I summarise the key specification points you need to know to achieve top grades in A-Level Biology. These videos are as part of the A-Level Biology Masterclass series, which allows you to learn any topic in about 10 minutes. This video focuses on the process of action potential propagation, including depolarisation, repolarisation, hyperpolarisation and resting potential for A-Level Biology AQA, OCR Edexcel and WJEC. These videos should complement your own revision and studies.


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