Nucleosomes give beaded appearance to chromosomes. They help in packing of DNA in the chromosomes. A nucleosome has

Nucleosomes give beaded appearance to chromosomes. They help in packing of DNA in the chromosomes. A nucleosome has
A. about 5 turns of DNA
B. 8 histone molecules of 4 types (2 mols each of `H_(2)a`, `H_(2)b`,H_(3) and H_(4)`)
C. 400 nitrogen base pairs
D. all of the above

Nucleosomes give beaded appearance to chromosomes. They help in packing of DNA in the chromosomes. A nucleosome has

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