Which of the following is the largest in size?
A) mature sperm cell
B) mature egg cell
C) polar body
D) they are all approximately the same size
Answer: B) mature egg cell
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The function of the dartos and cremaster muscles is to
A. attach the penis to the body wall. B. produce erections. C. regulate the temperature of the testes. D. help the testes descend into the scrotum prior to birth. E. move sperm along the ductus deferens.
Which cells would you expect to increase in number during an infection of the CNS?
A. Oligodendrocytes B. Astrocytes C. Microglia D. Ependymal cells E. Schwann cells
Which of the following cytoskeleton components are responsible for the movement of chromosomes during cell division?
A) thick filaments B) microfilaments C) microtubules D) intermediate filaments E) All of the answers are correct.
The conscious awareness of a sensation is called
A) reception. B) perception. C) proprioception. D) adaptation. E) desensitization.