Gastric juice contains hydrochloric acid (HCl), which activates pepsinogen to pepsin. What is the role of pepsin in protein digestion?
Q1. Gastric juice contains hydrochloric acid (HCl), which activates pepsinogen to pepsin. What is the role of pepsin in protein digestion?
Answer: Breaking down proteins into smaller peptides
Explanation: Pepsin breaks proteins into smaller peptides; other enzymes complete breakdown to amino acids.