Question

Write the role of HCL in digestion

Answer 1

Answer:

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.

Explanation:

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Answer 2

Answer:

Activates pepsin enzyme

Explanation:

• Carbohydrates are digested into maltose in the mouth and protein digestion begins in the stomach.  
• In the stomach, food undergoes chemical as well as physical digestion.
• Due to the peristaltic action of the muscles the bolus breaks up in the stomach wall and mixes well into a chyme. ( Physical digestion )
• Several secretions flow into the stomach.
• It is collectively known as gastric juice.
• Also the juice contains pepsin and HCL acid.
• Here, the enzyme pepsin acts on the proteins in the food and forms polypeptides, which are intermediate products of life. ( Chemical digestion )

• And  the function of the HCL acid  is to stimulate pepsin enzyme and make it active