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The passive current flow if a graded potential fades quickly due to resistance is the plasma membrane
Resting membrane potential of a cell
-70
what ion is readily permeable in plasma membrane and follows its concentration gradient until it reaches its equilibrium potential.
K+
what ion is readily impermeable to plasma membranes; only a small fraction of this ion crosses the membrane and takes its charge with it to help establish the resting membrane potential
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These negatively charged compounds are impermeable against plasma membranes. Subsequently, none of these compounds are able to cross the membrane even though there is a tremendous gradient favoring their movement
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