What two enzymes catalyze the breakdown of catecholamines?
A) acetylcholinesterase and dopa decarboxylase
B) dopa decarboxylase and phenylethanolamine N methyltransferase
C) monoamine oxidase and phenylethanolamine N methyltransferase
D) catechol -O -methyltransferase and acetylcholinesterase
E) monoamine oxidase and catechol -O -methyltransferase

Question

Quizplus · Accepted Answer

Monoamine oxidase (MAO) and catechol-O-methyltransferase (COMT) are the two enzymes responsible for the breakdown of catecholamines, such as dopamine, norepinephrine, and epinephrine.

What Two Enzymes Catalyze the Breakdown of Catecholamines