BotanyWhich was the nitrogen source provided to E.coli by Meselson and Stahl to prove semiconservative mode of replication of DNA?

Which was the nitrogen source provided to E.coli by Meselson and Stahl to prove semiconservative mode of replication of DNA?

  1. A

    NH4NO3

  2. B

    Ca (NO3)2

  3. C

    NH4Cl

  4. D

    KNO3

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    Solution:

    NH4Cl was the nitrogen source provided to E.coli by Meselson and Stahl to prove semiconservative mode of replication of DNA. They used the isotopes 15N and 14N.

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