choices
sequence | answer
class label 4
classes | question
stringlengths 10
411
|
|---|---|---|
[
"bb 脳 bb",
"Bb 脳 Bb",
"Bb 脳 bb",
"BB 脳 Bb"
] | 1B
| Both of the guinea pigs have white coats. Three quarters of the offspring have black coats, and one quarter have white coats. The genotypes of the parents were least likely |
[
"Divergent evolution",
"Convergent evolution",
"Parallel evolution",
"Coevolution"
] | 3D
| The stationary back-and-forth evolution of closely related species, which is exemplified by predator-prey relationships. |
[
"bacteria",
"mammalian muscle cells",
"mammalian nerve cells",
"plants and fungi"
] | 0A
| In the process of generating ATP, hydrogen ions (H+, or protons) are transported across the inner mitochondrial membrane and the thylakoid membrane by a proton pump (an ATPase). You would expect to find similar proton pumps in the plasma membranes of |
[
"It allows the farmer to plant the crops with the greatest demand in the marketplace.",
"It increases crop yields and soil fertility and minimizes pathogen infection and pest infestation.",
"It allows the hybridization of successive crops and the development of newer varieties of crop plants.",
"It decreases the need for diverse harvesting equipment and minimizes production costs."
] | 1B
| Crop rotation is the successive planting of the same crop on different land in a single season. |
[
"Cytosine : Adenine",
"Pyrimidine : Purine",
"Adenine : Guanine",
"Guanine : Deoxyribose"
] | 1B
| The base composition of DNA varies from one species to another. |
[
"It is created by the direct action of natural selection.",
"It arises in response to changes in the environment.",
"It must be present in a population before natural selection can act upon the population.",
"It tends to be reduced by the processes involved when diploid organisms produce gametes."
] | 2C
| Some gene changes are necessary for survival. |
[
"glomerulus",
"proximal convoluted tubule",
"loop of Henle",
"collecting duct"
] | 1B
| The primary site of glucose reabsorption is the |
[
"Adaptations beneficial in one habitat should generally be beneficial in all other habitats as well.",
"Different species that occupy the same habitat will adapt to that habitat by undergoing the same genetic changes.",
"Adaptations beneficial at one time should generally be beneficial during all other times as well.",
"Well-adapted individuals leave more offspring, and thus contribute more to the next generation's gene pool, than do poorly adapted individuals."
] | 3D
| Natural selection does not occur in groups of organisms. |
[
"Glycolysis",
"Chemiosmosis",
"Fermentation",
"Calvin cycle"
] | 1B
| This process couples the consumption of glucose with the movement of electrons down the electron transport chain by generating a driving force created by a proton gradient. |
[
"Water moves from the potato into the surrounding water.",
"Water moves from the surrounding water into the potato.",
"Potato cells plasmolyze.",
"Solutes in the water move into the potato."
] | 1B
| The potato causes the water to float to the top. |