KROK 1 2023 – Question 93 · KROK (Medicine) · Biological Chemistry
What biogenic amine normalizes circadian rhythms?
- A. Histamine
- B. Dopamine
- C. Melatonin
- D. Noradrenaline
- E. Adrenaline
Hint
Consider which of the listed amines is made by an endocrine gland with a rhythm that depends on light and darkness, and which are neurotransmitters or stress hormones.
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