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kolbaska11 [484]
3 years ago
12

Describe the chemical changes a neuron goes through when a nerve impulse is generated

Biology
1 answer:
amid [387]3 years ago
3 0

Explanation:

<em>A nerve impulse </em>is a result of a difference in electrical charges across the plasma membrane of a neuron, this difference comes from ions which are electrically charged atoms or molecules.

Before the nerve impulse happens there's a resting potential in the neuron ready to transmit the impulse, this resting potential happens thanks to the sodium-potassium pump that uses ATP to pump Na+ out of the cell and K+ into it, resulting in the inside of a neuron negatively charged.

When a nerve impulse happens (thanks to the receiving of a chemical signal from another cell) a sudden reversal of the electrical charge of a resting neuron occurs, the inside of the neuron becomes positive when the gates in sodium channels open allowing positive sodium ions to flow back into the cell.

I hope you find this information useful! Good luck!

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