The linkage of nucleosome units discovered by olins and olins is by histone h3 histone h4 linker dna rna
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The nucleosome core particle consists of approximately 146 base pairs (bp) of DNA wrapped in 1.67 left-handed superhelical turns around a histone octamer, consisting of 2 copies each of the core histones H2A, H2B, H3, and H4.
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DNA and RNA:
DNA is a part of the nucleus. So to adjust the DNA in the nucleus, the DNA is packed into compact structure which is called chromatin.The chromatin is formed due to the assembly of the nucleosome.
It is a 6 fold of the compact structure. This is the smallest thing of the chromatin. This nucleosome is formed due to the connection of the DNA and histone proteins. After the combinations the histome octamer is formed like H2A, H2B, H3 and H4.
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