KROK 1 2009 – Question 194 · KROK (Medicine) · Biological Chemistry

Pharmacological effects of antidepressants are based upon blocking (inhibiting) the enzyme that acts as a catalyst for the breakdown of biogenic amines noradrenalin and serotonin in the mitochondria of cephalic neurons. What enzyme takes part in this process?

  1. A. Lyase
  2. B. Transaminase
  3. C. Peptidase
  4. D. Decarboxylase
  5. E. Monoamine oxidase
Hint

Think about what type of reaction breaks down amine neurotransmitters inside mitochondria, and how blocking that step would raise their level in the nerve terminals.

The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.

Create a free account Log in

More questions on Biological Chemistry