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Assertion: Action potentials are the electrical signals that travel down an axon.
Reason: Action potentials are initiated when the membrane potential of the neuron reaches a certain threshold.
Assertion and reason are both true, and reason is an accurate account of assertion.
Both assertion and reason are accurate, but reason does not adequately explain assertion.
The assertion is correct, but the reasoning is incorrect.
Both the assertion and reason are incorrect.
Answers (1)
Both the assertion and reason are true. Action potentials are the electrical signals that travel down an axon and are responsible for transmitting signals from the neuron to other cells. Action potentials are initiated when the membrane potential of the neuron reaches a certain threshold, which is usually around -55 mV. When this threshold is reached, voltage-gated ion channels in the neuron's membrane open, allowing ions to flow in and out of the cell and generating the action potential.
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