The virus structure indicated by the arrow labeled A is the



Use the labeled arrows to answer questions related to these five viruses.

A. genetic material, DNA or RNA.

B. the bacteriophage.

C. the bacterial membrane.

D. the lipid-rich envelope.

E. the protein coat, or capsid.


A. genetic material, DNA or RNA.

Biology & Microbiology

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Approximately how many ATP molecules are hydrolyzed and resynthesized each second in a typical cell?

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What plant growth regulator(s) inhibits growth of the plant, and opposes the action of the growth-promoting regulators?

a. gibberellins b. ethylene c. abscisic acid d. cytokinins e. auxins

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In an ectopic pregnancy, implantation occurs

a. in the oviduct. b. on the outside of the uterus. c. on the abdominal wall. d. on the surface of the ovary. e. anywhere outside the uterus.

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Nerve signals from taste buds go primarily to the ________, while those for olfactory cells go primarily to the ________.

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Biology & Microbiology