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When a Catecholamine or Peptide Hormone Binds to Receptors on the Surface

Question 42

Multiple Choice

When a catecholamine or peptide hormone binds to receptors on the surface of a cell,


A) the cell membrane becomes less permeable.
B) a second messenger appears in the cytoplasm.
C) the cell becomes inactive.
D) the hormone is transported to the nucleus where it alters the activity of DNA.
E) None of the answers are correct.

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