Attachment of animal viruses to the host cell may be by means of
A. a tail.
B. the envelope.
C. a capsid.
D. spikes.
D
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This animal has spicules, digests its food in
collar cells, and is a hermaphrodite. This animal is ___.This animal has spicules, digests its food in collar cells, and is a hermaphrodite. This animal is ___.
a. a sea anemone b. a sponge c. an earthworm d. a clam e. more than one of these
Tetracyclines interfere with ____
a. DNA replication b. initiation of transcription c. initiation of translation d. the process of protein folding e. transport of proteins to the Golgi complex
The enzyme that facilitates a reaction adding a phosphate group to a three-carbon sugar while removing a hydrogen would most likely be named
A. triose phosphate dehydrogenase. B. phosphoglyceromutase. C. pyruvate kinase. D. phosphofructokinase.
Which of the following hormones is mismatched with its function?
A. GnRH-stimulates the anterior pituitary B. FSH-stimulates the hypothalamus C. LH-controls the production of testosterone D. Inhibin-blocks GnRH and FSH secretion E. Testosterone-brings about male secondary sexual characteristics