The protein-digesting enzyme secreted by the stomach wall in case of mammals is called
- A. chitinase
- B. amylase
- C. pepsin ✓
- D. trypsin
Correct Answer: C. pepsin
Explanation
Pepsin is the primary protein-digesting enzyme in the stomach. It is secreted as an inactive zymogen called pepsinogen, which is activated by stomach acid.
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