Biolistics (gene gun) is suitable for:

Describe the role of $CaCl_2$ in the preparation of competent cells.

Which of the following processes is $NOT$ a part of the downstream processing?

At which stage of $PCR$,does the template join with the primer?

In the above represented plasmid,an alien piece of $\text{DNA}$ is inserted at the $\text{EcoRI}$ site. Which of the following strategies will be chosen to select the recombinant colonies?

$DNA$ precipitation out of a mixture of biomolecules can be achieved by treatment with