GENERAL HISTOLOGY

OESOPHAGUS STOMACH

BODY OF STOMACH

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
An inactive enzyme secreted by the chief cells
A
Pepsinogen
B
Pepsin
C
Hydrochloric acid
D
Amylase
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.

Detailed explanation-2: -Pepsinogen is the zymogen, or inactive precursor, of pepsin, the principal proteolytic enzyme of gastric juice.

Detailed explanation-3: -Pepsin’s proenzyme, pepsinogen, is released by the gastric chief cells in the stomach wall, and upon mixing with the hydrochloric acid of the gastric juice, pepsinogen activates to become pepsin.

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