本题目来源于试卷: SL/HL Topic C2.2 Neural signalling，类别为 IB生物学
[问答题]
5. Outline three reasons why an action potential can only pass in one di1o4 kq5un.yx;z98uo exj z0fuu(av2 srection fq (uxyuzsn azou2u50 e81o.j; 94xvkymc,p,:ee ;bh across a :eh, ,yce;p bmsynapse
参考答案: The neurotransmitter is only synthesised in the pre-synaptic neurone endings.
Vesicles of transmitter substance are only released from the pre-synaptic membrane.
Receptor sites are only present in the post-synaptic membrane.
The entry of ions (occurs at both sides of a synapse) but has a different effect at the pre-synaptic neurone than the post-synaptic membrane.
本题详细解析:
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