At rest, potassium ions exhibit very low current because the tendency for potassium to flow across the cell membrane because of a concentration gradient is opposed by

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The movement of potassium ions across the cell membrane at rest is primarily opposed by the electrical gradient. While there is a concentration gradient that drives potassium ions out of the cell, the inside of the cell is negatively charged relative to the outside, which opposes the outward movement of positively charged potassium ions.

At Rest, Potassium Ions Exhibit Very Low Current Because the Tendency