Examlex
Deviations from __________ indicate that a population is evolving.
Voltage-Gated Channels
Protein channels in cell membranes that open or close in response to changes in electrical potential, allowing ions to pass in and out of the cell.
Repolarization
The process by which cells, particularly nerve and muscle cells, restore their membrane potential to a resting state after depolarization.
All-Or-None Response
A principle that states that nerve or muscle fibers respond to stimuli at their threshold with a complete response or not at all.
Stimulus
Anything that can invoke a physiological response or reaction from an organism or a cell.
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