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Historically, certain bacteriophages have also been used as cloning vectors for making what?
[ "diverse libraries", "specific libraries", "ultraviolet libraries", "genomic libraries" ]
genomic libraries
Answer the following multiple-choice question. Question: Historically, certain bacteriophages have also been used as cloning vectors for making what? Options: A. diverse libraries B. specific libraries C. ultraviolet libraries D. genomic libraries Which option is correct and why?
The correct answer is: genomic libraries.
D
What type of intense storm is a system of winds that rotate around a low pressure center, resulting in swirling air that rises and cools to create clouds and precipitation?
[ "monsoon", "hurricane", "cyclone", "drought" ]
cyclone
Answer the following multiple-choice question. Question: What type of intense storm is a system of winds that rotate around a low pressure center, resulting in swirling air that rises and cools to create clouds and precipitation? Options: A. monsoon B. hurricane C. cyclone D. drought Which option is correct and why?
The correct answer is: cyclone.
C
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?
[ "absorption", "diffusion", "osmosis", "convection" ]
diffusion
Answer the following multiple-choice question. Question: 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? Options: A. absorption B. diffusion C. osmosis D. convection Which option is correct and why?
The correct answer is: diffusion.
B
The prostate gland secretes a fluid that mixes with sperm to help form what?
[ "testosterone", "hormone", "semen", "urine" ]
semen
Answer the following multiple-choice question. Question: The prostate gland secretes a fluid that mixes with sperm to help form what? Options: A. testosterone B. hormone C. semen D. urine Which option is correct and why?
The correct answer is: semen.
C
A person wanting to pay airfare will ride
[ "through clouds", "on seas", "across rails", "on tracks" ]
through clouds
Answer the following multiple-choice question. Question: A person wanting to pay airfare will ride Options: A. through clouds B. on seas C. across rails D. on tracks Which option is correct and why?
The correct answer is: through clouds.
A
How do fish get oxygen?
[ "muscles", "gills", "water", "dorsal fin", "eyes", "skin", "rivers", "blood" ]
gills
Answer the following multiple-choice question. Question: How do fish get oxygen? Options: A. muscles B. gills C. water D. dorsal fin E. eyes F. skin G. rivers H. blood Which option is correct and why?
The correct answer is: gills.
B
What term describes the sequential appearance and disappearance of species in a community over time after a severe disturbance?
[ "succession", "generational replacement", "supression", "pattern" ]
succession
Answer the following multiple-choice question. Question: What term describes the sequential appearance and disappearance of species in a community over time after a severe disturbance? Options: A. succession B. generational replacement C. supression D. pattern Which option is correct and why?
The correct answer is: succession.
A
What term describes the number and kinds of species in a location or on the planet?
[ "Allopatric speciation", "biodiversity", "habitat", "ecosystem" ]
biodiversity
Answer the following multiple-choice question. Question: What term describes the number and kinds of species in a location or on the planet? Options: A. Allopatric speciation B. biodiversity C. habitat D. ecosystem Which option is correct and why?
The correct answer is: biodiversity.
B
Brain cells die quickly if their what supply is cut off
[ "energy", "breathe", "Energy.", "alveoli", "cut", "CO 2", "loss", "blood" ]
blood
Answer the following multiple-choice question. Question: Brain cells die quickly if their what supply is cut off Options: A. energy B. breathe C. Energy. D. alveoli E. cut F. CO 2 G. loss H. blood Which option is correct and why?
The correct answer is: blood.
A
What is used to cook with a pan?
[ "Heat energy", "Solar energy", "leaves", "energy", "trees", "bushes", "heating liquids", "oysters" ]
Heat energy
Answer the following multiple-choice question. Question: What is used to cook with a pan? Options: A. Heat energy B. Solar energy C. leaves D. energy E. trees F. bushes G. heating liquids H. oysters Which option is correct and why?
The correct answer is: Heat energy.
A
when the seasons change from the summer to the fall, the days become what?
[ "Length", "colder", "cold", "segmented", "humid", "mild", "warmer", "hotter" ]
colder
Answer the following multiple-choice question. Question: when the seasons change from the summer to the fall, the days become what? Options: A. Length B. colder C. cold D. segmented E. humid F. mild G. warmer H. hotter Which option is correct and why?
The correct answer is: colder.
B
The sum of the masses of the atoms in the formula is referred to as what?
[ "magnetic mass", "atomic mass", "molecular mass", "nucleus mass" ]
molecular mass
Answer the following multiple-choice question. Question: The sum of the masses of the atoms in the formula is referred to as what? Options: A. magnetic mass B. atomic mass C. molecular mass D. nucleus mass Which option is correct and why?
The correct answer is: molecular mass.
C
If a plane is landing on a strip where someone is standing, the plane's blinking will look
[ "more intense", "duller", "more distant", "more dim" ]
more intense
Answer the following multiple-choice question. Question: If a plane is landing on a strip where someone is standing, the plane's blinking will look Options: A. more intense B. duller C. more distant D. more dim Which option is correct and why?
The correct answer is: more intense.
A
An plant that requires lots of watering would do better in
[ "craters on Earth's moon", "a sandy, barren desert", "a lush elm-filled area", "a large expanse of frozen tundra" ]
a lush elm-filled area
Answer the following multiple-choice question. Question: An plant that requires lots of watering would do better in Options: A. craters on Earth's moon B. a sandy, barren desert C. a lush elm-filled area D. a large expanse of frozen tundra Which option is correct and why?
The correct answer is: a lush elm-filled area.
C
An object can be seen if it reflects what?
[ "Energy.", "vibrations", "energy", "waves", "sound", "sun's heat", "photons", "sunlight" ]
photons
Answer the following multiple-choice question. Question: An object can be seen if it reflects what? Options: A. Energy. B. vibrations C. energy D. waves E. sound F. sun's heat G. photons H. sunlight Which option is correct and why?
The correct answer is: photons.
A
What is stored in the stem of the saguaro?
[ "gas", "water", "ice", "sand", "fibrous", "sugar", "glucose", "energy" ]
water
Answer the following multiple-choice question. Question: What is stored in the stem of the saguaro? Options: A. gas B. water C. ice D. sand E. fibrous F. sugar G. glucose H. energy Which option is correct and why?
The correct answer is: water.
B
What animals belong to the largest phylum of invertibrates?
[ "plants", "parasites", "octopuses", "tortoises", "eartworms", "insects", "mammals", "animals" ]
insects
Answer the following multiple-choice question. Question: What animals belong to the largest phylum of invertibrates? Options: A. plants B. parasites C. octopuses D. tortoises E. eartworms F. insects G. mammals H. animals Which option is correct and why?
The correct answer is: insects.
A
Fruit fly and brine shrimp hox genes have evolved independently for how long?
[ "60.000 million years", "400 million years", "100.32 million years", "one billion" ]
400 million years
Answer the following multiple-choice question. Question: Fruit fly and brine shrimp hox genes have evolved independently for how long? Options: A. 60.000 million years B. 400 million years C. 100.32 million years D. one billion Which option is correct and why?
The correct answer is: 400 million years.
B
What theory of evolution is charles darwin most known for?
[ "natural selection", "natural variety", "natural change", "immoral selection" ]
natural selection
Answer the following multiple-choice question. Question: What theory of evolution is charles darwin most known for? Options: A. natural selection B. natural variety C. natural change D. immoral selection Which option is correct and why?
The correct answer is: natural selection.
A
A gateway to second adulthood occurs when what happens?
[ "produce is farmed", "bodies are dissected", "Plant growth is reduced", "rapid expansion", "Temperature changing", "Movement of an air mass", "menstruation stops", "genes are shared" ]
menstruation stops
Answer the following multiple-choice question. Question: A gateway to second adulthood occurs when what happens? Options: A. produce is farmed B. bodies are dissected C. Plant growth is reduced D. rapid expansion E. Temperature changing F. Movement of an air mass G. menstruation stops H. genes are shared Which option is correct and why?
The correct answer is: menstruation stops.
A
a rainbow is formed by what of light by separating light into all different colors
[ "Energy.", "Color palette", "sunlight", "energy", "photons", "Bending.", "Rainbow brite", "Light bulb" ]
Bending.
Answer the following multiple-choice question. Question: a rainbow is formed by what of light by separating light into all different colors Options: A. Energy. B. Color palette C. sunlight D. energy E. photons F. Bending. G. Rainbow brite H. Light bulb Which option is correct and why?
The correct answer is: Bending..
A
What do you call a science that aims to find solutions to practical problems?
[ "applied experience", "applied science", "experimental science", "evolved science" ]
applied science
Answer the following multiple-choice question. Question: What do you call a science that aims to find solutions to practical problems? Options: A. applied experience B. applied science C. experimental science D. evolved science Which option is correct and why?
The correct answer is: applied science.
B
What fiber can be found only in warm-blooded animals?
[ "teeth", "birth marks", "muscle", "taste buds", "hair", "wool", "sugar", "fur" ]
hair
Answer the following multiple-choice question. Question: What fiber can be found only in warm-blooded animals? Options: A. teeth B. birth marks C. muscle D. taste buds E. hair F. wool G. sugar H. fur Which option is correct and why?
The correct answer is: hair.
E
antigens are found on cancer cells and the cells of transplanted what?
[ "personality", "density", "alveoli", "lungs", "the skin", "epidermal", "livers", "digestion" ]
livers
Answer the following multiple-choice question. Question: antigens are found on cancer cells and the cells of transplanted what? Options: A. personality B. density C. alveoli D. lungs E. the skin F. epidermal G. livers H. digestion Which option is correct and why?
The correct answer is: livers.
A
Where do flowers come from?
[ "bushes", "A seed", "The ocean", "An egg", "spring", "Tropical", "Sand", "pollen" ]
A seed
Answer the following multiple-choice question. Question: Where do flowers come from? Options: A. bushes B. A seed C. The ocean D. An egg E. spring F. Tropical G. Sand H. pollen Which option is correct and why?
The correct answer is: A seed.
B
Where do biochemical reactions take place?
[ "in atoms", "between cells", "outside of cells", "inside the organisms' cells" ]
inside the organisms' cells
Answer the following multiple-choice question. Question: Where do biochemical reactions take place? Options: A. in atoms B. between cells C. outside of cells D. inside the organisms' cells Which option is correct and why?
The correct answer is: inside the organisms' cells.
D
When do plants release oxygen?
[ "When the sun is out", "heat produced", "in the autumn season", "flow of electrons", "When there is a full moon", "During nighttime hours", "When the stars are out", "metabolic reaction" ]
When the sun is out
Answer the following multiple-choice question. Question: When do plants release oxygen? Options: A. When the sun is out B. heat produced C. in the autumn season D. flow of electrons E. When there is a full moon F. During nighttime hours G. When the stars are out H. metabolic reaction Which option is correct and why?
The correct answer is: When the sun is out.
A
What do you call the process of a solid becoming a liquid?
[ "vaporizing", "melting", "freezing", "boiling" ]
melting
Answer the following multiple-choice question. Question: What do you call the process of a solid becoming a liquid? Options: A. vaporizing B. melting C. freezing D. boiling Which option is correct and why?
The correct answer is: melting.
B
What type of acid is often used as a preservative for acidic foods such as fruit juices?
[ "citric acid", "hydrochloric acid", "sulfuric acid", "benzoic acid" ]
benzoic acid
Answer the following multiple-choice question. Question: What type of acid is often used as a preservative for acidic foods such as fruit juices? Options: A. citric acid B. hydrochloric acid C. sulfuric acid D. benzoic acid Which option is correct and why?
The correct answer is: benzoic acid.
D
What is the result of an object reflecting light toward the eye?
[ "Being blurred", "Being Seen", "Blindness", "Glare" ]
Being Seen
Answer the following multiple-choice question. Question: What is the result of an object reflecting light toward the eye? Options: A. Being blurred B. Being Seen C. Blindness D. Glare Which option is correct and why?
The correct answer is: Being Seen.
B
All three types of convergent plate boundaries produce what destructive phenomenon?
[ "storm", "earthquake", "volcano", "tornado" ]
earthquake
Answer the following multiple-choice question. Question: All three types of convergent plate boundaries produce what destructive phenomenon? Options: A. storm B. earthquake C. volcano D. tornado Which option is correct and why?
The correct answer is: earthquake.
B
What is another word for brooding- keeping eggs warm while the embryos develop?
[ "fertilization", "hibernation", "incubation", "spawning" ]
incubation
Answer the following multiple-choice question. Question: What is another word for brooding- keeping eggs warm while the embryos develop? Options: A. fertilization B. hibernation C. incubation D. spawning Which option is correct and why?
The correct answer is: incubation.
C
Molecules of _ initiate protein synthesis
[ "Acids", "nektar", "sugar", "tRNA", "H 2 O", "three", "CO 2", "HIV" ]
tRNA
Answer the following multiple-choice question. Question: Molecules of _ initiate protein synthesis Options: A. Acids B. nektar C. sugar D. tRNA E. H 2 O F. three G. CO 2 H. HIV Which option is correct and why?
The correct answer is: tRNA.
D
What can regrow sections that they have lost?
[ "leeches", "alveoli", "crocodiles", "vegetation", "a fish", "bacteria", "barnacles", "sharks" ]
leeches
Answer the following multiple-choice question. Question: What can regrow sections that they have lost? Options: A. leeches B. alveoli C. crocodiles D. vegetation E. a fish F. bacteria G. barnacles H. sharks Which option is correct and why?
The correct answer is: leeches.
A
What are highly probable in the evolution of a group of bipedal dinosaurs?
[ "group activities", "heat energy", "lack of teeth", "animals", "high altitidues", "mammals", "fur and fat", "feathers" ]
feathers
Answer the following multiple-choice question. Question: What are highly probable in the evolution of a group of bipedal dinosaurs? Options: A. group activities B. heat energy C. lack of teeth D. animals E. high altitidues F. mammals G. fur and fat H. feathers Which option is correct and why?
The correct answer is: feathers.
A
The term “vapor” refers to the gas phase when it exists at a temperature below what?
[ "liquid temperature", "contaminated temperature", "boiling temperature", "freezing temperature" ]
boiling temperature
Answer the following multiple-choice question. Question: The term “vapor” refers to the gas phase when it exists at a temperature below what? Options: A. liquid temperature B. contaminated temperature C. boiling temperature D. freezing temperature Which option is correct and why?
The correct answer is: boiling temperature.
C
What is an organic compound that is made up of only carbon and hydrogen?
[ "a component", "a catalyst", "an acid", "a hydrocarbon" ]
a hydrocarbon
Answer the following multiple-choice question. Question: What is an organic compound that is made up of only carbon and hydrogen? Options: A. a component B. a catalyst C. an acid D. a hydrocarbon Which option is correct and why?
The correct answer is: a hydrocarbon.
D
hormones produced at the base of the what control other endocrine glands
[ "proteins", "organ", "fats", "animals", "synapse", "humans", "brain", "Man" ]
brain
Answer the following multiple-choice question. Question: hormones produced at the base of the what control other endocrine glands Options: A. proteins B. organ C. fats D. animals E. synapse F. humans G. brain H. Man Which option is correct and why?
The correct answer is: brain.
A
heavy rains cause what events
[ "forest is destroyed", "mating", "population movement", "Plant growth is reduced", "oil spill", "basic building blocks of life", "deadly and devastating", "drought" ]
deadly and devastating
Answer the following multiple-choice question. Question: heavy rains cause what events Options: A. forest is destroyed B. mating C. population movement D. Plant growth is reduced E. oil spill F. basic building blocks of life G. deadly and devastating H. drought Which option is correct and why?
The correct answer is: deadly and devastating.
A
Give an example of air pollution while painting indoors.
[ "gas fumes", "paint fumes", "fuel fumes", "variety fumes" ]
paint fumes
Answer the following multiple-choice question. Question: Give an example of air pollution while painting indoors. Options: A. gas fumes B. paint fumes C. fuel fumes D. variety fumes Which option is correct and why?
The correct answer is: paint fumes.
B
The nuclear envelope is a double-layered plasma membrane like the cell membrane, although without what?
[ "membrane proteins", "cytoplasm", "nucleic acids", "cell walls" ]
membrane proteins
Answer the following multiple-choice question. Question: The nuclear envelope is a double-layered plasma membrane like the cell membrane, although without what? Options: A. membrane proteins B. cytoplasm C. nucleic acids D. cell walls Which option is correct and why?
The correct answer is: membrane proteins.
A
What does harming an organism cause?
[ "population increase", "change in appearance", "population decrease", "nothing" ]
population decrease
Answer the following multiple-choice question. Question: What does harming an organism cause? Options: A. population increase B. change in appearance C. population decrease D. nothing Which option is correct and why?
The correct answer is: population decrease.
C
What is the term for organisms that live in extremely hot environments?
[ "thermophobes", "hydrophylic", "thermophiles", "exothermic" ]
thermophiles
Answer the following multiple-choice question. Question: What is the term for organisms that live in extremely hot environments? Options: A. thermophobes B. hydrophylic C. thermophiles D. exothermic Which option is correct and why?
The correct answer is: thermophiles.
C
What lacks regions that do not code for proteins?
[ "prokaryotes", "human cells", "peachleaf willow", "graptolites", "barnacles", "plant cells", "eukaryotes", "gastropod shells" ]
prokaryotes
Answer the following multiple-choice question. Question: What lacks regions that do not code for proteins? Options: A. prokaryotes B. human cells C. peachleaf willow D. graptolites E. barnacles F. plant cells G. eukaryotes H. gastropod shells Which option is correct and why?
The correct answer is: prokaryotes.
A
What generally carries something bright red?
[ "bears", "veins", "arteries", "mammals", "nerves", "fur seals", "Cars", "bones" ]
arteries
Answer the following multiple-choice question. Question: What generally carries something bright red? Options: A. bears B. veins C. arteries D. mammals E. nerves F. fur seals G. Cars H. bones Which option is correct and why?
The correct answer is: arteries.
C
At night stars appear to move relative to the
[ "moon", "skyline", "treetops", "ocean" ]
skyline
Answer the following multiple-choice question. Question: At night stars appear to move relative to the Options: A. moon B. skyline C. treetops D. ocean Which option is correct and why?
The correct answer is: skyline.
B
As the barometer reading goes lower there is a greater chance of
[ "winning a prize", "sunshine", "a full moon", "getting wet" ]
getting wet
Answer the following multiple-choice question. Question: As the barometer reading goes lower there is a greater chance of Options: A. winning a prize B. sunshine C. a full moon D. getting wet Which option is correct and why?
The correct answer is: getting wet.
D
What bifurcates into the right and left bronchi in the lungs?
[ "neck", "trachea", "cornea", "aorta" ]
trachea
Answer the following multiple-choice question. Question: What bifurcates into the right and left bronchi in the lungs? Options: A. neck B. trachea C. cornea D. aorta Which option is correct and why?
The correct answer is: trachea.
B
The diapsids diverged into two groups, the archosauromorpha (“ancient lizard form”) and the lepidosauromorpha (“scaly lizard form”) during what time period?
[ "mesozoic", "cenozoic", "holocene", "paleozoic" ]
mesozoic
Answer the following multiple-choice question. Question: The diapsids diverged into two groups, the archosauromorpha (“ancient lizard form”) and the lepidosauromorpha (“scaly lizard form”) during what time period? Options: A. mesozoic B. cenozoic C. holocene D. paleozoic Which option is correct and why?
The correct answer is: mesozoic.
A
What does pushing an object over the surface of a ramp cause?
[ "friction", "Acceleration", "tension", "vibration" ]
friction
Answer the following multiple-choice question. Question: What does pushing an object over the surface of a ramp cause? Options: A. friction B. Acceleration C. tension D. vibration Which option is correct and why?
The correct answer is: friction.
A
What chemicals in the liver support glucose homeostasis?
[ "Force and insulin", "cytosol and insulin", "glucagon and insulin", "lactobacilli and insulin" ]
glucagon and insulin
Answer the following multiple-choice question. Question: What chemicals in the liver support glucose homeostasis? Options: A. Force and insulin B. cytosol and insulin C. glucagon and insulin D. lactobacilli and insulin Which option is correct and why?
The correct answer is: glucagon and insulin.
C
Hydrogen sulfide is a noxious and toxic gas produced from decaying organic matter that contains what?
[ "helium", "methane", "sulfur", "tin" ]
sulfur
Answer the following multiple-choice question. Question: Hydrogen sulfide is a noxious and toxic gas produced from decaying organic matter that contains what? Options: A. helium B. methane C. sulfur D. tin Which option is correct and why?
The correct answer is: sulfur.
C
What does a hemisphere receive less of if it is tilted away from the sun?
[ "Light", "rain", "warmth", "Epidermis", "body water", "photons", "cold air", "sugar" ]
photons
Answer the following multiple-choice question. Question: What does a hemisphere receive less of if it is tilted away from the sun? Options: A. Light B. rain C. warmth D. Epidermis E. body water F. photons G. cold air H. sugar Which option is correct and why?
The correct answer is: photons.
A
A type of what organism causes ergot, a disease that impacts crops directly and has more devastating effects on animals?
[ "insects", "bacteria", "fungus", "virus" ]
fungus
Answer the following multiple-choice question. Question: A type of what organism causes ergot, a disease that impacts crops directly and has more devastating effects on animals? Options: A. insects B. bacteria C. fungus D. virus Which option is correct and why?
The correct answer is: fungus.
C
what requires stamina to succeed at physical activities?
[ "humans", "hawks", "dogs", "plants", "oxygen", "tigers", "gases", "Birds" ]
dogs
Answer the following multiple-choice question. Question: what requires stamina to succeed at physical activities? Options: A. humans B. hawks C. dogs D. plants E. oxygen F. tigers G. gases H. Birds Which option is correct and why?
The correct answer is: dogs.
C
Who built the first telescope?
[ "newton", "copernicus", "brahe", "galileo" ]
galileo
Answer the following multiple-choice question. Question: Who built the first telescope? Options: A. newton B. copernicus C. brahe D. galileo Which option is correct and why?
The correct answer is: galileo.
D
Plants are like all other organisms, in that they need what to survive?
[ "sustenance", "shoes", "games", "internet" ]
sustenance
Answer the following multiple-choice question. Question: Plants are like all other organisms, in that they need what to survive? Options: A. sustenance B. shoes C. games D. internet Which option is correct and why?
The correct answer is: sustenance.
A
What can damage the hair cells lining the cochlea of the inner ear?
[ "amelodic sounds", "wavering sounds", "loud sounds", "unexpected sounds" ]
loud sounds
Answer the following multiple-choice question. Question: What can damage the hair cells lining the cochlea of the inner ear? Options: A. amelodic sounds B. wavering sounds C. loud sounds D. unexpected sounds Which option is correct and why?
The correct answer is: loud sounds.
C
What lacks a uterus and vagina?
[ "Conifers", "rats", "humans", "mammals", "echidnas", "kalenchoes", "alpacas", "barnacles" ]
echidnas
Answer the following multiple-choice question. Question: What lacks a uterus and vagina? Options: A. Conifers B. rats C. humans D. mammals E. echidnas F. kalenchoes G. alpacas H. barnacles Which option is correct and why?
The correct answer is: echidnas.
E
What has a positive impact on an ecosystem?
[ "mussels", "hurricanes", "invasive species", "Frogs", "stay warm", "animals", "wildfires", "oxygen" ]
oxygen
Answer the following multiple-choice question. Question: What has a positive impact on an ecosystem? Options: A. mussels B. hurricanes C. invasive species D. Frogs E. stay warm F. animals G. wildfires H. oxygen Which option is correct and why?
The correct answer is: oxygen.
A
Chemical reactions are typically written to imply that they proceed in one direction - if they can occur in either direction, they are considered what?
[ "reactive", "observable", "singular", "reversible" ]
reversible
Answer the following multiple-choice question. Question: Chemical reactions are typically written to imply that they proceed in one direction - if they can occur in either direction, they are considered what? Options: A. reactive B. observable C. singular D. reversible Which option is correct and why?
The correct answer is: reversible.
D
Mirrors reflect light because for light to travel through the material of which the mirror is made makes it
[ "difficult", "loud", "easy", "long" ]
difficult
Answer the following multiple-choice question. Question: Mirrors reflect light because for light to travel through the material of which the mirror is made makes it Options: A. difficult B. loud C. easy D. long Which option is correct and why?
The correct answer is: difficult.
A
What is the term for the smallest particle of an element that still has the properties of that element?
[ "nucleus", "electron", "atom", "neutron" ]
atom
Answer the following multiple-choice question. Question: What is the term for the smallest particle of an element that still has the properties of that element? Options: A. nucleus B. electron C. atom D. neutron Which option is correct and why?
The correct answer is: atom.
C
What is the name of the mechanism in which sounds are encoded in microwaves by changing their frequency?
[ "mechanical modulation", "shape modulation", "molecular modulation", "frequency modulation" ]
frequency modulation
Answer the following multiple-choice question. Question: What is the name of the mechanism in which sounds are encoded in microwaves by changing their frequency? Options: A. mechanical modulation B. shape modulation C. molecular modulation D. frequency modulation Which option is correct and why?
The correct answer is: frequency modulation.
D
Which most likely requires the aid of specialized tissues at the ends of stems?
[ "human assisted space travel", "the quick growth of bamboo", "cats digging with their claws", "the slow growth of mammals" ]
the quick growth of bamboo
Answer the following multiple-choice question. Question: Which most likely requires the aid of specialized tissues at the ends of stems? Options: A. human assisted space travel B. the quick growth of bamboo C. cats digging with their claws D. the slow growth of mammals Which option is correct and why?
The correct answer is: the quick growth of bamboo.
B
How is the chance of survival affected when animals lack parental care?
[ "decreased", "increased", "variable", "unaffected" ]
decreased
Answer the following multiple-choice question. Question: How is the chance of survival affected when animals lack parental care? Options: A. decreased B. increased C. variable D. unaffected Which option is correct and why?
The correct answer is: decreased.
A
What is essential for evolution to occur?
[ "Changes in DNA sequences", "Plant reproduction", "Natural disasters", "Gamma radiation", "biological diversity", "DNA sequences staying the same", "the environment", "that material's properties" ]
Changes in DNA sequences
Answer the following multiple-choice question. Question: What is essential for evolution to occur? Options: A. Changes in DNA sequences B. Plant reproduction C. Natural disasters D. Gamma radiation E. biological diversity F. DNA sequences staying the same G. the environment H. that material's properties Which option is correct and why?
The correct answer is: Changes in DNA sequences.
A
What is the process by which producers use the energy in sunlight to make food?
[ "Leukemogenesis", "glycolysis", "photosynthesis", "Embryogenesis" ]
photosynthesis
Answer the following multiple-choice question. Question: What is the process by which producers use the energy in sunlight to make food? Options: A. Leukemogenesis B. glycolysis C. photosynthesis D. Embryogenesis Which option is correct and why?
The correct answer is: photosynthesis.
C
Where do bees get nutrition?
[ "seeds from a farmer's field", "from the leaves of trees", "the local grocery store", "a powdery substance found in the reproductive parts of plants" ]
a powdery substance found in the reproductive parts of plants
Answer the following multiple-choice question. Question: Where do bees get nutrition? Options: A. seeds from a farmer's field B. from the leaves of trees C. the local grocery store D. a powdery substance found in the reproductive parts of plants Which option is correct and why?
The correct answer is: a powdery substance found in the reproductive parts of plants.
D
what is ozone made of?
[ "oxygen", "gas", "dangerous", "Energy", "nitrogen", "emissions", "radiation", "hydrogen" ]
oxygen
Answer the following multiple-choice question. Question: what is ozone made of? Options: A. oxygen B. gas C. dangerous D. Energy E. nitrogen F. emissions G. radiation H. hydrogen Which option is correct and why?
The correct answer is: oxygen.
A
Toasting bread makes it
[ "smaller", "longer", "wider", "harder" ]
harder
Answer the following multiple-choice question. Question: Toasting bread makes it Options: A. smaller B. longer C. wider D. harder Which option is correct and why?
The correct answer is: harder.
D
Things that are hydrophobic repel or otherwise don't really mix with what?
[ "air", "water", "heat", "magnets" ]
water
Answer the following multiple-choice question. Question: Things that are hydrophobic repel or otherwise don't really mix with what? Options: A. air B. water C. heat D. magnets Which option is correct and why?
The correct answer is: water.
B
What is the term for longer chains of monosaccharides ?
[ "polysaccharides", "hydrocarbons", "proteins", "oligosaccharides" ]
polysaccharides
Answer the following multiple-choice question. Question: What is the term for longer chains of monosaccharides ? Options: A. polysaccharides B. hydrocarbons C. proteins D. oligosaccharides Which option is correct and why?
The correct answer is: polysaccharides.
A
What do clams feed on?
[ "Plankton", "food", "glucose", "Fish", "Flowers", "Energy.", "Energy", "Other clams" ]
Plankton
Answer the following multiple-choice question. Question: What do clams feed on? Options: A. Plankton B. food C. glucose D. Fish E. Flowers F. Energy. G. Energy H. Other clams Which option is correct and why?
The correct answer is: Plankton.
A
If a lion sweats what happens?
[ "its bodily water decreases", "depress neuronal excitability", "get chemical reactions started", "its bodily water increases", "heat is produced", "it becomes less thirsty", "it becomes warmer", "exposure to cold" ]
its bodily water decreases
Answer the following multiple-choice question. Question: If a lion sweats what happens? Options: A. its bodily water decreases B. depress neuronal excitability C. get chemical reactions started D. its bodily water increases E. heat is produced F. it becomes less thirsty G. it becomes warmer H. exposure to cold Which option is correct and why?
The correct answer is: its bodily water decreases.
A
Where can one readily see the geologic history of an area?
[ "down", "scuba diving", "soils", "pastureland", "canyon", "driving", "Mountains", "mines" ]
canyon
Answer the following multiple-choice question. Question: Where can one readily see the geologic history of an area? Options: A. down B. scuba diving C. soils D. pastureland E. canyon F. driving G. Mountains H. mines Which option is correct and why?
The correct answer is: canyon.
E
In eukaryotes, mrna may be modified before leaving what?
[ "epidermis", "ribosome", "mitochondria", "nucleus" ]
nucleus
Answer the following multiple-choice question. Question: In eukaryotes, mrna may be modified before leaving what? Options: A. epidermis B. ribosome C. mitochondria D. nucleus Which option is correct and why?
The correct answer is: nucleus.
D
Toggling a light switch on
[ "completes a circuit", "makes black holes", "opens a circuit", "breeds contempt" ]
completes a circuit
Answer the following multiple-choice question. Question: Toggling a light switch on Options: A. completes a circuit B. makes black holes C. opens a circuit D. breeds contempt Which option is correct and why?
The correct answer is: completes a circuit.
A
Coral reefs and tropical rainforests are ecosystems known for what, contributing greatly to the species in existence on earth?
[ "commensalism", "spontaneous mutation", "biodiversity", "mass migrations" ]
biodiversity
Answer the following multiple-choice question. Question: Coral reefs and tropical rainforests are ecosystems known for what, contributing greatly to the species in existence on earth? Options: A. commensalism B. spontaneous mutation C. biodiversity D. mass migrations Which option is correct and why?
The correct answer is: biodiversity.
C
How often does condensation occur in your cells?
[ "never", "daily", "weekly", "constantly" ]
constantly
Answer the following multiple-choice question. Question: How often does condensation occur in your cells? Options: A. never B. daily C. weekly D. constantly Which option is correct and why?
The correct answer is: constantly.
D
what reproduction requires pollination?
[ "humans", "They lay eggs", "Tropical", "bees", "insects", "subtropical", "perennials", "heterotrophs" ]
perennials
Answer the following multiple-choice question. Question: what reproduction requires pollination? Options: A. humans B. They lay eggs C. Tropical D. bees E. insects F. subtropical G. perennials H. heterotrophs Which option is correct and why?
The correct answer is: perennials.
A
The anterior half of the foot is formed by the five what type of bones?
[ "metatarsal bones", "conidia bones", "conidia bones", "malignancy bones" ]
metatarsal bones
Answer the following multiple-choice question. Question: The anterior half of the foot is formed by the five what type of bones? Options: A. metatarsal bones B. conidia bones C. conidia bones D. malignancy bones Which option is correct and why?
The correct answer is: metatarsal bones.
A
What is the decayed remains of living organisms called?
[ "humus", "oil", "plateaus", "fossils" ]
humus
Answer the following multiple-choice question. Question: What is the decayed remains of living organisms called? Options: A. humus B. oil C. plateaus D. fossils Which option is correct and why?
The correct answer is: humus.
A
When we think of bees, we also think of pollen. This is because bees
[ "sleep in it", "consume it", "sell it", "live in it" ]
consume it
Answer the following multiple-choice question. Question: When we think of bees, we also think of pollen. This is because bees Options: A. sleep in it B. consume it C. sell it D. live in it Which option is correct and why?
The correct answer is: consume it.
B
What is the term for rain consisting of water with a ph below 5?
[ "Hot Rain", "carbon rain", "produce rain", "acid rain" ]
acid rain
Answer the following multiple-choice question. Question: What is the term for rain consisting of water with a ph below 5? Options: A. Hot Rain B. carbon rain C. produce rain D. acid rain Which option is correct and why?
The correct answer is: acid rain.
D
Biotechnology uses what to solve problems?
[ "biology", "ecology", "geology", "psycology" ]
biology
Answer the following multiple-choice question. Question: Biotechnology uses what to solve problems? Options: A. biology B. ecology C. geology D. psycology Which option is correct and why?
The correct answer is: biology.
A
What are the primary producers in the ocean?
[ "phytoplankton", "zooplankton", "algea", "fish" ]
phytoplankton
Answer the following multiple-choice question. Question: What are the primary producers in the ocean? Options: A. phytoplankton B. zooplankton C. algea D. fish Which option is correct and why?
The correct answer is: phytoplankton.
A
What are ionic solutes?
[ "carbohydrates", "electrolytes", "salts", "solvent" ]
electrolytes
Answer the following multiple-choice question. Question: What are ionic solutes? Options: A. carbohydrates B. electrolytes C. salts D. solvent Which option is correct and why?
The correct answer is: electrolytes.
B
macroevolution occurs over what, above the level of the species?
[ "atmosphere", "years", "growth", "outer space", "stress", "Joules", "humans", "eras" ]
eras
Answer the following multiple-choice question. Question: macroevolution occurs over what, above the level of the species? Options: A. atmosphere B. years C. growth D. outer space E. stress F. Joules G. humans H. eras Which option is correct and why?
The correct answer is: eras.
A
What can water cause?
[ "exposure to cold", "The bending of a ray of light", "atmospheric depletion", "pressure differences.", "decreases the freezing point", "negative impact", "wind and erosion", "a lot of human deaths" ]
The bending of a ray of light
Answer the following multiple-choice question. Question: What can water cause? Options: A. exposure to cold B. The bending of a ray of light C. atmospheric depletion D. pressure differences. E. decreases the freezing point F. negative impact G. wind and erosion H. a lot of human deaths Which option is correct and why?
The correct answer is: The bending of a ray of light.
B
Freezing point is best represented by
[ "ice sculpture", "glass of water", "flowing rivers", "water falls" ]
ice sculpture
Answer the following multiple-choice question. Question: Freezing point is best represented by Options: A. ice sculpture B. glass of water C. flowing rivers D. water falls Which option is correct and why?
The correct answer is: ice sculpture.
A
What term refers to the union of a male and female of the same species for reproduction?
[ "life cycle", "evolution", "mating", "behavior" ]
mating
Answer the following multiple-choice question. Question: What term refers to the union of a male and female of the same species for reproduction? Options: A. life cycle B. evolution C. mating D. behavior Which option is correct and why?
The correct answer is: mating.
C
A glass item will do this when power is fed to it.
[ "shirk", "illuminate", "shrink", "die" ]
illuminate
Answer the following multiple-choice question. Question: A glass item will do this when power is fed to it. Options: A. shirk B. illuminate C. shrink D. die Which option is correct and why?
The correct answer is: illuminate.
B
Ethologists study how animals behave in animals'
[ "Summer", "state", "Birds", "life", "seasons", "health", "homes", "fields" ]
homes
Answer the following multiple-choice question. Question: Ethologists study how animals behave in animals' Options: A. Summer B. state C. Birds D. life E. seasons F. health G. homes H. fields Which option is correct and why?
The correct answer is: homes.
A
What are insects?
[ "dogs", "spread flower seeds", "bacteria", "animals", "more abundant", "invertebrates", "honeybees", "worms" ]
invertebrates
Answer the following multiple-choice question. Question: What are insects? Options: A. dogs B. spread flower seeds C. bacteria D. animals E. more abundant F. invertebrates G. honeybees H. worms Which option is correct and why?
The correct answer is: invertebrates.
A
Light is produced when charged particles do what, frequently in the form of oscillating?
[ "decelerate", "accelerate", "offset", "increase" ]
accelerate
Answer the following multiple-choice question. Question: Light is produced when charged particles do what, frequently in the form of oscillating? Options: A. decelerate B. accelerate C. offset D. increase Which option is correct and why?
The correct answer is: accelerate.
B
You can use what to fake sunlight for plants?
[ "love", "a flash light", "breathing", "water" ]
a flash light
Answer the following multiple-choice question. Question: You can use what to fake sunlight for plants? Options: A. love B. a flash light C. breathing D. water Which option is correct and why?
The correct answer is: a flash light.
B
what converts chemical energy into light and heat energy?
[ "Firecrackers", "breathing", "burning fuel", "eating food", "warmth", "condensing fuel", "Green beans", "cigarettes" ]
burning fuel
Answer the following multiple-choice question. Question: what converts chemical energy into light and heat energy? Options: A. Firecrackers B. breathing C. burning fuel D. eating food E. warmth F. condensing fuel G. Green beans H. cigarettes Which option is correct and why?
The correct answer is: burning fuel.
C
What can plants tolerate?
[ "no heat", "sunlight", "less water", "dormant state", "Pollution", "Evaporation", "no sun", "no water" ]
less water
Answer the following multiple-choice question. Question: What can plants tolerate? Options: A. no heat B. sunlight C. less water D. dormant state E. Pollution F. Evaporation G. no sun H. no water Which option is correct and why?
The correct answer is: less water.
C
What is the name of the process that changes some chemical substances into others?
[ "hypodermic reaction", "chemical reaction", "acid reaction", "mixture" ]
chemical reaction
Answer the following multiple-choice question. Question: What is the name of the process that changes some chemical substances into others? Options: A. hypodermic reaction B. chemical reaction C. acid reaction D. mixture Which option is correct and why?
The correct answer is: chemical reaction.
B