Human insulin is being commercially produced from a transgenic species of

Which of the following statements are false?
$I$. Insulin for curing diabetes,used to be extracted from the pancreas of slaughtered pig and cattle.
$II$. Animal insulin is slightly different from human insulin.
$III$. Animal insulin causes some undesirable side effects such as allergy.
$IV$. Bacteria cannot be made to synthesise insulin from its gene because of the presence of introns.
Choose the correct option.

Which one of the following is now being commercially produced by biotechnological procedures?

Can you list $10$ recombinant proteins which are used in medical practice? Find out where they are used as therapeutics.

Which therapy can be used to treat the genetic disorder $S.C.I.D.$?

What is absent in mature insulin?