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make an action potential graph showing the 4 steps of an action potential AND what is...

make an action potential graph showing the 4 steps of an action potential AND what is happening to the sodium voltage-gated channels and voltage-gated potassium channels at each step

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Answer #1

Action potential is an explosion of electrical activity that is created by depolarising current.

The Action potential can be divided into :- Resting potential, threshold, rising phase, falling phase and recovery phase.

Stimulus starts the rapid change in voltage or action potential. In patch clamp mode, sufficient current must be administered to the cell in order to raise the volatage above the threshold voltage to start membrane depolarisation.

#Depolarisation is caused by rapid rise in membrane pitential opening of Sodium channel in the cellular membrane, resulting in a large influx of sodium ions.

# Membrane repolarisation results from rapid sodium channel inactivation as well as a large efflux of potassium ion resulting from the activated potassium channel.

# Hyperpolarisation is a lowered membrane potential caused by the efflux of potassium ion and closing of the potassium channel.

# Resting state is when membrane potential returns to the resting voltage that occured before the stimulus occured.

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