Which one of the following statements is incorrect about nucleosomes?

They contain DNA.

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They contain histones.

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They are membrane-bound organelle.

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They are a part of chromosomes.

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Solution

The correct option is D They are membrane-bound organelle.
Nucleosomes are the subunits of chromatin. They are important part of chromosomes. Each nucleosome is made up of two turns of DNA wrapped around a set of eight histone proteins. The set of eight histone protein is called as histone octamer. Each histone octamer is made up of two copies each of the histone proteins H2A, H2B, H3, and H4. H1 histone protein binds to linker DNA between two nucleosomes.
Thus, the correct answer is option C.

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