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Components used in Meselson and Stahl experiment

Option: 1

Heavy Nitrogen


Option: 2

Radioactive Nitrogen


Option: 3

CsCl (Cesium Chloride)


Option: 4

Any two of them


Answers (1)

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As we learnt ,

Experiments done by Meselson and Stahl -

They grew E.Coli in a medium containing ^{15}NH_{4}Cl  (^{15}N is the heavy isotope of nitrogen). As a result ^{15}N was incorporated into newly synthesized from the normal DNA by centrifugation in a cesium chloride (CsCl) density gradient.

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Posted by

Ritika Jonwal

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