if intracellular microelectrode reads -80 mV and extracellular microelectrode reads +80, what is the absolute value of electric potential across membrane?
80 mV
The absolute value of the electric potential across the membrane can be calculated as the sum of the intracellular potential and the extracellular potential.
Therefore, the absolute value of the electric potential across the membrane in this case would be:
|-80 mV| + |+80 mV| = 80 mV + 80 mV = 160 mV
So the absolute value of the electric potential across the membrane is 160 mV.
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