The role of HCl in digestion is
A)to break down protein to amino acids.
B)to unravel proteins so they can be digested by proteases.
C)to increase pH to promote digestion.
D)All of these are functions of HCl.

Question

Quizplus · Accepted Answer

HCl's primary role in digestion is to unravel proteins so they can be more easily digested by proteases. It does not break down protein to amino acids, and it actually decreases pH rather than increasing it. Therefore, option B is the most appropriate choice.

The Role of HCl in Digestion Is