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Study the diagram given below and answer the questions that follows :
The histone core in a nucleosome of chromatin thread is a/an :
Assertion (A) : Scaffold proteins are non-histone chromosomal proteins. Reason (R) : They are rich in lysine and arginine.
In its extended 'beads-on-string' form of chromatin, the 'string' in the 'beads-on-string' represent :
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