Q.

Adherent mucoid alkaline substance covering the inner lining of stomach is to -

A. digest starch
B. act against bacteria
C. prevent the action of pepsin of mucosa
D. prevent viral infection
Answer» C. prevent the action of pepsin of mucosa
Explanation: The continuous adherent mucus layer is also a barrier to luminal pepsin, thereby protecting the underlying mucosa from proteolytic digestion. The primary function of the adherent mucus gel layer is a structural one to create a stable, unstirred layer to support surface neutralization of acid and act as a protective physical barrier against luminal pepsin.
2.4k
0
Do you find this helpful?
11

View all MCQs in

Biology (GK)

Discussion

No comments yet