Basic structural unit of eukaryotic chromosome which is made of histone and DNA is ?

Nucleosome

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Nucleolus

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Chromosome

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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.
So, the correct answer is 'Nucleosome'

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The structural unit formed by tight coiling of DNA around the histone octamer is called the ________________.

Structure made up of 8 histone molecules with DNA coiled around it.

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