The diffusion coeffiicent of a particular kind of t-rna, Ask an Expert

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The diffusion coeffiicent of a particular kind of t-RNA molecule is D=1.0x10^-11 m^2 s^-1 om the medium of a cell interior. How long does it take molecules produced in the cell nucleus to reach the wall of the cell at a distance 1.0um, corresponding to the radius of the cell

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