Nucleosome contains

Only histone protein

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Both DNA and histone protein

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Only DNA

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Both DNA and RNA

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Solution

The correct option is A Both DNA and histone protein
The nucleosome core particle contains two copies of each histone protein (H2A, H2B, H3 and H4) and 146 basepairs (bp) of superhelical DNA wrapped around this histone octomer. So, the correct answer is option B.

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Similar questions

Q. RNA coiled around histone protein is called a nucleosome.

Q. Assertion :DNA is associated with proteins. Reason: DNA binds around histone proteins that form a pool and the entire structure is called as a nucleosome.

Q. How are the following formed and involved in DNA packaging in a nucleus of a cell?
(i) Histone octomer (ii) Nucleosome (iii) Chromatin.

Q. Go through the following statements
(i) A typical nucleosome contains 400 bp of DNA helix.
(ii) The positively charged DNA is wrapped around the negatively charged histone octamer to form a structure called nucleosome.
(iii) Histones are rich in the basic amino acid residues asparagine and valine
(iv) The packing of chromatin at higher level requires additional set of proteins that collectively are referred to as Non-histone chromosomal proteins.

Find the out the incorrect statements,

As DNA is negatively charged (or acidic) and histone are positively charged in their side chain(or basic).. Can we assume that nucleosome as a whole will be neutral neither acidic nor basic

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Nucleosome contains

The correct option is A Both DNA and histone proteinThe nucleosome core particle contains two copies of each histone protein (H2A, H2B, H3 and H4) and 146 basepairs (bp) of superhelical DNA wrapped around this histone octomer. So, the correct answer is option B.

The correct option is A Both DNA and histone protein
The nucleosome core particle contains two copies of each histone protein (H2A, H2B, H3 and H4) and 146 basepairs (bp) of superhelical DNA wrapped around this histone octomer. So, the correct answer is option B.