Cloning Vectors
Inserted DNA in λ gt 11 can be expressed as

β-galactosidase fused protein
free protein in the cytoplasm
free protein that is secreted out
All of these

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Cloning Vectors
Plasmid incompatibility is

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
inability of a plasmid to grow in the host

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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
Charon vectors are different from EMBL vectors because

physical separation of lambda arm from central fragment is not required
they have more extensive range of restriction targets with in their polylinkers.
both (a) and (b)
physical separation of lambda arm from central fragment is required

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