Biology A-Level
repolarisation
What repolarisation means in Biology A-Level, as defined for AQA.
Definition of repolarisation
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Reference: AQA
The membrane repolarising when the sodium ion channels close at the peak and voltage-gated potassium ion channels open, so potassium ions diffuse out.
Topics that use repolarisation
- Nerve impulses (A-level only) (AQA A-Level)
Related terms
- absolute refractory period
- axon and dendrites
- depolarisation
- differential membrane permeability
- local currents
- maximum impulse frequency
- myelin sheath
- nodes of Ranvier
Using repolarisation in the exam
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