Restriction enzymes were discovered by

$A$: Restriction enzymes belong to a larger class of enzymes called nucleases.
$R$: Each restriction enzyme recognizes a specific palindromic nucleotide sequence in the $DNA$.

The stickiness of the ends facilitates the action of which enzyme?

Which technique is used to separate $DNA$ fragments?

Select the appropriate option regarding $r-DNA$.

$A$ set of genes or $cDNA$ is immobilized on a glass slide and used in transcriptome studies is called: