The enzyme pepsin is produced in the stomach lining initially as a _____, which requires _____ for activation in the stomach.
A) kinase; phosphorylation
B) zymogen; irreversible proteolytic cleavage
C) proprotein; reversible proteolytic cleavage
D) zymogen; ubiquitination
E) phosphorylase; irreversible proteolytic cleavage

Question

Quizplus · Accepted Answer

Pepsin is initially produced in the stomach lining as a zymogen called pepsinogen. Pepsinogen requires irreversible proteolytic cleavage to become activated into its active form, pepsin.

The Enzyme Pepsin Is Produced in the Stomach Lining Initially