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प्रश्न
How many base pairs are contained in E. coli DNA?
पर्याय
About 6.6 billion base pairs
About 4.6 million base pairs
About 146 base pairs
About 200 base pairs
MCQ
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उत्तर
E. coli DNA contains approximately 4.6 million base pairs organised in a circular, negatively charged molecule. This DNA must be compacted 400–700 times to fit within the bacterial cell, which is only 2–3 micrometres in length, far shorter than the DNA's 1.1–1.36 mm perimeter.
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