Choose the incorrect option $-$

Match the contents of List-$I$ with List-$II$:

List-$I$	List-$II$
$A$. Bioreactors	$(i)$ Insulin produced by rDNA technology
$B$. Downstream processing	$(ii)$ Vessels which convert raw material into specific product
$C$. Recombinant protein	$(iii)$ Detect mutated genes in suspected cancer patient
$D$. $PCR$	$(iv)$ Involves separation and purification

Yeast has become important in genetic engineering because it:

Read the following statements and select the incorrect one:
$(I.)$ Disarmed Agrobacterium is used to deliver desirable gene into plant cell.
$(II.)$ In $\text{EcoRI}$,the letter '$R$' is derived from the name of species.
$(III.)$ Gene therapy is a part of modern biotechnology.
$(IV.)$ $\text{DNA}$ is a hydrophilic molecule,so it can easily pass through cell membrane.

The production of human proteins in bacteria through genetic engineering is possible because

What do '$X$' and '$Y$' represent in the given diagram of $pBR322$?