E_K_ vs E_rest_

E_K_ vs E_rest_ - only K E K(the K equilibrium potential...

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1) Na-K ATPase is needed to form Na & K concentration gradients. 2) Leak channels then create resting potential by allowing ions to flow. 3) After E rest is established, ATPase is typically not involved in membrane potential changes. leak channels resting potential E rest
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Unformatted text preview: only K + E K (the K equilibrium potential) described by the Nernst eq for K, regardless of the values of [K] o & [K] i K + & Na + some value between E K & E Na – in this case, the resting potential is not described by the Nernst equation for a single ion....
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