Identify the correct statements with respect to Meselson and Stahl experiments.

Easy

A

Meselson and Stahl grew Saccharomyces cerevisiae in a medium containing ¹⁵NH₄Cl
B

¹⁵N is a radioactive isotope of nitrogen which was used by Meselson and Stahl in their experiment.
C

The heavy DNA molecule could be distinguished from the normal DNA by centrifugation in a cesium chloride (CsCl) density gradient
D

Meselson and Stahl first proposed the semi-conservative mode of DNA replication.

Solution

In Meselson and Stahl experiments with E.coli to prove semiconservative mode of DNA replication, to distinguish heavy DNA from hybrid DNA and light DNA.

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