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प्रश्न
How many base pairs will be there in 20 nucleosomes in a DNA double helix?
विकल्प
4000
40
20
2000
MCQ
उत्तर
4000
Explanation:
Generally speaking, a nucleosome contains roughly 200 base pairs (bp) of the DNA helix. But technically speaking, human nucleosomes are made up of about 146 base pairs of the DNA helix. Consequently, for 20 nucleosomes:
Number of base pairs = 200 base pairs/nucleosome × 20 nucleosomes
200 × 20 = 4,000 base pairs
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