$A$: Kornberg enzyme is associated with the removal of primers and thyminedimer.
$R$: $DNA$ polymersase I does exonuclease activity in $5^{\prime} \rightarrow 3^{\prime}$ and $3^{\prime} \rightarrow 5^{\prime}$ directions.
Assertion and Reason both are correct and also correct explanation.
Assertion and Reason both are correct but not explanation of assertion.
Assertion is correct, but Reason is incorrect.
Both Assertion and Reason are incorrect.
During polymerisation of deoxyribonucleosides triphosphates in bacteria which of the following enzyme is mainly required?
In which form of $RNA$ most nucleotides are in modified form
Hereditary element may be attached to chromosome or found free in cytoplasm is called
Tizo and Levan's contribution is very significant because they
Centromere is a part of chromosome which helps in the