At the peak of the action potential, Vm is approximately -65 mV. Assuming normal intracellular and extracellular K+ concentrations (refer to the table),
(1) calculate the driving force (in mV) that acts on K+ ions
and
(2) use the information obtained in part 1 to determine the direction in which K+ ions will flow (i.e., into the cell or out of cell)
Extracted text: EXTRACELLULAR INTRACELLULAR ION CONCENTRATION CONCENTRATION (mM) (mM) K* 4 140 Na* 145 15 Cl- 110 4 Ca?- 0.0001
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