During which phase of the cell cycle is the nucleus actually dividing?
a. S
b. Cytokinesis
c. G2
d. Mitosis
e. G1
d
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In island biogeography, larger islands support ______ species than smaller islands.
A. more B. fewer C. larger D. stranger E. smaller
Which of the following drugs acts to block reuptake of neurotransmitters?
a. aspirin b. acetylcholine c. Prozac d. NSAIDS e. nicotine
An advantage of homeothermy is
A) that it requires a low caloric intake. B) that it maximizes allocation of energy to growth. C) that it allows the organism to remain active in a wide range of external temperatures. D) that it allows the organism to tolerate wide fluctuations in body temperature.
A male has a genetic disease coded for on his Y chromosome. This disease has been seen in his family in past generations. Which parent passed on this trait?
A) the mom B) the dad C) either the mom or dad D) neither parent — it is a spontaneous mutation