Identify the plasmid among the following.

Agarose is extracted from

The $DNA$ used as a carrier for transferring a fragment of foreign $DNA$ into a suitable host is called

Given below are two statements :-
Statement-$I$ : Restriction endonucleases recognize specific sequences to cut $\text{DNA}$ known as selectable nucleotide sequences.
Statement-$II$ : Restriction endonucleases cut the $\text{DNA}$ strand a little away from the centre of the palindromic site.
In the light of the above statements,choose the most appropriate answer from the options given below :-

What is the function of $rop$ in a cloning vector?

Special sequence in the $DNA$ recognized by restriction endonuclease is called