Multiple Choice
Neurotransmitters being released by a presynaptic neuron into the synapse are due to,____.
A) the neuron being in a refractory period
B) a large concentration of Na+ ions outside of the presynaptic axon
C) a high concentration of negative ions inside the neuron
D) action potentials that have occurred in the presynaptic neuron
Correct Answer:
Verified
Correct Answer:
Verified
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