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How many amino acids are arranged like "beads on a string" to form proteins?
[ "15", "25", "35", "20" ]
20
Answer the following multiple-choice question. Question: How many amino acids are arranged like "beads on a string" to form proteins? Options: A. 15 B. 25 C. 35 D. 20 Which option is correct and why?
The correct answer is: 20.
D
An area of dirt may have rivets in it depending on
[ "if soil is piled up", "if there is more soil", "if soil has been altered", "if soil has been added" ]
if soil has been altered
Answer the following multiple-choice question. Question: An area of dirt may have rivets in it depending on Options: A. if soil is piled up B. if there is more soil C. if soil has been altered D. if soil has been added Which option is correct and why?
The correct answer is: if soil has been altered.
C
What does ubiquitin indicate about a protein's lifespan?
[ "initiation", "completion", "reaction ratio", "transaction" ]
completion
Answer the following multiple-choice question. Question: What does ubiquitin indicate about a protein's lifespan? Options: A. initiation B. completion C. reaction ratio D. transaction Which option is correct and why?
The correct answer is: completion.
B
heating causes the wind patterns on earth to be what?
[ "evenly distributed", "waves", "equal", "constant", "threatened", "supersonic", "unequal", "Tropical" ]
unequal
Answer the following multiple-choice question. Question: heating causes the wind patterns on earth to be what? Options: A. evenly distributed B. waves C. equal D. constant E. threatened F. supersonic G. unequal H. Tropical Which option is correct and why?
The correct answer is: unequal.
A
Which of these would you use in order to figure out why buildings may have collapsed?
[ "radio", "clock", "seismometer", "pendulum" ]
seismometer
Answer the following multiple-choice question. Question: Which of these would you use in order to figure out why buildings may have collapsed? Options: A. radio B. clock C. seismometer D. pendulum Which option is correct and why?
The correct answer is: seismometer.
C
What unit of pressure is named for the scientist whose discoveries about pressure in fluids led to a law of the same name?
[ "newton", "ohm", "pascal", "joule" ]
pascal
Answer the following multiple-choice question. Question: What unit of pressure is named for the scientist whose discoveries about pressure in fluids led to a law of the same name? Options: A. newton B. ohm C. pascal D. joule Which option is correct and why?
The correct answer is: pascal.
C
What results when birth rates fall even lower than death rates?
[ "negative growth rate", "mutation", "disease", "increased growth rate" ]
negative growth rate
Answer the following multiple-choice question. Question: What results when birth rates fall even lower than death rates? Options: A. negative growth rate B. mutation C. disease D. increased growth rate Which option is correct and why?
The correct answer is: negative growth rate.
A
A greenhouse is used to protect plants from what?
[ "nutrients", "freezing winds", "socializing", "fresh air" ]
freezing winds
Answer the following multiple-choice question. Question: A greenhouse is used to protect plants from what? Options: A. nutrients B. freezing winds C. socializing D. fresh air Which option is correct and why?
The correct answer is: freezing winds.
B
What types of living things are divided into nonvascular and vascular groupings?
[ "organs", "plants", "animals", "mammals" ]
plants
Answer the following multiple-choice question. Question: What types of living things are divided into nonvascular and vascular groupings? Options: A. organs B. plants C. animals D. mammals Which option is correct and why?
The correct answer is: plants.
B
Every chemical reaction occurs with a concurrent change in what?
[ "energy", "hydrogen", "mass", "neutrons" ]
energy
Answer the following multiple-choice question. Question: Every chemical reaction occurs with a concurrent change in what? Options: A. energy B. hydrogen C. mass D. neutrons Which option is correct and why?
The correct answer is: energy.
A
What type of transport is vesicle transport considered to be?
[ "passive transport", "active transport", "catalyst", "intercellular transport" ]
active transport
Answer the following multiple-choice question. Question: What type of transport is vesicle transport considered to be? Options: A. passive transport B. active transport C. catalyst D. intercellular transport Which option is correct and why?
The correct answer is: active transport.
B
what is process is electron transport the final stage of?
[ "Transfers energy", "digest food", "metabolic reaction", "converting mass to energy", "use oxygen, release carbon", "eating carbon", "drinking h2o", "it helps plants in growing" ]
use oxygen, release carbon
Answer the following multiple-choice question. Question: what is process is electron transport the final stage of? Options: A. Transfers energy B. digest food C. metabolic reaction D. converting mass to energy E. use oxygen, release carbon F. eating carbon G. drinking h2o H. it helps plants in growing Which option is correct and why?
The correct answer is: use oxygen, release carbon.
E
What is the pairing of an adult male to an adult female to produce young?
[ "mating", "asexual reproduction", "binary fission", "evolution" ]
mating
Answer the following multiple-choice question. Question: What is the pairing of an adult male to an adult female to produce young? Options: A. mating B. asexual reproduction C. binary fission D. evolution Which option is correct and why?
The correct answer is: mating.
A
The shape of the path of an object undergoing projectile motion in two dimensions is a what?
[ "orbit", "radius", "parabola", "circle" ]
parabola
Answer the following multiple-choice question. Question: The shape of the path of an object undergoing projectile motion in two dimensions is a what? Options: A. orbit B. radius C. parabola D. circle Which option is correct and why?
The correct answer is: parabola.
C
What can be used for communication by animals?
[ "books", "Electrical energy", "electromagnetic energy", "nails", "chemical messengers", "mechanical waves", "encoded information", "ice" ]
mechanical waves
Answer the following multiple-choice question. Question: What can be used for communication by animals? Options: A. books B. Electrical energy C. electromagnetic energy D. nails E. chemical messengers F. mechanical waves G. encoded information H. ice Which option is correct and why?
The correct answer is: mechanical waves.
A
Where are the pharyngeal slits located?
[ "nasal cavity", "pharynx", "larynx", "esophagus" ]
pharynx
Answer the following multiple-choice question. Question: Where are the pharyngeal slits located? Options: A. nasal cavity B. pharynx C. larynx D. esophagus Which option is correct and why?
The correct answer is: pharynx.
B
Angiosperms are also known as what?
[ "dry plants", "flowering plants", "dead plants", "uncommon plants" ]
flowering plants
Answer the following multiple-choice question. Question: Angiosperms are also known as what? Options: A. dry plants B. flowering plants C. dead plants D. uncommon plants Which option is correct and why?
The correct answer is: flowering plants.
B
What term describes the application of knowledge to real-world problems and is practiced by engineers?
[ "invention", "science", "mechanisms", "technology" ]
technology
Answer the following multiple-choice question. Question: What term describes the application of knowledge to real-world problems and is practiced by engineers? Options: A. invention B. science C. mechanisms D. technology Which option is correct and why?
The correct answer is: technology.
D
The common carotid artery gives rise to the external and internal carotid arteries. the external carotid artery remains superficial and gives rise to many arteries of this?
[ "back", "chest", "stomach", "head" ]
head
Answer the following multiple-choice question. Question: The common carotid artery gives rise to the external and internal carotid arteries. the external carotid artery remains superficial and gives rise to many arteries of this? Options: A. back B. chest C. stomach D. head Which option is correct and why?
The correct answer is: head.
D
Ectotherms undergo a variety of changes at the cellular level to acclimatize to shifts in what?
[ "air pressure", "temperature", "oxygen", "precipitation" ]
temperature
Answer the following multiple-choice question. Question: Ectotherms undergo a variety of changes at the cellular level to acclimatize to shifts in what? Options: A. air pressure B. temperature C. oxygen D. precipitation Which option is correct and why?
The correct answer is: temperature.
B
Molecules of DNA are encoded with discrete units of what?
[ "information", "Joules", "proteins", "cell walls", "colors", "Length", "A Greek letter", "Decibels" ]
information
Answer the following multiple-choice question. Question: Molecules of DNA are encoded with discrete units of what? Options: A. information B. Joules C. proteins D. cell walls E. colors F. Length G. A Greek letter H. Decibels Which option is correct and why?
The correct answer is: information.
A
what can animals use a long tail to move through?
[ "beavers", "rain", "bogs", "h2o", "carbon", "H20", "oxygen", "Aves" ]
h2o
Answer the following multiple-choice question. Question: what can animals use a long tail to move through? Options: A. beavers B. rain C. bogs D. h2o E. carbon F. H20 G. oxygen H. Aves Which option is correct and why?
The correct answer is: h2o.
D
What rigid external structure protects shellfish and other animals and provides points of attachment for the muscles that move the appendages?
[ "exoskeleton", "cocoon", "membrane", "claw" ]
exoskeleton
Answer the following multiple-choice question. Question: What rigid external structure protects shellfish and other animals and provides points of attachment for the muscles that move the appendages? Options: A. exoskeleton B. cocoon C. membrane D. claw Which option is correct and why?
The correct answer is: exoskeleton.
A
What forms a ketone when oxidized?
[ "carbolic acid", "secondary alcohol", "aldehyde", "enzyme" ]
secondary alcohol
Answer the following multiple-choice question. Question: What forms a ketone when oxidized? Options: A. carbolic acid B. secondary alcohol C. aldehyde D. enzyme Which option is correct and why?
The correct answer is: secondary alcohol.
B
Earth doing what causes quick-changing weather patterns?
[ "orbiting the sun", "Greenhouse gases", "cycling the moon", "global warming", "soaking up rays", "energy of moving objects", "drifting in space", "Movement" ]
orbiting the sun
Answer the following multiple-choice question. Question: Earth doing what causes quick-changing weather patterns? Options: A. orbiting the sun B. Greenhouse gases C. cycling the moon D. global warming E. soaking up rays F. energy of moving objects G. drifting in space H. Movement Which option is correct and why?
The correct answer is: orbiting the sun.
A
Graduated cylinders are used to measure the volume of the second form of what?
[ "barrel", "rain", "light", "matter", "Water", "speed", "solutes", "sound" ]
matter
Answer the following multiple-choice question. Question: Graduated cylinders are used to measure the volume of the second form of what? Options: A. barrel B. rain C. light D. matter E. Water F. speed G. solutes H. sound Which option is correct and why?
The correct answer is: matter.
D
If a stone is broken down into sand it is
[ "glass", "mechanically weathered", "garden compost", "grits" ]
mechanically weathered
Answer the following multiple-choice question. Question: If a stone is broken down into sand it is Options: A. glass B. mechanically weathered C. garden compost D. grits Which option is correct and why?
The correct answer is: mechanically weathered.
B
Eating something that contains what can kill directly and selectively?
[ "berries", "candy", "pollutants", "Pesticides", "influenza", "humans", "mushrooms", "viruses" ]
pollutants
Answer the following multiple-choice question. Question: Eating something that contains what can kill directly and selectively? Options: A. berries B. candy C. pollutants D. Pesticides E. influenza F. humans G. mushrooms H. viruses Which option is correct and why?
The correct answer is: pollutants.
C
What is caused by less production of thyroid-stimulating hormone?
[ "It decreases", "major threat to health", "energy usage", "sweating", "Localized damage", "Leptospirosis", "hyperthyroidism", "reduced heat" ]
hyperthyroidism
Answer the following multiple-choice question. Question: What is caused by less production of thyroid-stimulating hormone? Options: A. It decreases B. major threat to health C. energy usage D. sweating E. Localized damage F. Leptospirosis G. hyperthyroidism H. reduced heat Which option is correct and why?
The correct answer is: hyperthyroidism.
A
What is the combination of tissues that provides a tough, woody external covering on the stems of trees called?
[ "epidermis", "bark", "cuticle", "scale" ]
bark
Answer the following multiple-choice question. Question: What is the combination of tissues that provides a tough, woody external covering on the stems of trees called? Options: A. epidermis B. bark C. cuticle D. scale Which option is correct and why?
The correct answer is: bark.
B
In binary fission how many times does a cell split?
[ "one", "six", "two", "four" ]
two
Answer the following multiple-choice question. Question: In binary fission how many times does a cell split? Options: A. one B. six C. two D. four Which option is correct and why?
The correct answer is: two.
C
If two balanced objects act on an object in opposite directions, the object will
[ "bent", "behave", "cool off", "friction", "Temperature", "not move", "survive", "run away" ]
not move
Answer the following multiple-choice question. Question: If two balanced objects act on an object in opposite directions, the object will Options: A. bent B. behave C. cool off D. friction E. Temperature F. not move G. survive H. run away Which option is correct and why?
The correct answer is: not move.
A
What do you call the formation of a water vapor pocket?
[ "coagulation", "cavitation", "conduction", "precipitation" ]
cavitation
Answer the following multiple-choice question. Question: What do you call the formation of a water vapor pocket? Options: A. coagulation B. cavitation C. conduction D. precipitation Which option is correct and why?
The correct answer is: cavitation.
B
what process is adulthood categorized under?
[ "the living term", "a plant feeding", "the entertainment circuit", "a chemical reaction" ]
the living term
Answer the following multiple-choice question. Question: what process is adulthood categorized under? Options: A. the living term B. a plant feeding C. the entertainment circuit D. a chemical reaction Which option is correct and why?
The correct answer is: the living term.
A
Life probably began where?
[ "oceans", "the Sun", "rocks", "caves" ]
oceans
Answer the following multiple-choice question. Question: Life probably began where? Options: A. oceans B. the Sun C. rocks D. caves Which option is correct and why?
The correct answer is: oceans.
A
The cytoplasm divides during what stage of the cell cycle?
[ "cytokinesis", "capitis", "birthing", "electrolysis" ]
cytokinesis
Answer the following multiple-choice question. Question: The cytoplasm divides during what stage of the cell cycle? Options: A. cytokinesis B. capitis C. birthing D. electrolysis Which option is correct and why?
The correct answer is: cytokinesis.
A
What is the type of cell division that produces gametes called?
[ "meiosis", "fertilization", "mitosis", "electrolysis" ]
meiosis
Answer the following multiple-choice question. Question: What is the type of cell division that produces gametes called? Options: A. meiosis B. fertilization C. mitosis D. electrolysis Which option is correct and why?
The correct answer is: meiosis.
A
The posterior half of the foot is formed by seven tarsal bones. the most superior of these bones is called?
[ "metatarsal", "calcareous", "patella", "talus" ]
talus
Answer the following multiple-choice question. Question: The posterior half of the foot is formed by seven tarsal bones. the most superior of these bones is called? Options: A. metatarsal B. calcareous C. patella D. talus Which option is correct and why?
The correct answer is: talus.
D
An innate instinct could be
[ "Learning how to drive a car", "a dog drooling when it sees food", "Learning a new language", "Learning how to do a cartwheel" ]
a dog drooling when it sees food
Answer the following multiple-choice question. Question: An innate instinct could be Options: A. Learning how to drive a car B. a dog drooling when it sees food C. Learning a new language D. Learning how to do a cartwheel Which option is correct and why?
The correct answer is: a dog drooling when it sees food.
B
Where does evidence that magnetic reversals occur come from?
[ "Volcanoes", "rocks on ocean floor", "snow", "air" ]
rocks on ocean floor
Answer the following multiple-choice question. Question: Where does evidence that magnetic reversals occur come from? Options: A. Volcanoes B. rocks on ocean floor C. snow D. air Which option is correct and why?
The correct answer is: rocks on ocean floor.
B
what helps cells to lower the blood sugar?
[ "sugar", "candy", "sweating", "blood draws", "Energy", "insulin", "pancreas", "exercise" ]
insulin
Answer the following multiple-choice question. Question: what helps cells to lower the blood sugar? Options: A. sugar B. candy C. sweating D. blood draws E. Energy F. insulin G. pancreas H. exercise Which option is correct and why?
The correct answer is: insulin.
A
What delivers power to the chemical factory chloroplasts?
[ "the sun", "chlorophyll", "oxygen", "water" ]
the sun
Answer the following multiple-choice question. Question: What delivers power to the chemical factory chloroplasts? Options: A. the sun B. chlorophyll C. oxygen D. water Which option is correct and why?
The correct answer is: the sun.
A
what can be heated causing H2O to evaporate and NaCl to remain?
[ "vinegar", "Sun", "heat", "table salt", "energy", "oceans", "Energy.", "freshwater" ]
oceans
Answer the following multiple-choice question. Question: what can be heated causing H2O to evaporate and NaCl to remain? Options: A. vinegar B. Sun C. heat D. table salt E. energy F. oceans G. Energy. H. freshwater Which option is correct and why?
The correct answer is: oceans.
A
If everything in a system stays the same but the pressure deceases, gas bubbles will change in what way?
[ "they get bigger", "they get smaller", "they multiply", "they pop" ]
they get bigger
Answer the following multiple-choice question. Question: If everything in a system stays the same but the pressure deceases, gas bubbles will change in what way? Options: A. they get bigger B. they get smaller C. they multiply D. they pop Which option is correct and why?
The correct answer is: they get bigger.
A
What is the force of attraction that holds together positive and negative ions?
[ "integral bond", "ionic bond", "electron bond", "magnetic bond" ]
ionic bond
Answer the following multiple-choice question. Question: What is the force of attraction that holds together positive and negative ions? Options: A. integral bond B. ionic bond C. electron bond D. magnetic bond Which option is correct and why?
The correct answer is: ionic bond.
B
Sexual signaling molecules released by fungi are known as what?
[ "pheromones", "vibrations", "hormones", "sperm" ]
pheromones
Answer the following multiple-choice question. Question: Sexual signaling molecules released by fungi are known as what? Options: A. pheromones B. vibrations C. hormones D. sperm Which option is correct and why?
The correct answer is: pheromones.
A
Do most substances increase or decrease in size when they change from a liquid to a solid?
[ "it is unable to be measured", "decrease", "increase", "stay the same" ]
decrease
Answer the following multiple-choice question. Question: Do most substances increase or decrease in size when they change from a liquid to a solid? Options: A. it is unable to be measured B. decrease C. increase D. stay the same Which option is correct and why?
The correct answer is: decrease.
B
When hit from behind in a car crash, a passenger can suffer a neck injury called what?
[ "whiplash", "inflammation", "twisted neck", "necklash" ]
whiplash
Answer the following multiple-choice question. Question: When hit from behind in a car crash, a passenger can suffer a neck injury called what? Options: A. whiplash B. inflammation C. twisted neck D. necklash Which option is correct and why?
The correct answer is: whiplash.
A
What has atoms with unstable nuclei?
[ "hydrocarbon", "radioisotope", "radionuclide", "microwaves" ]
radioisotope
Answer the following multiple-choice question. Question: What has atoms with unstable nuclei? Options: A. hydrocarbon B. radioisotope C. radionuclide D. microwaves Which option is correct and why?
The correct answer is: radioisotope.
B
What consists of these five stages: prophase, prometaphase, metaphase, anaphase, and telophase?
[ "germination", "meiosis", "evolution", "mitosis" ]
mitosis
Answer the following multiple-choice question. Question: What consists of these five stages: prophase, prometaphase, metaphase, anaphase, and telophase? Options: A. germination B. meiosis C. evolution D. mitosis Which option is correct and why?
The correct answer is: mitosis.
D
Angiosperms produce their gametes in separate organs, which are usually housed in these?
[ "stems", "seeds", "flowers", "leaves" ]
flowers
Answer the following multiple-choice question. Question: Angiosperms produce their gametes in separate organs, which are usually housed in these? Options: A. stems B. seeds C. flowers D. leaves Which option is correct and why?
The correct answer is: flowers.
C
What is the process in which glucose is made using energy in light called?
[ "photosynthesis", "photogenesis", "glucosynthesis", "gluconeogenesis" ]
photosynthesis
Answer the following multiple-choice question. Question: What is the process in which glucose is made using energy in light called? Options: A. photosynthesis B. photogenesis C. glucosynthesis D. gluconeogenesis Which option is correct and why?
The correct answer is: photosynthesis.
A
Cells are the basic units of the structure and function of what?
[ "water", "mammals", "ice", "tigers", "animals", "humans", "plants", "the Sun" ]
tigers
Answer the following multiple-choice question. Question: Cells are the basic units of the structure and function of what? Options: A. water B. mammals C. ice D. tigers E. animals F. humans G. plants H. the Sun Which option is correct and why?
The correct answer is: tigers.
D
What is a cactus stem used to reserve?
[ "dishwater", "ocean water", "Water", "hydration", "moisture", "cactus fruit", "nutrients", "moist towels" ]
moisture
Answer the following multiple-choice question. Question: What is a cactus stem used to reserve? Options: A. dishwater B. ocean water C. Water D. hydration E. moisture F. cactus fruit G. nutrients H. moist towels Which option is correct and why?
The correct answer is: moisture.
E
What is the tough tissue that contains collagen?
[ "fiber", "membrane", "muscle", "cartilage" ]
cartilage
Answer the following multiple-choice question. Question: What is the tough tissue that contains collagen? Options: A. fiber B. membrane C. muscle D. cartilage Which option is correct and why?
The correct answer is: cartilage.
D
the ultimate aquatic organism has a circulatory system with a how many chambered heart.?
[ "ligt", "moss", "Frog", "tube", "clam", "two", "size", "Aves" ]
two
Answer the following multiple-choice question. Question: the ultimate aquatic organism has a circulatory system with a how many chambered heart.? Options: A. ligt B. moss C. Frog D. tube E. clam F. two G. size H. Aves Which option is correct and why?
The correct answer is: two.
A
What species of female mammal lacks a uterus and vagina?
[ "fallopian tubes", "echidna", "live birth", "lays eggs", "cows", "tortoises", "alpacas", "goats" ]
echidna
Answer the following multiple-choice question. Question: What species of female mammal lacks a uterus and vagina? Options: A. fallopian tubes B. echidna C. live birth D. lays eggs E. cows F. tortoises G. alpacas H. goats Which option is correct and why?
The correct answer is: echidna.
B
When heat flows into an object, its thermal energy increases and so does its what?
[ "color", "matter", "temperature", "speed" ]
temperature
Answer the following multiple-choice question. Question: When heat flows into an object, its thermal energy increases and so does its what? Options: A. color B. matter C. temperature D. speed Which option is correct and why?
The correct answer is: temperature.
C
When rocks break down, what do they make?
[ "fossil fuels", "sediment", "disintegrate", "soft soil", "calcite", "body water", "hills and valleys", "rupture" ]
sediment
Answer the following multiple-choice question. Question: When rocks break down, what do they make? Options: A. fossil fuels B. sediment C. disintegrate D. soft soil E. calcite F. body water G. hills and valleys H. rupture Which option is correct and why?
The correct answer is: sediment.
B
What term in physics refers to the use of force to move an object?
[ "velocity", "momentum", "mass", "work" ]
work
Answer the following multiple-choice question. Question: What term in physics refers to the use of force to move an object? Options: A. velocity B. momentum C. mass D. work Which option is correct and why?
The correct answer is: work.
D
What has a negative impact on an organism?
[ "cancer", "moderate weather", "fire", "HIV", "Herpes", "kindness", "rabies", "shade" ]
fire
Answer the following multiple-choice question. Question: What has a negative impact on an organism? Options: A. cancer B. moderate weather C. fire D. HIV E. Herpes F. kindness G. rabies H. shade Which option is correct and why?
The correct answer is: fire.
C
if a person eats a fruit, it is possible it was once which of these?
[ "none of these", "it was a reproduction structure", "it was a stone", "it was a root" ]
it was a reproduction structure
Answer the following multiple-choice question. Question: if a person eats a fruit, it is possible it was once which of these? Options: A. none of these B. it was a reproduction structure C. it was a stone D. it was a root Which option is correct and why?
The correct answer is: it was a reproduction structure.
B
Nuclear power plants produce electricity through what?
[ "intense fission", "High Fission", "induced fission", "severe fission" ]
induced fission
Answer the following multiple-choice question. Question: Nuclear power plants produce electricity through what? Options: A. intense fission B. High Fission C. induced fission D. severe fission Which option is correct and why?
The correct answer is: induced fission.
C
An animal living where will be protected from an elemental part of the ecosystem?
[ "on a tree", "in the air", "Under 32 degrees", "The atmosphere", "patch reefs", "food and shelter", "above ground", "underground" ]
underground
Answer the following multiple-choice question. Question: An animal living where will be protected from an elemental part of the ecosystem? Options: A. on a tree B. in the air C. Under 32 degrees D. The atmosphere E. patch reefs F. food and shelter G. above ground H. underground Which option is correct and why?
The correct answer is: underground.
A
Which of the animals digest cellulose with the aid of methanogens?
[ "apes", "pigs", "goats", "cows" ]
cows
Answer the following multiple-choice question. Question: Which of the animals digest cellulose with the aid of methanogens? Options: A. apes B. pigs C. goats D. cows Which option is correct and why?
The correct answer is: cows.
D
Flagella help what move?
[ "graptolites", "bacteria", "fish", "fungi", "allow growth", "Most plants", "organelles", "nuclei" ]
bacteria
Answer the following multiple-choice question. Question: Flagella help what move? Options: A. graptolites B. bacteria C. fish D. fungi E. allow growth F. Most plants G. organelles H. nuclei Which option is correct and why?
The correct answer is: bacteria.
B
What do some organisms need to reproduce?
[ "food", "pants", "fun", "faith", "birds", "sugar", "Energy", "Mitosis" ]
birds
Answer the following multiple-choice question. Question: What do some organisms need to reproduce? Options: A. food B. pants C. fun D. faith E. birds F. sugar G. Energy H. Mitosis Which option is correct and why?
The correct answer is: birds.
E
Prokaryotic organisms, like bacteria, reproduce through what process, where they grow and divide in half?
[ "singular fission", "binary fission", "multiple fission", "symbiotic fission" ]
binary fission
Answer the following multiple-choice question. Question: Prokaryotic organisms, like bacteria, reproduce through what process, where they grow and divide in half? Options: A. singular fission B. binary fission C. multiple fission D. symbiotic fission Which option is correct and why?
The correct answer is: binary fission.
B
An incandescent light bulb requires a filament to
[ "emit illumination", "emit radiation", "convert mechanical energy", "convert chemical energy" ]
emit illumination
Answer the following multiple-choice question. Question: An incandescent light bulb requires a filament to Options: A. emit illumination B. emit radiation C. convert mechanical energy D. convert chemical energy Which option is correct and why?
The correct answer is: emit illumination.
A
A person who is trying something out for the first time that will have unpredictable reactions will
[ "want zero protection", "want safety goggles", "want naked skin", "want bare hands" ]
want safety goggles
Answer the following multiple-choice question. Question: A person who is trying something out for the first time that will have unpredictable reactions will Options: A. want zero protection B. want safety goggles C. want naked skin D. want bare hands Which option is correct and why?
The correct answer is: want safety goggles.
B
Because trees add water vapor to air, cutting down forests leads to longer periods of what?
[ "ice", "drought", "harvest", "flooding" ]
drought
Answer the following multiple-choice question. Question: Because trees add water vapor to air, cutting down forests leads to longer periods of what? Options: A. ice B. drought C. harvest D. flooding Which option is correct and why?
The correct answer is: drought.
B
in order for a person's burger to make it successfully into the toilet, which of these must be functional?
[ "the respiratory system", "the digestive system", "the circulatory system", "the destructive system" ]
the digestive system
Answer the following multiple-choice question. Question: in order for a person's burger to make it successfully into the toilet, which of these must be functional? Options: A. the respiratory system B. the digestive system C. the circulatory system D. the destructive system Which option is correct and why?
The correct answer is: the digestive system.
B
What is public transportation used to transport large amounts of?
[ "animals", "energy", "people", "air", "boxes", "organisms", "athletes", "coal" ]
people
Answer the following multiple-choice question. Question: What is public transportation used to transport large amounts of? Options: A. animals B. energy C. people D. air E. boxes F. organisms G. athletes H. coal Which option is correct and why?
The correct answer is: people.
C
As the Earth rotates around a star, the world may
[ "freeze solid", "become miniature", "explode", "enjoy various seasons" ]
enjoy various seasons
Answer the following multiple-choice question. Question: As the Earth rotates around a star, the world may Options: A. freeze solid B. become miniature C. explode D. enjoy various seasons Which option is correct and why?
The correct answer is: enjoy various seasons.
D
What entity does the earth orbit that causes the seasons to change?
[ "mercury", "venus", "pluto", "plasma star" ]
plasma star
Answer the following multiple-choice question. Question: What entity does the earth orbit that causes the seasons to change? Options: A. mercury B. venus C. pluto D. plasma star Which option is correct and why?
The correct answer is: plasma star.
D
What do plants do to prevent water loss at night?
[ "open their petals", "close their leaves", "close their stems", "shed their petals" ]
close their leaves
Answer the following multiple-choice question. Question: What do plants do to prevent water loss at night? Options: A. open their petals B. close their leaves C. close their stems D. shed their petals Which option is correct and why?
The correct answer is: close their leaves.
B
More sunlight will be absorbed by
[ "a plant with curled leaves", "a tree with wide, smooth leaves", "a rose with tiny leaves", "a berry bush with thin, short leaves" ]
a tree with wide, smooth leaves
Answer the following multiple-choice question. Question: More sunlight will be absorbed by Options: A. a plant with curled leaves B. a tree with wide, smooth leaves C. a rose with tiny leaves D. a berry bush with thin, short leaves Which option is correct and why?
The correct answer is: a tree with wide, smooth leaves.
B
What adds phosphate groups to receptor proteins at the surface of the cell?
[ "brain kinases", "nitrogen kinases", "receptor kinases", "protein kinases" ]
receptor kinases
Answer the following multiple-choice question. Question: What adds phosphate groups to receptor proteins at the surface of the cell? Options: A. brain kinases B. nitrogen kinases C. receptor kinases D. protein kinases Which option is correct and why?
The correct answer is: receptor kinases.
C
A clean air act must be followed by a
[ "web design course", "hard drive manufacturer", "math class", "computer programming course" ]
hard drive manufacturer
Answer the following multiple-choice question. Question: A clean air act must be followed by a Options: A. web design course B. hard drive manufacturer C. math class D. computer programming course Which option is correct and why?
The correct answer is: hard drive manufacturer.
B
How are weather patterns formed?
[ "uneven heating of the atmosphere", "the moon's gravitational pull", "carbon dioxide", "pollution from planes" ]
uneven heating of the atmosphere
Answer the following multiple-choice question. Question: How are weather patterns formed? Options: A. uneven heating of the atmosphere B. the moon's gravitational pull C. carbon dioxide D. pollution from planes Which option is correct and why?
The correct answer is: uneven heating of the atmosphere.
A
What bonds result from the overlap of atomic orbitals?
[ "covalents", "valent", "metallic", "hydrogen" ]
covalents
Answer the following multiple-choice question. Question: What bonds result from the overlap of atomic orbitals? Options: A. covalents B. valent C. metallic D. hydrogen Which option is correct and why?
The correct answer is: covalents.
A
Carbon dioxide is an example of a material that easily undergoes what?
[ "spontaneous mutation", "sublimation", "amplification", "decomposition" ]
sublimation
Answer the following multiple-choice question. Question: Carbon dioxide is an example of a material that easily undergoes what? Options: A. spontaneous mutation B. sublimation C. amplification D. decomposition Which option is correct and why?
The correct answer is: sublimation.
B
What mineral is used to produce glass?
[ "quartz", "feldspar", "lead", "pyrite" ]
quartz
Answer the following multiple-choice question. Question: What mineral is used to produce glass? Options: A. quartz B. feldspar C. lead D. pyrite Which option is correct and why?
The correct answer is: quartz.
A
The appendicular skeleton includes all bones of the upper and lower limbs, plus the bones that attach each limb to the what?
[ "dynamic skeleton", "compressed skeleton", "axial skeleton", "literal skeleton" ]
axial skeleton
Answer the following multiple-choice question. Question: The appendicular skeleton includes all bones of the upper and lower limbs, plus the bones that attach each limb to the what? Options: A. dynamic skeleton B. compressed skeleton C. axial skeleton D. literal skeleton Which option is correct and why?
The correct answer is: axial skeleton.
C
What is one way sediment can form?
[ "It expands", "rainfall", "calcite", "bottom of feet", "Water expanding", "Exfoliation", "chemical changes", "swamp vegetation" ]
Exfoliation
Answer the following multiple-choice question. Question: What is one way sediment can form? Options: A. It expands B. rainfall C. calcite D. bottom of feet E. Water expanding F. Exfoliation G. chemical changes H. swamp vegetation Which option is correct and why?
The correct answer is: Exfoliation.
A
If a person restores a garden complete with oaks, then they have replaced
[ "concrete", "jelly", "steam", "a resource" ]
a resource
Answer the following multiple-choice question. Question: If a person restores a garden complete with oaks, then they have replaced Options: A. concrete B. jelly C. steam D. a resource Which option is correct and why?
The correct answer is: a resource.
D
Normal blood is comprised of nearly half erythrocytes, which is another word for what cells?
[ "white blood cells", "monocytes", "plateletes", "red blood cells" ]
red blood cells
Answer the following multiple-choice question. Question: Normal blood is comprised of nearly half erythrocytes, which is another word for what cells? Options: A. white blood cells B. monocytes C. plateletes D. red blood cells Which option is correct and why?
The correct answer is: red blood cells.
D
What is the term for a fold that arches upward?
[ "tailplane", "anticline", "tailslide", "underlain" ]
anticline
Answer the following multiple-choice question. Question: What is the term for a fold that arches upward? Options: A. tailplane B. anticline C. tailslide D. underlain Which option is correct and why?
The correct answer is: anticline.
B
Protists are the simplest of what?
[ "plants", "eukaryotes", "prokaryotes", "fungi" ]
eukaryotes
Answer the following multiple-choice question. Question: Protists are the simplest of what? Options: A. plants B. eukaryotes C. prokaryotes D. fungi Which option is correct and why?
The correct answer is: eukaryotes.
B
Lymphocytes are a key cell involved in what type of reaction?
[ "Final Symphonic movement", "illness", "positive", "fever", "allergic", "autologous transplant", "allogenic stem cell transplant", "sweating" ]
allergic
Answer the following multiple-choice question. Question: Lymphocytes are a key cell involved in what type of reaction? Options: A. Final Symphonic movement B. illness C. positive D. fever E. allergic F. autologous transplant G. allogenic stem cell transplant H. sweating Which option is correct and why?
The correct answer is: allergic.
E
Growth occurring where forms vascular tissues and bark?
[ "The bending of a ray of light", "in photosynthesis", "Most plants", "in growing formations", "in lateral meristems", "peachleaf willow", "in root systems", "in the autumn season" ]
in lateral meristems
Answer the following multiple-choice question. Question: Growth occurring where forms vascular tissues and bark? Options: A. The bending of a ray of light B. in photosynthesis C. Most plants D. in growing formations E. in lateral meristems F. peachleaf willow G. in root systems H. in the autumn season Which option is correct and why?
The correct answer is: in lateral meristems.
E
What are different forms of the same gene?
[ "alleles", "genomes", "nuerons", "peptides" ]
alleles
Answer the following multiple-choice question. Question: What are different forms of the same gene? Options: A. alleles B. genomes C. nuerons D. peptides Which option is correct and why?
The correct answer is: alleles.
A
What type of direction does a phase change depend on?
[ "power transfer", "weight transfer", "humidity transfer", "heat transfer" ]
heat transfer
Answer the following multiple-choice question. Question: What type of direction does a phase change depend on? Options: A. power transfer B. weight transfer C. humidity transfer D. heat transfer Which option is correct and why?
The correct answer is: heat transfer.
D
What consists of all the biotic and abiotic factors in an area and their interactions?
[ "community", "ecosystem", "habitat", "macroevolution" ]
ecosystem
Answer the following multiple-choice question. Question: What consists of all the biotic and abiotic factors in an area and their interactions? Options: A. community B. ecosystem C. habitat D. macroevolution Which option is correct and why?
The correct answer is: ecosystem.
B
Adding salt to liquid decreases what?
[ "light", "energy", "magnetism", "thawing temp" ]
thawing temp
Answer the following multiple-choice question. Question: Adding salt to liquid decreases what? Options: A. light B. energy C. magnetism D. thawing temp Which option is correct and why?
The correct answer is: thawing temp.
D
What is most likely to set the woods alight?
[ "lightning bugs", "a flood", "a storm", "hot red peppers" ]
a storm
Answer the following multiple-choice question. Question: What is most likely to set the woods alight? Options: A. lightning bugs B. a flood C. a storm D. hot red peppers Which option is correct and why?
The correct answer is: a storm.
C
What term indicates moles per liter, whereas molality is moles per kilogram of solvent?
[ "pollenation", "kilocalorie", "abundance", "molarity" ]
molarity
Answer the following multiple-choice question. Question: What term indicates moles per liter, whereas molality is moles per kilogram of solvent? Options: A. pollenation B. kilocalorie C. abundance D. molarity Which option is correct and why?
The correct answer is: molarity.
D
What is the science of classifying the many organisms on earth called?
[ "general classification", "taxonomy", "methodology", "terminology" ]
taxonomy
Answer the following multiple-choice question. Question: What is the science of classifying the many organisms on earth called? Options: A. general classification B. taxonomy C. methodology D. terminology Which option is correct and why?
The correct answer is: taxonomy.
B
What can release mercury into the atmosphere?
[ "smoking tobacco", "hydrogen and oxygen", "flow of electrons", "cigarettes", "chemical reaction", "an engine", "generating heat", "one celled organisms" ]
generating heat
Answer the following multiple-choice question. Question: What can release mercury into the atmosphere? Options: A. smoking tobacco B. hydrogen and oxygen C. flow of electrons D. cigarettes E. chemical reaction F. an engine G. generating heat H. one celled organisms Which option is correct and why?
The correct answer is: generating heat.
A
What percentage of men suffer from some form of erectile dysfunction by age 40?
[ "approximately 40 percent", "approximately 10 percent", "approximately 60 percent", "approximately 80 percent" ]
approximately 40 percent
Answer the following multiple-choice question. Question: What percentage of men suffer from some form of erectile dysfunction by age 40? Options: A. approximately 40 percent B. approximately 10 percent C. approximately 60 percent D. approximately 80 percent Which option is correct and why?
The correct answer is: approximately 40 percent.
A