What is the primary function of peptide hormones in protein metabolism?

A To regulate gene expression
B To stimulate protein synthesis
C To regulate metabolic pathways ✓
D To inhibit protein degradation

Explanation

Peptide hormones play a crucial role in regulating various metabolic pathways, including protein metabolism, by binding to specific receptors and triggering signaling cascades.

Source

Lehninger Principles of Biochemistry
Protein Metabolism Biochemistry Hormonal Regulation Medium MEDICAL Confidence: high