Due to the chloramphenicol resistance gene,one is able to select a transformed cell in the presence of chloramphenicol. The chloramphenicol resistance gene in this case is called:

What is true for plasmid?

In gel electrophoresis, the separated $DNA$ fragments can be visualized only after staining the $DNA$ with a compound known as ............. followed by exposure to $UV$ radiation.

Which enzyme is responsible for cutting $DNA$ segments?

Which of the following enzyme$(s)$ are $\text{NOT}$ essential for gene cloning?
$A.$ Restriction enzymes
$B.$ $\text{DNA}$ ligase
$C.$ $\text{DNA}$ mutase
$D.$ $\text{DNA}$ recombinase
$E.$ $\text{DNA}$ polymerase
Choose the correct answer from the options given below:

Which of the following is associated with genetic engineering?