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a
Histones are acidic proteins
b
Chromosomes or chromatin has only histone proteins and DNA.
c
Arginine and Lysine are the major amino acids present in histones
d
Nucleosome has both histones and non-histone chromosomal proteins.
answer is C.
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Detailed Solution
Chromatin has DNA, histones and non-histone chromosomal proteins and some amount of RNA. Arginine and Lysine are the basic amino acids present in abundance in histones. Nucleosome has DNA and histones but not non-histone chromosomal proteins.