A solution containing 3.58 x 1023 molecules/m3 of protein in water is separated from pure water by a membrane 3.20 μm thick. The diffusion coefficient of the protein through the membrane is 7.15 x 10-18 m2/s. On average, how many molecules cross 0.0240 μm2 of this membrane each second? [Answer as a positive number with 3 sig digits, but do not enter units with your answer]

A solution containing 3.58 x 1023 molecules/m3 of protein in water is separated from pure water by a membrane 3.20 μm thick. The diffusion coefficient of the protein through the membrane is 7.15 x 10-18 m2/s. On average, how many molecules cross 0.0240 μm2 of this membrane each second? [Answer as a positive number with 3 sig digits, but do not enter units with your answer]

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter5: Structure And Function Of Plasma Membranes

Section: Chapter Questions

Problem 24CTQ: Discuss why the following affect the rate of diffusion: molecular size, temperature, solution...

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