Separation of $DNA$ fragments is done by a technique known as:

The Polymerase Chain Reaction $(PCR)$ technique is used for ........

Explain how recombinant $DNA$ is introduced into a host cell or a living organism.

Which of the statements are correct about bioreactors?
$I.$ It provides all the optimal conditions for achieving the desired product by providing optimal growth conditions like temperature, $pH$, substrate, salt, vitamin and oxygen.
$II.$ It is suited for large-scale production of microorganisms under aseptic conditions for a number of days.

In which of the following wells was undigested $DNA$ loaded?

Which enzyme is required to obtain $DNA$ in its pure form from a cell?