$DNA$ replication is aided by
$DNA$ polymerase only
$DNA$ ligase only
Both $DNA$ polymerase and ligase
$RNA$ polymerase
It's Obvious
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 $15\,N$ ?
Which is not correctly matched
Describe various enzymes involved for $DNA$Replication.
Which one of the following is called polynucleotide joining enzyme
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
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