How many nitrogen base pairs are present in the recognition sequence of $Hind\, III$?

In the $PCR$ technique,the amplification of a $DNA$ segment is carried out by which enzyme?

Due to the chloramphenicol resistance gene,one is able to select a transformed cell in the presence of chloramphenicol. The chloramphenicol resistance gene in this case is called:

How are antibiotics used in genetic engineering?

Biolistics method is suitable for gene transfer into . . . . . .

What is agarose?