing energy and forming what?
A. ionic bonds
B. cell membranes
C. zygotes
D. enzymes
Answer: | B |
What bond is a force of attraction between ions and atoms?
A. chemical bond
B. carbon bond
C. radiation bond
D. Ionic bond
Answer: | A |
What type of cells are the smallest of all human cells?
A. meristematic
B. sperm
C. egg
D. dna
Answer: | B |
Vertebrates also require relatively large quantities of calcium and phosphorus for building and maintaining what?
A. blood
B. metabolism
C. brain cells
D. bone
Answer: | D |
What contains most of the structures found in skin?
A. epidermis
B. dermis
C. subcutaneous layer
D. basal layer
Answer: | B |
What is the study of matter and energy referred to as?
A. physical science
B. cosmology
C. biology
D. geology
Answer: | A |
What do you call the ability of a particular electrochemical cell to generate an electric current?
A. electrical potential
B. momentum
C. electromagnetism
D. kinetic energy
Answer: | A |
What is a controlled scientific study of specific variables called?
A. practicum
B. variation
C. experiment
D. example
Answer: | C |
What happened to earth's species during the permian period?
A. evolution
B. duplication
C. division
D. mass extinction
Answer: | D |
Which organ in the body controls the amount of water loss in urine in response to maintaining homeostasis?
A. kidneys
B. spleen
C. liver
D. lungs
Answer: | A |
What is corrosive mixture is formulated by the combination of water, air and sulfur?
A. hydrochloric acid
B. nitric acid
C. sulfuric acid
D. sulfuric water
Answer: | C |
What type of pollutants enter the air directly?
A. primary
B. liquid
C. carbon
D. secondary
Answer: | A |
What type of reaction is a process in which some substances, called reactants, change into different substances, called products?
A. toxic reaction
B. chemical reaction
C. physical reaction
D. reversible reaction
Answer: | B |
What is the number placed in front of a chemical symbol or formula that shows how many atoms or molecules of the substance are involved in the reaction?
A. frequency
B. note
C. coefficient
D. requirement
Answer: | C |
Through what does urine enter the bladder?
A. the enterocytes
B. the vas deferens
C. the tubules
D. the ureters
Answer: | D |
The male and female reproductive system is regulated by follicle-stimulating hormone (fsh) and luteinizing hormone (lh) produced by what gland?
A. thyroid
B. pituitary
C. testes
D. adrenal
Answer: | B |
How do plants grow?
A. through pollination and cell division
B. through cell growth and sexual reproduction
C. through mitosis and cell division
D. through cell growth and cell division
Answer: | D |
What part of the brain is attached to the brain stem but considered a separate region of the adult brain?
A. cerebellum
B. parietal lobe
C. temporal lobe
D. frontal lobe
Answer: | A |
Plants are described by what term, meaning their cells have a nucleus and membrane-bound organelles?
A. complex
B. prokaryotic
C. eukaryotic
D. walled
Answer: | C |
What is a primary source of the hormone melatonin?
A. thyroid gland
B. thymus
C. pineal gland
D. pituitary gland
Answer: | C |
How many more times likely are men to suffer from iron overload?
A. ten times
B. eight times
C. twenty times
D. two times
Answer: | A |
Misfolding of polypeptides is a serious problem in what?
A. muscles
B. blood
C. lipids
D. cells
Answer: | D |
What does the inner membrane divide into two internal compartments?
A. chitin
B. mitochondrion
C. golgi apparatus
D. epidermis
Answer: | B |
Defined as total distance traveled divided by elapsed speed, average speed is a scalar quantity that does not include what?
A. direction
B. shift
C. size
D. pressure
Answer: | A |
Lymph capillaries collect fluid that leaks out of what?
A. bladder
B. lymph nodes
C. blood capillaries
D. alveoli
Answer: | C |
Action potentials occur whenever a depolarization increases the membrane voltage to a particular value called what?
A. fraction
B. threshold
C. ohms
D. velocity
Answer: | B |
Programmed cell death is also known as?
A. necrosis
B. apoptosis
C. suicide
D. sepsis
Answer: | B |
What happens to the mass number during a nuclear decay process by positron emission?
A. remains unchanged
B. it decreases
C. it increases
D. it rises
Answer: | A |
Embryos usually don't survive if they have extra or too few of these genetic units?
A. genes
B. ribosomes
C. phenotypes
D. chromosomes
Answer: | D |
Like the other outer planets, neptune has rings of ice and what?
A. glass
B. gas
C. mercury
D. dust
Answer: | D |
In an electromagnetic wave, what do the crests and troughs represent?
A. vibrating fields
B. particles fields
C. ocean waves
D. oscillating fields
Answer: | D |
What biome is located between the temperate and tropical biomes?
A. Tropical
B. mountainous
C. subtropical
D. Desert
Answer: | C |
Metabolism is the sum of all catabolic and which other reactions in the body?
A. abolic
B. anabolic
C. systic
D. inbolic
Answer: | B |
Diarrhea due to food poisoning is an example of a problem involving what organ system?
A. digestive system
B. muscular system
C. lung system
D. skeletal system
Answer: | A |
White light is a mixture of all wavelengths of what?
A. visible light
B. x-rays
C. infrared radiation
D. gamma radiation
Answer: | A |
What prevents solutes that have accumulated in the xylem from leaking back into the soil solution?
A. the altostratus
B. the exodermis
C. the exoskeleton
D. the endodermis
Answer: | D |
Hydrogen chloride contains one atom of hydrogen and one atom of what?
A. calcium
B. chlorine
C. magnesium
D. nitrogen
Answer: | B |
What property of toluene and xylene makes them important in the chemical industry?
A. excess property
B. isolate property
C. solvent property
D. corrosive property
Answer: | C |
The earliest cells were prokaryotes, surrounded by a cell membrane but lacking which key structure?
A. lysosomes
B. mitochondria
C. nucleus
D. ribosomes
Answer: | C |
When is the rate of the forward reaction equal to the rate of the reverse reaction?
A. at equilibrium
B. before equilibrium
C. at conduction
D. after equilibrium
Answer: | A |
In which process do signaling molecules from embryonic cells cause transcriptional changes in nearby target cells?
A. replication
B. induction
C. orientation
D. maturation
Answer: | B |
Every species has a characteristic number of what?
A. receptors
B. DNA
C. chromosomes
D. ribosomes
Answer: | C |
Ecologists already use the abilities of many prokaryotes to carry out bioremediation of soils and what else?
A. plasma
B. water
C. air
D. gas
Answer: | B |
How is most evidence gathered in science?
A. observation
B. hypothesis
C. lab experiments
D. field research
Answer: | C |
Phosphate groups are found within phospholipids and what else?
A. amino acids
B. carotenoids
C. hydrocarbon chains
D. nucleotides
Answer: | D |
Yogurt is made with milk fermented with what?
A. viruses
B. disease
C. pathogens
D. bacteria
Answer: | D |
What is energy from the sun called?
A. potential energy
B. solar energy
C. kinetic energy
D. thermodynamic energy
Answer: | B |
What is the term for when gravity pulls soil, mud, and rocks down cliffs and hillsides?
A. mass movement
B. avalanche
C. mass pressure
D. mass momentum
Answer: | A |
Metals are good conductors of what?
A. electricity
B. sound
C. metabolism
D. light
Answer: | A |
What plant hormone allows plants to curve in a specific direction?
A. peptides
B. auxin
C. apoptosis
D. pheremone
Answer: | B |
What is the most common type of organic compound?
A. fats
B. proteins
C. vitamins
D. carbohydrates
Answer: | D |
Dissolved oxygen in seawater is critical for sea creatures, but as the oceans warm, oxygen becomes less what?
A. abundant
B. insoluble
C. soluble
D. saturated
Answer: | C |
Light waves differ based on their frequency and what else?
A. voltage
B. density
C. amplitude
D. weight
Answer: | C |
What kind of diseases can be difficult to treat because they live inside the host's cells, making it hard to destroy them without killing host cells?
A. superfluous diseases
B. nucleus diseases
C. viral diseases
D. cancerous diseases
Answer: | C |
What type of cellular respiration occurs in the presence of oxygen?
A. extracellular
B. aerobic
C. anaerobic
D. hyperbaric
Answer: | B |
Stomata must control the transpiration of water vapor and the exchange of carbon dioxide and oxygen that take place during what process?
A. glycolysis
B. fertilization
C. spermatogenesis
D. photosynthesis
Answer: | D |
If pollination and fertilization occur, a diploid zygote forms within an ovule, located where
A. uterus
B. bladder
C. testicle
D. ovary
Answer: | D |
What makes up 99 percent of air?
A. phosphorus and oxygen
B. nitrogen and oxygen
C. dioxide and nitrogen
D. oxygen and dioxide
Answer: | B |
What is the process in which producers get their energy from sources other than the sun?
A. biosynthesis
B. chemosynthesis
C. electrolysis
D. phototropism
Answer: | B |
Parasitism, mutualism, and commensalism are instances of what type of interaction?
A. antibiotic
B. semantic
C. enzymatic
D. symbiotic
Answer: | D |
The cell wall of plants is made up of a complex carbohydrate that is a polymer of what sugar?
A. fructose
B. glucose
C. insulin
D. sucrose
Answer: | B |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.