Positive feedback in depolarization occurs when the influx of sodium ions makes the membrane more positive, which in turn causes more voltage-gated sodium channels to open, leading to a rapid and substantial depolarization needed for an action potential.
Positive feedback in depolarization occurs when the influx of sodium ions makes the membrane more positive, which in turn causes more voltage-gated sodium channels to open, leading to a rapid and substantial depolarization needed for an action potential.
| Front | Explain the role of positive feedback in the depolarisation stage of action potential. |
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| Back | Role of positive feedback:
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