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Digestion and Absorption — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYDigestion and Absorption2 Marks
Question
How our gut lining is protected from its own secretion of proteases?
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Answer

Gut lining is protected from its own secretion of proteases as:
  1. Proteases are secreted in its inactive form called proenzymes so, that they do not act on gut lining.
  2. Gut secretes mucus which thereby inactivates the proteases and protects the gut lining.

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