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Types of Chromatin

DNA Wraps Around Histone Proteins Forming Nucleosomes
DNA Wraps Around Histone Proteins Forming Nucleosomes

The complexes, which attach to both the histone octamer and the DNA wrapped around it, can locally reposition the DNA wrapped around nucleosomes, making the DNA either more or less accessible to the other proteins in the cell. The loosening of chromosomes allows proteins involved in gene expression, DNA replication, and DNA repair to gain access.

source: quizlet.com

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