Gene regulation

Operons and gene regulation in bacteriaTrp operonLac operonOverview: Gene regulation in bacteriaThe lac operonThe trp operon
Overview: Eukaryotic gene regulationTranscription factorsRegulation after transcription

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You have tens of thousands of genes in your genome. Does that mean your cells express all of those genes, all the time? Not by a long shot! Even an organism as simple as a bacterium must carefully regulate gene expression, ensuring that the right genes are expressed at the right time. Learn more about the mechanisms cells use to turn genes "on" and "off."
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