Cloning Vectors
Select the wrong statement about plasmids?

It is closed and circular DNA
It is extrachromosomal
Its replication depends upon host cell
It is double stranded

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Cloning Vectors
Plasmid incompatibility is

inability of two different plasmids to coexist in the same host cell in the absence of selection pressure.
both (a) and (b)
None of these
inability of a plasmid to grow in the host

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