1.

What is a proenzyme? Enlist various proenzymes involved in process of digestion and state their function.

Answer»

Proenzymes are synthesized in cells as an inactive precursor that undergo some modification before becoming catalytically active. 

The various proenzymes involved in process of digestion are as follows:

  • Pepsinogen: Pepsinogen when converted into its active form pepsin acts on proteins to form peptones and proteoses. 
  • Trypsinogen: Trypsinogen when converted to it active form trypsin converts proteins, proteoses and peptones to polypeptides. 
  • Chymotrypsinogen: Chymotrypsinogen when converted to active form chymotrypsin it converts polypeptides to dipeptides.


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