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Q.

The association of histone H1 with a nucleosome indicates that 

 

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a

DNA replication is occurring

b

The DNA is condensed into a chromatin fibre

c

The DNA double helix is exposed

d

Transcription is occurring

answer is B.

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Detailed Solution

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Association of H1 with a nucleosome indicates that nucleosomes are existing so DNA is in condensed state that is chromatin fibres.

At the time of DNA replication and transcription DNA open or uncoil from histones. Uncoiling of DNA from histones may or may not be followed by unwinding of DNA helix.

 

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