Up-regulation of receptors
A) Results in increased sensitivity to its ligand.
B) Results in decreased sensitivity to its ligand.
C) Occurs when a ligand has been present at high levels.
D) Both B and C
Answer: A
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Fill in the blank(s) with the appropriate word(s).
The prefix an- means _____. Select one:
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During the absolute refractory period which of the following is true?
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Which is not correct regarding growth hormone (GH)?
A. GH is also known as somatotropin. B. GH is a tropic hormone. C. GH stimulates the kidney to secrete somatomedin. D. GH affects most body cells. E. GH stimulates cell growth and mitosis.