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Chromatin. The total DNA in the cell is about 5 to 6 feet long which has to fit inside the nucleus of a cell in an orderly fashion. DNA molecules first wrap around the histone proteins forming beads on string structure called。

Chromatin is a complex of DNA and proteins that forms chromosomes within the nucleus of eukaryotic cells. ... called euchromatin, is less condensed and can be transcribed. The second。

Learn how histones and DNA form nucleosomes, the basic units of chromatin, and how chromatin is folded and compacted in the nucleus. See electron micrographs, diagrams, and。

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