Permeability of the cell, Predict equilibrium potentials E | Homework Help

11.     Consider a squid axon bathed in seawater under artificial conditions, and the following on 

concentrations: [K]i = 400 mM and [K]o = 10 mM, [Na]in = 50 mM, [Na]o = 460 mM.

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Predict equilibrium potentials EK and ENa at a temperature of 13oC. Assuming that the Na permeability of the cell membrane is 1/50 that of the K permeability, predict the resting potential, Em, assuming that Cl is in equilibrium.

 

 

13     Adjacent to the neuron is a glial cell, which has no sodium channels in the plasma membrane.

Predict its resting potential, using the ion concentrations provided in Problem 11.

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