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Enzyme secreted by the small intestine to digest protein is ____________(a) trypsin(b) chymotrypsin(c) zymogens(d) peptidaseI got this question in an international level competition.My doubt is from Anatomy and Physiology of G.I.T. topic in section Gastroenterology of Clinical Science

Answer» RIGHT choice is (d) peptidase

To EXPLAIN I would say: Peptidase is the last enzyme that is secreted for the DIGESTION of the proteins. Trypsin and chymotrypsin are secreted by the pancreas in their inactive forms called zymogens. When trypsinogen and chymptypsinogen are secreted by the pancreas and they ENTER the duodenum, they get CONVERTED into trypsin and chymotrypsin due to the activation action of enterokinase.


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