Which of the following represents the first step in neuron-to-neuron communicati
ID: 38905 • Letter: W
Question
Which of the following represents the first step in neuron-to-neuron communication across a chemical synapse in which the post-synaptic cell has ionotropic receptors?
The opening of voltage-gated Ca2+ channels in the pre-synaptic terminal
The closing of voltage-gated Ca2+ channels in the post-synaptic cell
The opening of chemical-gated Na+ channels in the post-synaptic cell
The closing of chemical-gated Na+ channels in the pre-synaptic terminal
The opening of voltage-gated Ca2+ channels in the pre-synaptic terminal
The closing of voltage-gated Ca2+ channels in the post-synaptic cell
The opening of chemical-gated Na+ channels in the post-synaptic cell
The closing of chemical-gated Na+ channels in the pre-synaptic terminal
Explanation / Answer
The opening of voltage-gated Ca2+ channels in the pre-synaptic terminal
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