A) Only histone protein
B) Both DNA and histone protein
C) Only DNA
D) Both DNA and RNA
Correct Answer: B
Solution :
Nucleosome contains both DNA and histone protein. In fact, nucleosome is the negatively charged DNA wrapped around the positively charged his tone octamer. A typical nucleosome contains 200 bp of DNA helix. It constitutes the repeating unit of a structure in nucleus called chromatin, thread - like stained (coloured) bodies seen in nucleus.
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