試題詳解

43. Which of following is NOT true?
(A)Amino acid neurotransmitters are active in the vertebrate CNS and PNS.
(B)Binding of GABA to receptors in postsynaptic cells increases membrane permeability to potassium.
(C)The biogenic amine serotonin made from tryptophan.
(D)In the PNS, CO acts as an inhibitory neurotransmitter that hyperpolarized the plasma membrane of intestinal smooth muscle cells.
(E)In the CNS, the amino acid glutamate is the most common neurotransmitter.