An Enzyme Secreted by the Gastric Mucosa of a Newborn

Question

An enzyme secreted by the gastric mucosa of a newborn that coagulates milk proteins is
A) pepsin.
B) trypsin.
C) gastrin.
D) rennin.
E) cholecystokinin.

Accepted Answer

The enzyme secreted by the gastric mucosa of a newborn that coagulates milk proteins is rennin. Rennin works on the milk protein casein, breaking it down into smaller peptides and helping to form a curd in the stomach.