The chief cells of the stomach produce the zymogen:
Correct answer: B. Pepsinogen
- A. Pepsin
- B. Pepsinogen
- C. Trypsin
- D. Trypsinogen
Explanation
A zymogen, also known as a proenzyme, is a protein that shows no catalytic activity but is converted into an active enzyme by a biochemical change such as cleavage of a specific part of it. The zymogen secreted by the chief cells of the stomach is pepsinogen. Pepsinogen is activated by hydrochloric acid (HCl) and is converted to pepsin.
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About Digestion
The human digestive system covers the organs from mouth to anus, the movement of food, and the mechanical and chemical breakdown of carbohydrates, proteins and fats. It also includes the roles of digestive enzymes, bile, absorption through intestinal villi, and the assimilation of nutrients by body cells.
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