The action of nonsteroid hormones often results in conversion of ATP to cyclic AMP, which then functions
A) as an internal receptor for steroid hormones.
B) as an enzyme in the generation of ATP.
C) to initiate a cascade of enzyme activations.
D) to stimulate the release of the original hormone from the cell surface receptor.
E) as a secondary hormone released into the bloodstream.

Question

Quizplus · Accepted Answer

Cyclic AMP (cAMP) acts as a second messenger that initiates a cascade of enzyme activations within the cell, amplifying the signal of the nonsteroid hormone.

The Action of Nonsteroid Hormones Often Results in Conversion of ATP