Semiconservative replication of $DNA$ was first demonstrated in
Semiconservative replication of $DNA$ was first demonstrated in
- [AIPMT 2009]
- A
Escherichia coli
- B
Streptococcus pneumoniae
- C
Salmonella typhimurium
- D
Drosophila melanogaster.
Similar Questions
Self replication is occurred in
Self replication is occurred in
Bacteria were grown in a medium containing heavy isotope of nitrogen ($N^{15}$) for many generations and all their $DNA$ contained many heavy nitrogen only. A bacterium of this type was transferred to normal medium and allowed to duplicate. After two divisions of heavy $DNA$ is likely to be that
Bacteria were grown in a medium containing heavy isotope of nitrogen ($N^{15}$) for many generations and all their $DNA$ contained many heavy nitrogen only. A bacterium of this type was transferred to normal medium and allowed to duplicate. After two divisions of heavy $DNA$ is likely to be that
- [AIPMT 1993]
$DNA$ polymerase helps in
$DNA$ polymerase helps in
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]