(a) What is this diagram representing ? ...

(a) What is this diagram representing ? (b) Name the parts a, b, c and d.
(c) In the eukaryotes the DNA molecules are organised within the nucleus. How is the DNA molecule organised in a bacterial cell in absence of a nucleus ?

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(a) This diagram is representing the structure of nucleosome (b) a = Histone octamer, b = DNA, c = H I histone, d = Core of histone molecules
(c) In a bacterial cell, DNA molecule is held with some proteins in the region of nucleoid. The DNA in nucleoid is organised in large loops held by proteins.

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