Question

In protein digestion, what happens in the stomach?

a) Proteins are broken down into amino acids
b) Proteins are broken down into peptides
c) Proteins are absorbed directly into the bloodstream
d) Proteins are converted into glycogen

Answer 1

Proteins are broken down into smaller polypeptides by the enzyme pepsin and HCl in the stomach during protein digestion.

Step-by-step explanation:

The digestion of proteins begins in the stomach. In the stomach, proteins are broken down into smaller polypeptides by the action of the enzyme pepsin and hydrochloric acid (HCl). This is the first step in the process of protein digestion.