Which best describes how DNA fits inside a cell nucleus?

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asked Jun 6, 2021 83.5k views

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Veejay · Answer 1 · 2021-06-09T01:47:42+0000

DNA is tightly packed in the nucleus. DNA molecule wraps around histone proteins to form tight loops called nucleosomes. Nucleosome is a structure formed by two molecules of each H2A,H2B,H3&H4. They associate to form an elliptical bead like structure. One nucleosome is covered by a H1 protein and 1 3/4 of DNA wraps around one nucleosome. These nucleosomes coil and stack together to form fibre called chromatin which constitutes the genetic material inside the nucleus.

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Which best describes how DNA fits inside a cell nucleus?

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Which best describes how DNA fits inside a cell nucleus?