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(III) During an action potential, Na* ions move into the cell at a rate of about 3 × 10-7 mol/m² - s. How much power must be produced by the "active Na* pumping" system to produce this flow against a +30-mV potential difference? Assume that the axon is 10 cm long and 20 µm in diameter.

(III) During an action potential, Na* ions move into the cell at a rate of about 3 × 10-7 mol/m² - s. How much power must be produced by the "active Na* pumping" system to produce this flow against a +30-mV potential difference? Assume that the axon is 10 cm long and 20 µm in diameter.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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(III) During an action potential, Na* ions move into the cell at a rate of about 3 × 10-7 mol/m² - s. How much power must be produced by the "active Na* pumping" system to produce this flow against a +30-mV potential difference? Assume that the axon is 10 cm long and 20 µm in diameter.
Transcribed Image Text:(III) During an action potential, Na* ions move into the cell at a rate of about 3 × 10-7 mol/m² - s. How much power must be produced by the "active Na* pumping" system to produce this flow against a +30-mV potential difference? Assume that the axon is 10 cm long and 20 µm in diameter.
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