Restriction enzymes are used in genetic engineering because they

Select the appropriate option for agarose.

What is the large extrachromosomal plasmid found in Agrobacterium tumefaciens that has the ability to induce tumors called?

Endonuclease . . . . . . .

Which of the following sequences represents a palindromic $DNA$ sequence?

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.