Question

multiple choice question what is pepsin? an acid in the stomach that breaks down fats a nutrient in foods that is released in the stomach an enzyme in the stomach that breaks down proteins need help? review these concept resources. read about the concept rate your confidence to submit your answer

Explanation:

Pepsin is a digestive enzyme secreted in the stomach (as pepsinogen, activated by stomach acid) whose primary function is to break down proteins into smaller peptides. The other options are incorrect: stomach acid (hydrochloric acid) is not pepsin, pepsin is not a nutrient, and it does not break down fats.

Answer:

an enzyme in the stomach that breaks down proteins