The second- messenger mechanism of hormone action operates by .
A) binding to specific receptors and employing the services of G proteins and cAMP
B) synthesizing more than one hormone at a time
C) increasing the basal metabolic rate in the target organ
D) altering gene expression in the nuclear DNA

Question

Quizplus · Accepted Answer

The second-messenger mechanism involves hormones binding to receptors on the cell surface, activating G proteins, which then increase levels of cAMP, a second messenger that mediates cellular responses.

The Second- Messenger Mechanism of Hormone Action Operates by