Identify the structure shown below.

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(B) The image shows a 'beads-on-a-string' structure,which is characteristic of chromatin when viewed under an electron microscope. This structure repr

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Nucleosome

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(B) The image shows a 'beads-on-a-string' structure,which is characteristic of chromatin when viewed under an electron microscope. This structure represents the nucleosomes,which are the repeating units of chromatin,consisting of $DNA$ wrapped around a histone octamer. While the entire structure is chromatin,the specific repeating unit shown is the nucleosome.

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