If this cell were permeable only to K+, what would be the effect of reducing the extracellular K concentration from 5 to 2.5 millimolar? Intracellular (mM) Extracellular (mM) 140 K+ 5 K+ 12 Na+ 145 Na+ 5 CI- 125 CI- 0.0001 Ca++ 5 Ca++
19 millivolts depolarization 19 millivolts hyperpolarization 38 millivolts depolarization 38 millivolts hyperpolarization