Somatostatin or human growth hormone $(HGH)$ was first genetically isolated by:

Which type of bond connects the $A$ and $B$ chains of human insulin?

Statement-$I$: In vitro fertilisation leading to a test tube baby is a part of biotechnology.
Statement-$II$: Developing a $\text{DNA}$ vaccine is a part of biotechnology.

.......... works on the principle of antigen-antibody interactions.

First biochemical to be produced commercially by microbial cloning and genetic engineering is:

$ELISA$ is used to detect viruses,where: