Who used heavy nitrogen N15 for proving semiconservative way of DNA re – McqOptions

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1.	Who used heavy nitrogen N15 for proving semiconservative way of DNA replication [MP PMT 1993]
A.	Masters and Broda
B.	Meselson and Stahl
C.	Watson and Crick
D.	Jacob and Monad
Answer» C. Watson and Crick

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