The concentration of potassium ion on either side of the neuronal cell membrane while it is at rest is determined by __________________.
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the averaged interaction of the forces induced by both the concentration gradient and electrostatic pressure; |
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an active transport mechanism called the sodium-potassium pump; |
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an active transport mechanism called the potassium transport gate or channel; |
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both a and b are correct; |
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both a and c are correct; |
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