Which one of the following enzymes helps in the digestion of milk proteins in infants?
A
Pepsin
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B
Chymotrypsin
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C
Rennin
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D
Lactase
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Solution
The correct option is C Rennin Rennin is a proteolytic enzyme found in gastric juice of infants which helps in the digestion of milk proteins.
Pepsin converts proteins into proteoses and peptones (peptides).
Chymotrypsin is a digestive enzyme synthesized in the pancreas which plays an essential role in proteolysis or the breakdown of proteins and polypeptides.
Lactase digests lactose(sugar) of milk (not protein).