試題詳解

58. The steps below refer to various stages in transmission at a chemical synapse: 1. The synaptic vesicles release neurotransmitter into the synaptic cleft. 2. The ligand-gated ion channels open. 3. An action potential depolarizes the membrane of the axon terminal. 4. Calcium ions rush into neuron's cytoplasm. 5. Neurotransmitter binds with receptors associated with the postsynaptic membrane. Which sequence of events is CORRECT?
(A) 1 → 2 → 3 → 4 → 5
(B) 3 → 4 → 1 → 5 → 2
(C) 3 → 1 → 5 → 4 → 2
(D) 4 → 3 → 1 → 2 → 5
(E) 5 → 1 → 2 → 4 → 3