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Question

Plasmids present in bacterial cells are:


A

Circular double helix DNA molecule

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B

Circular double helix RNA molecule

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C

Linear double helix DNA molecule

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D

Linear double helix RNA molecule

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Solution

The correct option is A

Circular double helix DNA molecule


A plasmid is a small DNA molecule within a cell that is physically separated from a chromosomal DNA and can replicate independently. They are most commonly found as small circular, double-stranded DNA molecules in bacteria.


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