Which of the following are considered second-generation vaccines?

Identify the function of the enzyme Adenosine Deaminase $(ADA)$.

How many of the following statements are incorrect?
$I.$ Genes of Agrobacterium are used to produce humulin.
$II.$ Indian government has set up $\text{GEAC}$.
$III.$ $\alpha-1$-antitrypsin is used to treat $\text{PKU}$.
$IV.$ $\text{ELISA}$ serves the purpose of early diagnosis.
$V.$ Flavr-savr is a variety of pomato.

Human insulin is being commercially produced from a transgenic species of

In the earlier times,the insulin used for diabetic patients was:

Which scientist obtained interferon using recombinant $DNA$ technology?