Small circular extrachromosomal molecules present in a bacterial cell are called plasmids.

DNA

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RNA

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protein

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sugar

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Solution

The correct option is A DNA
Plasmids are small circular extrachromosomal DNA present in the bacterial cells. They house important genes which impart antibiotic resistance and ability to conjugate. Plasmids also have genes coding for restriction enzymes that can cut other DNA molecules at specific regions.

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Plasmids present in bacterial cells are:

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