Cloning Vectors
Stuffer is

the right arm of the vector DNA
central fragment of the vector DNA
the left arm of the vector DNA
None of these

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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
Cosmid vectors are

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

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