Which of the following statements is $NOT$ correct?

Hybridoma cells are .....

How is a permanent cure for $ADA$ deficiency possible?

The vaccine for Hepatitis-$B$ is produced from ...........

In what form is human insulin synthesized,and what does it contain?

Some of the steps involved in the production of humulin are given below. Choose the correct sequence.
$(i)$ Synthesis of gene $(DNA)$ for human insulin artificially.
(ii) Culturing recombinant $E. coli$ in bioreactors.
(iii) Purification of humulin.
(iv) Insertion of human insulin gene into plasmid.
$(v)$ Introduction of recombinant plasmid into $E. coli$.
(vi) Extraction of recombinant gene product from $E. coli$.