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Unformatted text preview: electricity Action potential is a brief change in voltage across the membrane of the axon This is an active process it takes energy There’s more K+ inside the nerve cell than the outside Potential is just a synonym for voltage The bigger the concentration gradient the bigger the potential Voltage depends on the log of the concentration ratio You don’t need many ions moving to generate these voltages...
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- Spring '09
- Neurobiology, Chemical synapse, brain Synapse