........ make cuts at specific positions within the $DNA$.

EcoRI is

In bacteria,a plasmid is .........

Which of the following is a palindromic sequence?

$A$ set of bacterial clones,each containing a plasmid or phage,is called

Identify the desirable characteristics for a plasmid used in $rDNA$ technology from the following.
$A$. Ability to multiply and express outside the host in a bioreactor.
$B$. $A$ highly active promoter
$C$. $A$ site at which replication can be initiated
$D$. One or more identifiable marker genes
$E$. One or more unique restriction sites.