Ions move in and out of the cell through selective channels, creating a resting membrane potential maintained by sodium-potassium pumps.
Ions movement in and out of the cell: Ions move in and out of the cell through selective channels and are influenced by concentration gradients. Potassium and sodium channels: Potassium ions diffuse out of the cell faster than sodium ions leak in, creating a negative charge inside the cell. Resting membrane potential maintenance: Sodium-potassium pumps help maintain the resting potential by bringing in potassium ions and removing sodium ions.
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