_________ is an example for rapidly acting neurotransmitter?
Correct answer: D. Glycine
- A. Somatostatin
- B. Calcitonin
- C. Substance P
- D. Glycine
Explanation
Glycine is a rapidly acting inhibitory neurotransmitter that opens chloride channels through ionotropic receptors. Somatostatin, calcitonin and substance P generally act through slower peptide-receptor mechanisms.
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