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Compute the number of molecules of gramicidin in 8ml of a 50nM solution.

Assume the same fraction of gramicidin remains as part of the membrane as the fraction of lipids (they are very similar molecular weights), then how many molecules of gramicidin are there in the membrane 

Calculate the approximate conductance generated per gramicidin (in pS) in the membrane.
Total Siemens generated = 5µS

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