DIGESTIVE SYSTEM
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: -Enteropeptidase (enterokinase) is an enzyme secreted from intestinal glands (the crypts of Lieberkuhn) following the entry of ingested food passing from the stomach. It converts trypsinogen (a zymogen) into its active form trypsin, resulting in the subsequent activation of pancreatic digestive enzymes.
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