MEDICAL
PANCREAS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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All of the following is true of enterokinase except ____
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it is a hormone
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it is an enzyme
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it is secreted by the small intestine
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it turns trypsinogen into trypsin
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Explanation:
Detailed explanation-1: -enterokinase, also called Enteropeptidase, proteolytic enzyme (q.v.), secreted from the duodenal mucosa, that changes the inactive pancreatic secretion trypsinogen into trypsin, one of the enzymes that digest proteins.
Detailed explanation-2: -Enterokinase is a protease of the intestinal brush border that specifically cleaves the acidic propeptide from trypsinogen to yield active trypsin. This cleavage initiates a cascade of proteolytic reactions leading to the activation of many pancreatic zymogens.
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