Protein Digestion Begins in the Stomach but is Completed in the Small

Question

Protein digestion begins in the stomach but is completed in the small intestine.

Accepted Answer

Protein digestion begins in the stomach with the help of an enzyme called pepsin. However, it is completed in the small intestine with the help of pancreatic enzymes, such as trypsin and chymotrypsin, and brush border enzymes, such as peptidases.