Cloning Vectors
Cos site of the cosmids

helps whole genome in circularization and ligation
both (a) and (b)
consists of 12 bases
contains cleavage site

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Cloning Vectors
Plasmid incompatibility is

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

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Cloning Vectors
Cosmids lack

origin of replication
genes coding for viral proteins
cleavage site for the insertion of foreign DNA
marker genes coding for replication

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Cloning Vectors
Conjugative plasmids

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

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