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1.  A protein was observed to move 300 µm in 12.7 minutes at 23°C. Assuming its density and viscosity to be 1.34 g/cm3 and 0.89 X 10-2 g/cm s respectively, calculate the following parameters related to the protein's shape and its movement.

a. Diffusion coefficient

b. Friction coefficient

c. Radius

d. Volume

e. Molar weight

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