The protein-digesting enzyme secreted by the stomach wall in case of m

The protein-digesting enzyme secreted by the stomach wall in case of mammals is called

chitinase

amylase

pepsin

trypsin

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Answer is Wrong!

This question was previously asked in

UPSC NDA-2 – 2022

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The correct answer is pepsin.

The stomach lining secretes gastric juice containing hydrochloric acid and enzymes. The primary protein-digesting enzyme in the stomach is pepsin. Pepsin is secreted in an inactive precursor form called pepsinogen, which is converted to active pepsin by the acidic environment created by hydrochloric acid.

Amylase (e.g., salivary amylase) digests carbohydrates. Trypsin is a protein-digesting enzyme secreted by the pancreas and active in the small intestine. Chitinase digests chitin, a polysaccharide found in the exoskeletons of insects and fungi.

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