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Which enzyme converts trypsinogen into trypsin?

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Enterokinase activation of trypsinogen is essential for initiating the cascade of digestive enzymes necessary for protein digestion in the small intestine.
Updated On: Nov 26, 2025
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Solution and Explanation

1. Trypsinogen, the inactive zymogen form of trypsin, is essential for protein digestion.
2. Enterokinase (enteropeptidase), produced by duodenal cells, specifically cleaves trypsinogen to activate it into trypsin.

Conclusion: Enterokinase is the enzyme that converts trypsinogen to its active form, trypsin. 

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