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Our bodies are composed of trillions of cells, each with its own job. To be able to perform these specific jobs, every cell needs a different set of tools, which are formed by the collection of proteins that a cell produces.

All our cells contain the exact same DNA sequence but one central question remains unanswered - how does a cell know which combination of the 20,000 genes it should activate to produce its specific toolkit? A study co-led by Dr Ben Davies has been published in Nature Cell Biology.

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