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2 August, 21:31

Which of the following terms describes the DNA-protein complexes that look like beads on a string?

a) 30-nanometer fiber

b) Histones

c) Nucleosome

d) Chromatin

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Answers (2)
  1. 2 August, 21:32
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    nucleosomes

    Explanation:

    the answer is not chromatin I can assure you that
  2. 2 August, 21:50
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    Ans.

    Beads on a string structure shows DNA molecule, which wraps around histone proteins. This structure is known as chromatin. The histone molecules are supposed as beads and DNA molecule represents a string, thus known as beads on string structure.

    It plays an important role in DNA packaging as it folds very long molecules of DNA into a dense, compact form that can fit into a small nucleus or cell.

    Hence, the correct answer is option d.
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