$mRNA$ silencing is known as .........

The separated bands of $DNA$ are cut out from the agarose gel and extracted from the gel piece. This step is known as . . . . . . .

In the presence of a chromogenic substrate,what color colonies do recombinants and non-recombinants produce,respectively?

The components of a bioreactor are:
$I.$ An agitator system
$II.$ An oxygen delivery system
$III.$ Foam control system
$IV.$ Temperature control system
$V.$ $pH$ control system
$VI.$ Sampling ports to withdraw cultures periodically
Choose the correct option.

What is the significance of adding proteases at the time of isolation of genetic material $(DNA)$?

Which of the following is $NOT$ included in the downstream processing of recombinant $DNA$ technology?