MEDICAL
RECTUM AND ANUS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Pepsin and hydrochloric acid
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Saliva and bile
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Bile and hydrochloric acid
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Amyase and hydrochloric acid
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Detailed explanation-1: -Hydrochloric acid (HCl), another component of the gastric juice, plays a crucial role in creating the pH required for pepsin activity. Parietal cells produce HCl by secreting hydrogen and chloride ions. When pepsinogen and hydrochloric acid exist together in the gastric juice, pepsin takes its active form.
Detailed explanation-2: -The gastric juice has pepsin, lipase, and rennin. Renin is an enzyme that helps in digesting only milk proteins to peptides. Pepsin digests other proteins in the food to smaller peptides fragments.
Detailed explanation-3: -HCl activates pepsinogen to convert it to pepsin once it is outside the cell. Pepsin is released by the chief cells and is responsible for breaking down proteins into peptides. This activation sets up a chain reaction that produces more pepsin allowing for better protein digestion.