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4362 bsae pairs
Tet. and Amp. resistant
20 - 50 copies per cell
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Vectors
for DNA delivery
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Plasmids
are the extrachromosomal DNA, present in the
bacterial cells. |
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These
are a). Small’ b). Circular, c). self replicating
and d). can mobilize from one cell to another. |
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Vectors
are derived from the natural plasmids, by making
them a). smaller b). drug resistant c). relaxed
control of replication and d). convenient restriction
sites etc, by genetic manipulation |
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Plasmid
vector pBR 322 is a typical example that has
been used for many of the important discoveries
in Biotechnology |
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