Question

Describe the process of digestion of proteins in the stomach.

Answer 1

The digestion of proteins begins in the stomach. The gastric juice is secreted by the gastric glands, present in the walls of the stomach. The gastric juice contains hydrochloric acid, pepsinogen, mucus, and rennin. Hydrochloric acid helps in conversion of pepsinogen to pepsin. The pepsin converts proteins into proteases and peptides. The mucus helps in the digestion of the food and converting the food into chyme and protects stomach wall from acid. Rennin is a proteolytic enzyme which plays an important role in the coagulation of milk.