Question

Select the correct answer.

Which substance in the stomach breaks down the proteins?
ОА.
bile
OB. gastric acid
OC. peptide
OD.
pepsin
O E.
saliva

Answer 1

pepsin

Step-by-step explanation:

Once a protein source reaches your stomach, hydrochloric acid and enzymes called proteases break it down into smaller chains of amino acids. Amino acids are joined together by peptides, which are broken by proteases. From your stomach, these smaller chains of amino acids move into your small intestine.