ANATOMY

GENERAL ANATOMY

DIGESTIVE SYSTEM

Please wait while the activity loads.
If this activity does not load, try refreshing your browser. Also, this page requires javascript. Please visit using a browser with javascript enabled.

If loading fails, click here to try again

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Which enzyme helps break down protein in the stomach?

A	Pepsin
B	Lactase
C	Ptyalin
D	Lipase

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: -Types of Digestive Enzymes Lipase (made in the pancreas; breaks down fats) Protease (made in the pancreas; breaks down proteins)

Detailed explanation-3: -An enzyme made in the stomach that breaks down proteins in food during digestion.

Detailed explanation-4: -Pepsin is active in acidic pH like that in the gastric portion and can hydrolyze several proteins, except for mucins, spongins, conchiolin, keratin, or low molecular weight peptides (Sumner and Somers, 1947 apud Fange and Grove, 1979).

There is 1 question to complete.