HEAD NECK
PHARYNX LARYNX 47
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What enzyme breaks down proteins when it is activated by hydrochloric acid?
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Pepsin
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Peptin
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Pepto
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Protein
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Explanation:
Detailed explanation-1: -Pepsin is a stomach enzyme that serves to digest proteins found in ingested food. Gastric chief cells secrete pepsin as an inactive zymogen called pepsinogen. Parietal cells within the stomach lining secrete hydrochloric acid that lowers the pH of the stomach. A low pH (1.5 to 2) activates pepsin.
Detailed explanation-2: -Protease (made in the pancreas; breaks down proteins)
Detailed explanation-3: -Pepsin is a type of protease, which is an enzyme that catalyzes the hydrolysis of proteins into smaller subunits. Pepsin breaks down proteins into shorter polypeptide chains that will be further broken down in the small intestine into single amino acids.
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