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A-Level Biology OCR A

Dna Chromatin Describe Packaged Chromosome Formation Proteins Histones

Front Describe how DNA is packaged in a chromosome.
Back Formation of chromosomes:
  • DNA is associated with proteins (histones) around which DNA can wrap making it more compact - chromatin
  • During interphase, chromatin is decondensed
  • During mitosis - chromatin is condensed - chromosomes

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