Page 391 - Applied Pharmacognosy

Definitions

• Plasmid: a circular extrachromosomal element found naturally in
bacteria and some other organisms.
The most important aspect of plasmid in term of genetic
engineering is its capability to replicate with foreign DNA
inserted into it.

• Vector: a DNA molecule that is capable of replication in a host
organism.

• Transgenic: an organism that carries DNA sequences that it
would not normally has in its genome.

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