Plasmids are composed of

Who discovered that restriction enzymes have the capability of cutting $DNA$ strands in a particular fashion,which left what has become known as 'sticky ends' on the strands?

$A$ special sequence from where $DNA$ replication starts.

In agarose gel electrophoresis,$DNA$ molecules of different lengths are separated on the basis of their

In vector $\text{pBR-322}$,the $\text{Rop}$ codes for the $:-$

In transformation,microparticles are bombarded with the help of a gene gun,which are made of ............ .