The critical research areas of biotechnology are

$I$. providing best catalyst as improved organism, usually a microbes or pure enzyme

$II$. creating optimal conditions by engineering for a catalyst to act

$III$. down stream processing technologies

$IV$. Multiple Ovulation Transfer Technology $(MOET)$

Which of the statements given above the correct?

Torulopsis utilis is

$T_{i}$ plasmids used in genetic engineering is obtained from

$A$ : Recombinant $DNA$ technologies process has been less effective in therapeutic drug production.

$R$ : Recombinant therapeutics induce unwanted immunological responses.