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
Cosmid vectors are

plasmids that contain fragment of λ DNA including the cos site
phages that lack cos site
cryptic plasmids
plasmids that have no selection marker

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Cloning Vectors
Cosmids lack

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

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