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Question

Chromatin/chromosome consists of

A
DNA
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B
RNA
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C
RNA and histones
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D
DNA and histones
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Solution

The correct option is D DNA and histones
  • Chromatin/chromosome consists of DNA and histones.
  • Chromatin is a viscous, gelatinous substance made up of DNA, RNA, basic proteins called histones or acidic proteins called nonhistones.
  • Histones are small proteins which have a high amount of basic amino acids (arginine and lysine).
  • A segment of DNA is wrapped in sequence around eight histone protein core.
  • So, the correct answer is 'DNA and histones'.

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