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Plasmids and ________ have the ability to replicate within bacterial cells independent of the control of chromosomal DNA.

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in Biology – Class 12 by (271k points)
Plasmids and ________ have the ability to replicate within bacterial cells independent of the control of chromosomal DNA.

(a) bacteriophages

(b) fragments

(c) bacteria

(d) clones

The question was posed to me at a job interview.

This interesting question is from Tools of Recombinant DNA Technology: Cloning Vectors in chapter Biotechnology Principles and Processes of Biology – Class 12

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Right choice is (a) bacteriophages

For explanation: Plasmids and bacteriophages can replicate within bacterial cells without the help of chromosomal DNA. Thus they are self-replicating and autonomous in nature. They have their own replication machinery.

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