The testes of a male differ from the ovaries of a female in that the testes
a. develop in the body cavity and migrate to a position outside of the body cavity.
b. require a slightly higher temperature than that of the body to produce viable gametes.
c. produce zygotes.
d. do both a and b.
a
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In designing a drug to inhibit pox viruses, the compound should localize in the host's ________ to be MOST effective
A) nucleus B) endoplasmic reticulum C) cytoplasm D) Golgi complex
Which of the following statements is NOT true of protistan cysts?
A. They may arise from asexual reproduction. B. They may arise from sexual reproduction. C. Their consumption can lead to human health problems. D. They facilitate the spread of pathogens from one host to another. E. They attach to host cells by small hooks.
The mitotic spindle is primarily composed of ____
a. actin b. intermediate filaments c. microtubules d. keratin e. motor proteins
One currently accepted theory suggests that the bodies in the Oort cloud formed
a. near the present orbits of the terrestrial planets and were then ejected by them. b. near the present orbits of the Jovian planets and were then ejected by them. c. right there in the Oort cloud very far from the Sun.