Nucleosome is

Intron interrupted DNA.

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Double helix DNA.

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Negatively charged DNA wrapped around positively charged histone octamer.

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Satellite DNA.

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Solution

The correct option is C Negatively charged DNA wrapped around positively charged histone octamer.
Nucleosome is the structural unit of a eukaryotic chromosome, and thought to be present only during interphase of cell cycle. It consists of DNA wrapped around histone octamer.

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Similar questions

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,

Q. Read (i) to (v) and find the correct option.
(i) Nitrogen base is linked to pentose sugar through

N -

glycosidic linkage
(ii) Phosphate group is linked to

5^{'} - O H

of a nucleoside through phosphoester linkage
(iii) Two nucleosides are linked through

3^{'} - 5^{'} N -

glycosidic linkage
(iv) Negatively charged

D N A

is wrapped around positively charged histone octamer to form nucleosome
(v) Chromatin that is more densely packed and stains dark is called euchromatin

Q. The DNA is wrapped around histone octamer and it appears as beads-on-string when seen under electron microscope. These beads in chromatin fibre further

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

Q. In a nucleosome, the DNA is wrapped around

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Nucleosome is

The correct option is C Negatively charged DNA wrapped around positively charged histone octamer.Nucleosome is the structural unit of a eukaryotic chromosome, and thought to be present only during interphase of cell cycle. It consists of DNA wrapped around histone octamer.

The correct option is C Negatively charged DNA wrapped around positively charged histone octamer.
Nucleosome is the structural unit of a eukaryotic chromosome, and thought to be present only during interphase of cell cycle. It consists of DNA wrapped around histone octamer.