Examlex
A birthdate is an example of a(n) ________ age.
Repolarization
The process of restoring the resting negative charge inside the cell membrane after depolarization, crucial for the propagation of electrical signals in nerve and muscle cells.
Action Potential
A rapid change in the electrical charge across a cell membrane that results in a nerve or muscle cell firing.
Positive Feedback Cycle
A process where the end products of an action cause more of that action to occur in a feedback loop, amplifying the original action.
Sodium-Potassium Exchange Pump
A membrane-bound enzyme complex that pumps sodium out of cells while pumping potassium into cells, crucial for maintaining cellular concentration and electrical gradients.
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