$DNA$ replication is aided by
$DNA$ polymerase only
$DNA$ ligase only
Both $DNA$ polymerase and ligase
$RNA$ polymerase
It's Obvious
Give scientific reasons : $DNA$ polymerase plays a dual function during $DNA$ replication.
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
Escherichia coli fully labelled with $15 \mathrm{~N}$ is allowed to grow in $14 \mathrm{~N}$ medium. The two strands of $DNA$ molecule of the first generation bacteria have
Who used heavy nitrogen $N^{15}$ for proving semiconservative way of $DNA$ replication
Smallest structure having the power of replicating itself is
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