How Are Small Amounts of Hormones Amplified

Multiple Choice

How are small amounts of hormones amplified?

A) One cAMP molecule stimulates one cAMP-dependent protein kinase A molecule,which activates many molecules of phosphorylase kinase.
B) One cAMP molecule triggers the production of more hormone.
C) One cAMP molecule stimulates several cAMP-dependent protein kinase A molecules,which activates many molecules of phosphorylase kinase.
D) Signal transduction cascades are dependent upon second messenger signaling only in rare cases and only when the hormone in question is a steroid.