Phase | Name of Phase | gNa or gKhigher? | V-gated Na+ channel state (open, opening, closing, closed,inactivated) | V-gated K+ channel state (open, opening, closing, closed,inactivated) |
1 | Resting Potential | ? | ? | ? |
2 | Threshold | ? | ? | ? |
3 | Rising Phase | ? | ? | ? |
4 | Falling Phase | ? | ? | ? |
5 | Undershoot | ? | ? | ? |
2. Does resting membrane potential and equilibrium potential ofsodium both change during an action potential?
3. How is the action potential affected with a defect in theNa+/K+ pump and a deleterious mutation in the leak channels?
