★ Microbiology Quiz
This organelle is the rigid protective structure and support in the plant cell.
A. cell wall
B. cell membrane
C. cytoplasm
D. vacuole
Select your answer:
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Advanced Stretching SM2 › ViewA muscle that opposes movement at a joint is called a what?
A. Antagonist
B. Agonist
Population Genetics › View
A large population of a particular animal has been allowed to breed randomly for a number of generations. After several generations, 16% of the animals display a recessive trait. What proportion of the population is probably heterozygous for this trait?
A. 0.72
B. 0.36
C. 0.48
D. 0.6