Photo de stock - Illustration of a chromosome and chromatin unwinding. The chromatin is unwound progressively, showing the nucleosomes (8 histones surrounded by DNA), followed by the double DNA helix), and the double DNA helix with its composition (phosphates, sugars and ATGC basis).

Photo de stock: Illustration of a chromosome and chromatin unwinding. The chromatin is unwound progressively, showing the nucleosomes (8 histones surrounded by DNA).

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