Permeability of the cell, Predict equilibrium potentials E

Permeability of the cell

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Reference no: EM1381831

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.

Predict equilibrium potentials E_K and E_Na at a temperature of 13^oC. Assuming that the Na permeability of the cell membrane is 1/50 that of the K permeability, predict the resting potential, E_m, 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.

Reference no: EM1381831

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