Dr. Brainy creates a nerve cell that is only permeable to Caesium ions (Cs+1) at rest. She measures that the concentration of Caesium is 400mM outside the cell and only 50 mM inside the cell. She calculates the Equilibrium potential for Cs+1 (Ecs) to be +35 mV. If the cell is only permeable to Cs, the resting membrane potential will be: +58 mV 0 mV +35 mV -58 mV

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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Dr. Brainy creates a nerve cell that is only permeable to Caesium ions (Cs+1) at rest.
She measures that the concentration of Caesium is 400mM outside the cell and only 50
mM inside the cell. She calculates the Equilibrium potential for Cs+1 (Ecs) to be +35 mV.
If the cell is only permeable to Cs, the resting membrane potential will be:
+58 mV
0 mV
+35 mV
-58 mV
Transcribed Image Text:Dr. Brainy creates a nerve cell that is only permeable to Caesium ions (Cs+1) at rest. She measures that the concentration of Caesium is 400mM outside the cell and only 50 mM inside the cell. She calculates the Equilibrium potential for Cs+1 (Ecs) to be +35 mV. If the cell is only permeable to Cs, the resting membrane potential will be: +58 mV 0 mV +35 mV -58 mV
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