Separation of $\text{DNA}$ fragments is done by a technique known as :

Main steps in the formation of Recombinant $DNA$ are given below. Arrange these steps in a correct sequence.
$A$. Insertion of recombinant $DNA$ into the host cell
$B$. Cutting of $DNA$ at specific location by restriction enzyme
$C$. Isolation of desired $DNA$ fragment
$D$. Amplification of gene of interest using $PCR$
Choose the correct answer from the options given below:

What are the full forms of $ELISA$ and $PCR$?

Silencing of specific mRNA in RNAi is by

In which type of bioreactor do air bubbles increase the oxygen transfer area?

Which steps are included in recombinant $DNA$ technology mechanism?