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    • DNA, chromosomes and cells diagram
    Rights: The University of Waikato Te Whare Wānanga o Waikato Published 28 June 2011, Updated 28 June 2018 Size: 620 KB Referencing Hub media

    To fit into cells, the DNA double helix is wrapped up around histone proteins and then coiled up further into into chromosomes. In eukaryotic cells, chromosomes are found in the nucleus. Mitochondria and chloroplasts also contain DNA.

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      DNA, chromosomes and gene expression

      We hear about DNA all the time, whether it’s in a news story or the latest crime show on TV. But what exactly is DNA? Where is it found? Why is it important? To answer these questions, we need to ...

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