Which enzyme is responsible for linking the fragments of $DNA$
$DNA$ polymerase $III$
Endonuclease
$DNA$ polymerase $I$
$DNA$ ligase
Semiconservative replication of $DNA$ was first demonstrated in
Smallest structure having the power of replicating itself is
What is the cause of discontinuous synthesis of $DNA$ on one of the parental strands of $DNA$ ? What happens to these short stretches of synthesised $DNA$ ?
Which of the following statement is correct regarding the process of replication in $E$.coli?
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