At the beginning of interphase in G1, a cell has 36 chromosomes. How many chromosomes would be found in that same cell in G2 of interphase?
a. 36
b. 18
c. 72
d. 64
e. 44
A
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A plant cell with 64 available ATP molecules could split how many N2 molecules with the assistance of nitrogenase?
A. 2 B. 4 C. 16 D. 32 E. 64
Indifferent gonads are
A) the gonads of people who have no interest in having sex. B) paired structures in the embryo that can develop as either testes or ovaries. C) paired structures in the embryo that follow a male developmental program and a female pathway in the same person at the same time. D) the gonads that develop when a person uses birth control.
A behavioral pattern can be triggered by a(n):
a. circadian rhythm. b. environmental stimulus. c. positive reinforcement. d. psychological stimulus. e. sign stimulus.
If an animal ignores a stimulus that is continuously present, we say that the animal has
A. instinctively blocked out the stimulus. B. imprinted on a different stimulus. C. habituated to the stimulus. D. None of these answers is true.