Who used heavy nitrogen $N^{15}$ for proving semiconservative way of $DNA$ replication

  • A

    Masters and Broda

  • B

    Meselson and Stahl

  • C

    Watson and Crick

  • D

    Jacob and Monad

Similar Questions

Ten E.coli cells with ${ }^{15} N$ - dsDNA are incubated in medium containing ${ }^{14} N$ nucleotide. After 60 minutes, how many E.coli cells will have DNA totally free from $15\,N$ ?

  • [NEET 2022]

Which is not correctly matched

During $DNA$ replication which of the following does not act as substrates?

A $DNA$ molecule in which both strands have radioactive thymidine is allowed to duplicate in an environment containing non-radioactive thymidine. What will be the correct number of $DNA$ molecules that contain some radioactive thymidine after three duplications

  • [AIIMS 1980]

$DNA$ replication is semi-conservative as