Cloning Vectors
Plasmid incompatibility is

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

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Cloning Vectors
Phagemid consist of

plasmid vector carrying λ phage's cos site
plasmid vector carrying λ attachment (λ att) site
plasmid vector carrying origin of replication of plasmid only
plasmid vector carrying origin of replication of λ phage only

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