In Meselson and Stahl's experiments, heavy $DNA$ was distinguished from normal $DNA$ by centrifugation in
$CsOH \;gradient$
$14 \mathrm{NH} 4 \mathrm{Cl}$
$15 \mathrm{NH} 4 \mathrm{Cl}$
$CsCl\; gradient$
In which type of $DNA$ replication of the two newly formed molecules one is purely a new one and the other one is old
Which of the following statement is correct regarding the process of replication in $E$.coli?
Which of the following statement is correct about $DNA$ polymerase?
$DNA$ replicates semiconservatively, It was experimentally performed by.
Give scientific reasons : $DNA$ polymerase plays a dual function during $DNA$ replication.