Multiple choice

Which of the following groups of chemicals include neuro-transmitters?

  1. Somatostatin, serotonin, acetylcholine

  2. Nor-adrenaline, somatostatin, threonine

  3. Glycine, dopamine, melatonin

  4. Acetylcholine, nor-adrenaline, dopamine

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

Acetylcholine, nor-adrenaline, dopamine are all neurotransmitters.