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प्रश्न
Which of the following statements about plasmids is incorrect?
पर्याय
Plasmids have the ability to replicate within the bacterial cell.
Their replication is controlled by chromosomal DNA.
They are autonomously replicating circular extra-chromosomal DNA.
They often carry antibiotic resistant genes.
MCQ
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उत्तर
Their replication is controlled by chromosomal DNA.
Explanation:
Plasmids are autonomously replicating, usually circular, extrachromosomal DNA molecules that carry genes (often antibiotic resistance) and replicate using their own origin and replication functions, not under the direct control of chromosomal DNA (though host factors can influence copy number).
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