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hardMCQNEET 20172026Biology
4 marks (−1)

The association of histone H1 with a nucleosome indicates:

  1. A
    Transcription is occurring
  2. B
    DNA replication is occurring
  3. C
    The DNA is condensed into a Chromatin Fibre
  4. D
    The DNA double helix is exposed

Solution & Step-by-step Explanation

The histone H1 acts as a linker histone that binds to the entry/exit points of DNA on the nucleosome core. Its presence indicates that the nucleosomes are being further packed and condensed into a chromatin fibre (the 30 nm fibre).

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The association of histone H1 with a nucleosome indicates:
A
Transcription is occurring
B
DNA replication is occurring
C
The DNA is condensed into a Chromatin Fibre
D
The DNA double helix is exposed

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Molecular Basis of InheritanceDNA Packaging

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