Which is a mechanical vector that injects recombinant DNA directly into the nucleus of a host cell? gene gun micropipette bacterial plasmid viral phage

A. Gene gun

Gene gun is the mechanical vector that is used to inject recombinant DNA directly into the nucleus of host cell. In comparison to this, bacterial plasmid or a viral phages are biological vectors. Mechanical vector is more specific than a biological vector and is more efficient and accurate than biological vector.