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Describe how an action potential is generated across the axon. Make sure to explain the role...

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Medical Sciences

Describe how an action potential is generated across the axon.Make sure to explain the role of Na+ and K+ channels and pump inthis process.

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Action potentials are produced by voltagegated ion channels in the plasma membraneThese channels are inactive when the membrane potential is near the negative resting potential of the cell but they suddenly begin to open if the membrane potential increases to a level of threshold voltage depolarising the transmembrane potential As the membrane potential is increased sodium ion channels open allowing the influx of sodium ions into the cell This is followed by the opening of potassium    See Answer
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