The relaxation time is =1 s for a sample of bacterial DNA molecules having a molecular

The relaxation time is τ =1 s for a sample of bacterial DNA molecules having a molecular weight of 108 g/mol in concentrated solution. Given that the elastic moduli of concentrated DNA solutions of 10000 base pairs and higher display a plateau modulus, what is the relaxation time of fruit fly DNA molecules having a molecular weight of 20×10 ⁹ g/mol? (Note: The average molecular weight of a base-pair is 600 g/mol)

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