Cloning Vectors
Conjugative plasmids

carry transfer genes called the tra genes
do not exhibit antibiotic resistance
do not carry transfer genes
exhibit antibiotic resistance

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Cloning Vectors
Plasmid incompatibility is

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

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Cloning Vectors
Phagemid consist of

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
plasmid vector carrying λ phage's cos site

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