MCQ
Which among the following is based on antigen antibody interaction?
- A$\text{PCR}.$
- BElectrophoresis.
- ✓$\text{ELISA}.$
- DAll of these.
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$I.$ Recombinant $DNA$ technology popularly known as genetic engineering is a stream of biotechnology which deals with the manipulation of genetic material by man in vitro
$II. pBR322$ is the first artificial cloning vector developed in $1977$ by Boliver and Rodriquez from $E$. coli plasmid
$III.$ Restriction enzymes belong to a class of enzymes called nucleases
Which of the statements given above are correct?