When is the transmission of signal electrical? A. When signal travels along the axon. B. Signal flows from one nerve cell to another. C. never. D. always.
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option C
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Action potential, the electrical signal within nerve cells, is generated by the movement of ions through gated channels.
Both sodium ions and potassium ions move through the membrane during the process. However, the first step in generating action potential is a signal traveling across the synapse from one neuron to another.
What is this signal?
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