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Exocytosis of Neurotransmitter into the Synaptic Cleft Is Triggered by an Influx

Question 85

Multiple Choice

Exocytosis of neurotransmitter into the synaptic cleft is triggered by an influx of ______ in response to the arrival of an action potential in the axon terminal.


A) K+
B) Na+
C) Ca2+
D) ATP
E) Cl-

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