Question

Explain the digestion of protein in human digestive system.

Answer 1

Answer :

i) Protein digestion occurs in the stomach and duodenum.

ii) In which three main enzymes, pepsin secreted by the stomach and trypsin and chymotrypsin secreted by the pancreas.

iii) These enzymes break down food proteins into polypeptides that are then broken down by various exopeptidases and polypeptides into amino acids.
iv) Then finally amino acids are absorbed into the bloodstream through the small intestine.