A Level Biology Revision (Year 13) "The Action Potential and the All-or-Nothing Principle"
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YouTubeFreesciencelessons
A Level Biology Revision (Year 13) "The Action Potential and the All-or-Nothing Principle"
In this video, we look at the action potential and the all-or-nothing principle. First we explore the events that take place during the action potential. We explore how voltage-gated ion channels operate and how the axon membrane undergoes depolarisation, repolarisation and hyperpolarisation. We then explore what is meant by the all-or-nothing ...
51.3K viewsJan 21, 2024
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