) Describe the role of Hydrochloric acid in stomach?
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Hydrochloric acid contributes to protein digestion by supplying H+ which activates pepsinogen, the precursor to pepsin. Pepsinogen is secreted by chief cells in the gastric glands of the body and antrum of the stomach.
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Explanation:
Hydrochloric acid makes the environment in the stomach acidic, kills the microbes in the stomach which enter with the food and provides a desired acidic medium so that the enzyme pepsin can act on the food.
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