Q454
Pepsin is an enzyme that digests ________ .
A.
Proteins
AnswerB.
Starch
C.
Carbohydrate
D.
Fats
Answer: Option A
Solution
Answer: Option A
Solution:
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.