Basic structural unit of eukaryotic chromosome which is made of histone and DNA is ?
A
Nucleosome
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B
Nucleolus
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C
Chromosome
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D
Lysosome
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Solution
The correct option is A Nucleosome A nucleosome is a basic unit of DNA packaging in eukaryotes, consisting of a segment of DNA wound in sequence around eight histone protein core the octamer. This structure is often compared to thread wrapped around a spool.