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Nucleosome molecule, model

Nucleosome molecule, model

C023/3727

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Credit

KALLISTA IMAGES / CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY KALLISTA IMAGES / CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY

Caption

Nucleosome, molecular model. A nucleosome is a subunit of chromatin, the substance that forms chromosomes. It consists of a short length of DNA (deoxyribonucleic acid, pink and yellow helix) wrapped around a core of eight histone proteins (centre). Here the secondary structure of the proteins is shown. The structure of the nucleosome allows large quantities of DNA, the genetic material, to be packaged into a cell's nucleus. This DNA fragment is 146 base pairs long.

Release details

Model release not required. Property release not required.

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