Viral tissue specificities are called ________.
A. ranges
B. virions
C. uncoating
D. tropisms
E. receptacles
Answer: D
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Which of the following is a major function of the ovaries?
A. They manufacture the sex hormones, estrogen and progesterone. B. They comprise the canal through which babies are delivered. C. They are the organs directly responsible for a woman's orgasm. D. They hold and nourish the developing fetus.
How many enzymes are involved in glycolysis of glucose to pyruvate?
A) 3 B) 6 C) 8 D) 10 E) 12
Contraction of the diaphragm causes
A. a person to exhale. B. the size of the chest cavity to increase. C. air to flow from the lungs to the outside. D. compression of the lungs.
“Chlorochromatium aggregatum” is a symbiosis between a green sulfur bacterium and a
a. purple sulfur bacterium. b. betaproteobacterium. c. plant. d. fungus.