3 years ago

Learning objective: 12.08.05 describe the initiation and propagation of depolarization and repolarization.

1 answer:

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Depolarization is initiated when there is an influx of sodium inside the cell as opposed to repolarization, where potassium exits the cell (occurring after Na+ gates close). Remember that for every 3 Na+ in, there is 2 K+ out. This imbalance helps to stabilize the membrane.

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