Cloning Vectors
Conjugative plasmids

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

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Cloning Vectors
Charon vectors are different from EMBL vectors because

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

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