Question

Pepsin is an enzyme that is secreted into the stomach during digestion.
Which of the following is MOST LIKELY the main function of this enzyme?
A.
to speed up the rate at which proteins are digested

B.
to reduce the amount of energy that is lost as heat during digestion

C.
to control the movement of materials through the digestive tract

D.
to protect proteins from being denatured by stomach acids

Answers

GPT-4o mini
The main function of pepsin is:

A. to speed up the rate at which proteins are digested.

Pepsin is a proteolytic enzyme that breaks down proteins into smaller peptides in the acidic environment of the stomach, facilitating the digestion process.