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R-plasmids have which ONE of the following properties: A. Are less than 10 kb in size...

R-plasmids have which ONE of the following properties:

A.

Are less than 10 kb in size
B.

Contain antibiotic resistance genes and are self-transmissible
C.

Have a high copy number
D.

Are mobilizable but not self-transmissible
E.

Are commonly used for cloning recombinant DNA
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Answer #1

C. Correct answer is option C .

plasmid vectors are small in size. They are used to make copies of desired genes and amplify genes . The size of plasmid vector They have an origin of replication, a selective marker as well as multiple cloning sites. They have  high copy numbers inside the cell. In addition, the plasmid can have a marker gene as the visual marker to help determine whether cloning was done or not . They can transfer their extra chromosomal material in the host through conjugation . Plasmid can be bigger than 10 kb size .

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