Biology A level: Passage of an action potential along an unmyelinated axon (3)

Question

Passage of an action potential along an unmyelinated axon (3)

Eva K 3sq0 · Accepted Answer

- Localised electrical currents established by influx of S ions cause opening of S voltage-gated channels further along axon
- The resulting influx of S ions in this region causes depolarisation

Biology A level

Passage of an action potential along an unmyelinated axon (3)

- Localised electrical currents established by influx of S ions cause opening of S voltage-gated channels further along axon - The resulting influx of S ions in this region causes depolarisation

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