Multiple choice

Curdling of milk in the stomach is due to the action of

  1. pepsin

  2. rennin

  3. HCl

  4. renin

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Rennin, protease found in rennet. It is produced by newborn ruminant animals in the lining of the fourth stomach to curdle the milk they ingest, allowing a longer residence in the bowels and better absorption. It is widely used in the production of cheese.