24. Which of the following is NOT used as a major neurotransmitter in animals?
(A) Glutamate
(B) Acetylcholine
(C) Lysine
(D) Nitric oxide
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統計: A(0), B(1), C(1), D(0), E(0) #3477344
統計: A(0), B(1), C(1), D(0), E(0) #3477344