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Plasmid
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Key Stage 4
Meaning
A
diagram
showing several
plasmids
in an
E.coli
bacterium
.
A
plasmid
is a small ring of
DNA
found in a
bacterium
.
About Plasmids
Plasmids
are additional pieces of
DNA
to the
loop of DNA
found in
bacteria
.
Plasmids
are used in
genetic engineering
because they are small, simple lengths of
DNA
which can easily have
genes
added or removed.
