Question

explain the digestion of protein in humans

Answer 1

Explanation:

Proteins are defined as large molecules composed of one or more chains of amino acids. ... Pepsin acts on protein molecules by breaking the peptide bonds that hold the molecules together. Digestion of protein is completed in the small intestine by the pancreatic enzymes trypsin, chymotrypsin, and carboxypeptidase.

Answer 2

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Digestion of protein in humans:

➱Digestion of proteins starts in stomach and is completed in intestine.

➱The pepsin is the most important proteolytic enzyme present in stomach.

➱It is secreted in inactive pepsinogen form which is activated on exposure to gastric acid.

➱Pepsin breaks proteins into smaller proteoses and peptones.

➱The peptones, proteoses are acted upon by trypsin, chymotrypsin and carboxypeptidase present in pancreatic juice.

➱The action of these enzymes breaks peptones and proteoses into dipeptides

➱In intestinal juice is present aminopeptidase which finally release amino acids from dipeptides, thus finishing the digestion of proteins.

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