A neuron with an intracellular Cl concentration of 20 mM is placed in a solution that contains 125 mM CI at 25°C. The membrane potential of the neuron is -70 mV. Assuming the neuronal cell membrane has channels that allow facilitated diffusion of Cl', do you expect Cl' to flow into the cell? Explain your answer

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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7. A neuron with an intracellular Cl concentration of 20 mM is placed in a solution that contains 125 mM CI
at 25°C. The membrane potential of the neuron is -70 mV. Assuming the neuronal cell membrane has
channels that allow facilitated diffusion of Clr, do you expect Cl to flow into the cell? Explain your answer
and provide quantitative support for your answer (i.e. show calculations).
Transcribed Image Text:7. A neuron with an intracellular Cl concentration of 20 mM is placed in a solution that contains 125 mM CI at 25°C. The membrane potential of the neuron is -70 mV. Assuming the neuronal cell membrane has channels that allow facilitated diffusion of Clr, do you expect Cl to flow into the cell? Explain your answer and provide quantitative support for your answer (i.e. show calculations).
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