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Two models of histone subunits, Cambridge, England, 1980-1988

Histone is the name given to a group of proteins found with DNA and used during DNA replication and gene activity. They act as ‘spool’ around which the DNA can wind. Histone subunits (the red and yellow model) are amino acids. The models were made and lent by the Laboratory of Molecular Biology at the University of Cambridge.

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Glossary: model - representation

Use for a scaled representation of an object or structure, usually three-dimensional. The item is often idealised or modified to make it conceptually easier to understand.

Glossary: DNA

DNA stores the information, or blueprints, of every cell and is located in the genes. It is made up of two strands which form a double helix that is linked by hydrogen bonds. It was first described in 1953 by Francis Crick and James Watson.