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प्रश्न
Which of the following correctly describes prokaryotic DNA?
विकल्प
Circular, negatively charged, and not associated with histones
Circular, positively charged, and packaged into nucleosomes
Linear, positively charged, and wrapped around histone octamers
Linear, negatively charged, and organised by NHC proteins only
MCQ
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उत्तर
Prokaryotic DNA is circular in form and negatively charged due to its phosphate backbone. Unlike eukaryotic DNA, prokaryotic DNA is not associated with histone proteins but instead is compacted through supercoiling and looping mechanisms assisted by proteins such as HU proteins, DNA gyrase, and topoisomerase I.
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