Identify the correct statement.

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The H₁ ad H₂ histones appears as bead on string structure when viewed under electron microscope.

A typical nucleosome contains 300 bases of DNA helix.

A protein acquires charge depending upon the abundance of amino acids residues with charged side chains.

Chromatin fibers that are further coiled and condensed at anaphase stage to form chromosomes.

answer is C.

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Detailed Solution

A protein acquires charge depending upon the abundance of amino acids residues with charged side chains. Histones are rich in the basic amino acid residues lysine and arginine.
The nucleosome appears as bead on string structure when viewed under electron microscope.
A typical nucleosome contains 200bp of DNA helix
Chromatin fibers are further coiled and condensed at metaphase stage of cell division to form chromosomes.

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