State the significance of heavy isotope of nitrogen in meselson and stahl experiment
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The Meselson and Stahl ExperimentDescribed. Meselson and Stahl tested the hypothesis of DNA replication. ... 15N is aheavy isotope of nitrogen so the DNA synthesized is of heavy density. They then shifted the bacteria to a 14N medium, DNA was isolated at different times corresponding to replication cycles 0, 1, and 2.
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