Which of the following plants would have a seed?
a) angiosperm
b) gymnosperm
c) nonvascular plant
d) both gymnosperm and angiosperm
Answer: d) both gymnosperm and angiosperm
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Organisms whose sole source of carbon for growth is CO2 are called ________.
A. autotrophs B. consumers C. saprophytes D. lithotrophs E. decomposers
This process is common to all living cells:
A. Glycolysis B. Alcohol fermentation C. The Krebs cycle D. Electron transport chain reactions E. Pyruvate oxidation
Noncompetitive inhibition of enzymes occurs
A. when a cofactor, instead of a reactant, binds to the enzyme active site. B. when the product, instead of the reactant, of a reaction binds to the active site. C. by blocking the production of an enzyme. D. when a substance binds to an enzyme at a site away from the active site. E. when a substance other than the substrate binds at the active site of an enzyme.
The population of American bison used to number in the millions. Hunting and other problems greatly decreased the number of bison to about 1,000. Today, the numbers are recovering to estimates of more than 200,000 bison. This crash in the population of bison and recent recovery is an example of ______
A. gene flow B. genetic drift C. the bottleneck effect D. the founder effect