Question

What is the role of hydrochloric acid in protein digestion?

Answer 1

The primary role of Hydrochloric acid is to sterilize the food you eat and to prevent harmful bacteria . HCL also triggers the release of enzymes such as pepsin which are essential for the digestion of protein.

Answer 2

HCL increases the rate of the release of enzymes pepsin which are required for the digestion of protein.
it makes the medium acidic
it kills bacteria