$ELISA$ is based on:

How many of the following statements are correct?
$(i)$ Mature insulin is made up of $A, B$ and $C$ peptides.
$(ii)$ Removal of $C$-peptide helps in the maturation of insulin.
$(iii)$ In mature insulin,$C$-peptide is present.
$(iv)$ In insulin,chains $A$ and $B$ are linked by disulphide bonds.

Humulin is . . . . . . .

Which human hormone was the first to be produced using recombinant $DNA$ technology?

Which of the following genetically engineered organisms was used by Eli Lilly to prepare human insulin?

Maximum application of animal cell culture technology today is in the production of