Who used heavy nitrogen $N^{15}$ for proving semiconservative way of $DNA$ replication
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 $15\,N$ ?
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
Which is not correctly matched
During $DNA$ replication which of the following does not act as substrates?
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
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
$DNA$ replication is semi-conservative as