You are recording from a cell with a resting membrane potential of -65 mV. You inject 100 pA of current, resulting 58.7 mV. What is the value of tau? With this in mind, wha is the capacitance of the cell? Please provide relevant equations to illustrate your thought process.

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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You are recording from a cell with a resting
membrane potential of -65 mV. You inject 100
pA of current, resulting 58.7 mV.
What is the value of tau? With this in mind, what
is the capacitance of the cell? Please provide
relevant equations to illustrate your thought
process.
When you terminate the current injection, how
long do you expect for it to take for the cell to
repolarize to -63 mV?
Transcribed Image Text:You are recording from a cell with a resting membrane potential of -65 mV. You inject 100 pA of current, resulting 58.7 mV. What is the value of tau? With this in mind, what is the capacitance of the cell? Please provide relevant equations to illustrate your thought process. When you terminate the current injection, how long do you expect for it to take for the cell to repolarize to -63 mV?
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