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  4. The isotope used by Meselson and Stahl in their experiment was

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Q. The isotope used by Meselson and Stahl in their experiment was

UP CPMTUP CPMT 2015Molecular Basis of Inheritance

Solution:

Meselson and Stahl $(1958)$ by growing Escherichia coli for many generations in a medium having heavy isotope of nitrogen, in the form of $^{15}NH_{4}Cl$, proved the semi-conservative replication of DNA.