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The main step in digestion of …

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The main step in digestion of protein as the food passes through different parts of alimentary canal?
  • 2 answers

Yogita Ingle 4 years, 4 months ago

The proenzyme pepsinogen; in stomach; gets converted into the active enzyme pepsin; on exposure to hydrochloric acid. Pepsin converts proteins into proteoses and peptones (peptides).

Pepsinogen + HCl → Pepsin + Protein → Proteose + Peptone

Proteins, proteoses and peptones are acted upon by the proteolytic enzymes of pancreatic juices (in small intestine); as given below:

Proteins/Peptonse/Proteoses + Trypsin/Chymotrypsin/Carboxypeptidases → Dipeptides

The enzymes in the intestinal juice act on dipeptides to make amino acids.

Dipeptides + Dipeptidases → Amino acids

Gaurav Seth 4 years, 4 months ago

The proenzyme pepsinogen; in stomach; gets converted into the active enzyme pepsin; on exposure to hydrochloric acid. Pepsin converts proteins into proteoses and peptones (peptides).

Pepsinogen + HCl → Pepsin + Protein → Proteose + Peptone

Proteins, proteoses and peptones are acted upon by the proteolytic enzymes of pancreatic juices (in small intestine); as given below:

Proteins/Peptonse/Proteoses + Trypsin/Chymotrypsin/Carboxypeptidases → Dipeptides

The enzymes in the intestinal juice act on dipeptides to make amino acids.

Dipeptides + Dipeptidases → Amino acids

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