LABORATORY REVIEW
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Plasmids are used as cloning vectors for which of the following reasons?
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Can be multiplied in culture
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Self-replication in bacterial cells
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Can be multiplied in laboratories with the help of enzymes
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Replicate freely outside bacterial cells
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Explanation:
Detailed explanation-1: -Plasmids are a type of cloning vector that is found in almost all bacterial species. They are normally used to clone DNA segments of small size that may lead up to 10 kilobases. It is an extrachromosomal genetic element of DNA that is capable of replicating independently of the host chromosome.
Detailed explanation-2: -Their ability to replicate independently makes plasmid a cloning vector in the recombinant DNA technology for transferring and manipulating genes. Many antibiotic-resistant genes in bacteria are present in plasmids.
Detailed explanation-3: -So, the correct answer is ‘Plasmids’
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