Multiple choice

Which of these is a zymogen?

  1. Pepsin

  2. Trypsin

  3. Chymotrypsin

  4. Chymotrypsinogen

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

A zymogen is an inactive precursor of an enzyme. Chymotrypsinogen is the inactive form that is converted into the active enzyme chymotrypsin.