An alien $DNA$ is linked with the origin of replication, so that this alien piece of $DNA$ can replicate and multiply itself in the host organism. This can also be called ......

Which branch of science is associated with the production of products useful to humans by using organisms or enzymes derived from them?

Genetic engineering is defined as .......

Which of the following is $NOT$ a basic step in genetically modifying an organism?

............. deals with techniques of using live organisms or enzymes from organisms to produce products and processes useful to humans.

The critical research areas of biotechnology are:
$I$. Providing the best catalyst as an improved organism,usually a microbe or pure enzyme.
$II$. Creating optimal conditions through engineering for a catalyst to act.
$III$. Downstream processing technologies.
$IV$. Multiple Ovulation Embryo Transfer Technology $(MOET)$.
Which of the statements given above are correct?