When a catecholamine or peptide hormone binds to receptors on the surface of a cell, the
A) cell becomes inactive.
B) hormone is transported to the nucleus where it alters the activity of DNA.
C) hormone receptor complex moves into the cytoplasm.
D) cell membrane becomes depolarized.
E) second messenger appears in the cytoplasm.

Question

Quizplus · Accepted Answer

When a catecholamine or peptide hormone binds to a cell surface receptor, it typically triggers a signaling cascade that results in the production of a second messenger inside the cytoplasm, which then mediates the cellular response.

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