The common bacteria used in genetic engineering is _____

Restriction enzymes are ___

How are restriction enzymes different from the topoisomerases functionally?</h2></div>

Selective markers in plasmids are used to<span><br> </span></h2></div>

State the role of 'biolistic gun' in biotechnology experiments.</h2></div>

Downstream processing also involves _____

A desirable change in genotype of an organism is obtained by<br> </h2></div>

Write a comparative note on usefulness and harmfulness of biotechnology.</h2></div>