The Role of Calcium Ions (Ca²⁺) in Synaptic Transmission Is

question 53

Multiple Choice

The role of calcium ions (Ca²⁺) in synaptic transmission is to

• A)bind neurotransmitter molecules to the postsynaptic membrane.
• B)mediate the release of neurotransmitter molecules from the presynaptic neuron.
• C)repolarize the postsynaptic cell after transmission has been completed.
• D)increase the activity of the sodium-potassium pumps in the presynaptic cell.

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