More on chromatin from Fact Monster:

• chromosome - chromosome chromosome , structural carrier of hereditary characteristics, found in the nucleus of ...
• histone - histone histone , any of a class of protein molecules found in the chromosomes of eukaryotic cells. ...
• cell, in biology: Cell Structure - Cell Structure In the nucleus the DNA, along with certain proteins, is arranged in long, thin ...
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• mitosis: The Stages of Mitosis - The Stages of Mitosis Mitosis is simply described as having four stages—prophase, metaphase, ...

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