| Which of the following events is involve in the transfer of information across a chemical synapse? |
| [A] Neurotransmitters bind to the postsynaptic receptors. |
| [B] Calcium channels open in the presynaptic |
| [C] Ion channels open in the postsynaptic membrane. |
| [D] Direct flow of ions from one neuron to the next. |
A) [A] and [B] only
B) [A], [B] and [C] only
C) [B], [C] and [D] only
D) All of these
Correct Answer: B
Solution :
[b] Ions flow directly between cells in an electrical synapse. No chemical intermediary is involved in an electrical synapse.
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