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Separately, draw a table using arrows to depict the appropriate magnitude and direction of the forces and ion fluxes at different membrane potentials for a ligand-gated channel that is equally permeable to both ion X+ and ion Y+.   The equilibrium potential for ion X+ is -60 mV, and the equilibrium potential for ion Y+ is -20 mV.   Which item best represents the forces and fluxes for a membrane potential of +40 mV?

Separately, draw a table using arrows to depict the appropriate magnitude and direction of the forces and ion fluxes at different membrane potentials for a ligand-gated channel that is equally permeable to both ion X+ and ion Y+.   The equilibrium potential for ion X+ is -60 mV, and the equilibrium potential for ion Y+ is -20 mV.   Which item best represents the forces and fluxes for a membrane potential of +40 mV?

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Separately, draw a table using arrows to depict the appropriate magnitude and direction of the forces and ion fluxes at different membrane potentials for a ligand-gated channel that is equally permeable to both ion X+ and ion Y+.   The equilibrium potential for ion X+ is -60 mV, and the equilibrium potential for ion Y+ is -20 mV.  

Which item best represents the forces and fluxes for a membrane potential of +40 mV?

+40 mV +40 mV +40 mV +40 mV FE ↑ FE FE FE X+ Fc X+ Fc X+ Fc X+ Fc flux FE Y+ flux FE Fc flux flux Y+ Fc FE ↑ Y+ FE Fc flux ↑ Y+ Fc flux ↑ ↑ flux flux ↑
Transcribed Image Text:+40 mV +40 mV +40 mV +40 mV FE ↑ FE FE FE X+ Fc X+ Fc X+ Fc X+ Fc flux FE Y+ flux FE Fc flux flux Y+ Fc FE ↑ Y+ FE Fc flux ↑ Y+ Fc flux ↑ ↑ flux flux ↑
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