How does hydrochloric acid help in facilitating the action of pepsin?

Question

(A) Hydrochloric acid creates a basic medium which facilitates the action of the enzyme pepsin. (B) Hydrochloric acid creates an acidic medium which facilitates the action of the enzyme pepsin. (C) Hydrochloric acid helps break down pepsin. (D) Hydrochloric acid creates an alkaline medium which facilitates the action of the enzyme pepsin.

Jitender Kashyap · Accepted Answer

(B) Hydrochloric acid creates an acidic medium which facilitates the action of the enzyme pepsin.