Scientists Discover a Genetic Code for Organizing DNA
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science
Scientists Discover a Genetic Code for Organizing DNA from PhysOrg.com
DNA – the long, thin molecule that carries our hereditary material – is compressed around protein scaffolding in the cell nucleus into tiny spheres called nucleosomes. The bead-like nucleosomes are strung along the entire chromosome, which is itself folded and packaged to fit into the nucleus. What determines how, when and where a nucleosome will be positioned along the DNA sequence?
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