Which statement is true about peptide hormones?
A) Peptide hormones all have the same basic 4-carbon ring structure.
B) Peptide hormones bind to receptors in the cell cytoplasm.
C) Peptide hormones initiate the formation of cyclic AMP inside the cell.
D) The minority of hormones produced in the body are peptide hormones.
E) Peptide hormones usually require a first, second and third messenger.

Question

Quizplus · Accepted Answer

Peptide hormones initiate the formation of cyclic AMP inside the cell through activation of adenylate cyclase. This leads to the activation of protein kinase A and subsequent effects on cellular metabolism. Choices A, B, D, and E are all false statements about peptide hormones.

Which Statement Is True About Peptide Hormones