Understanding Operons
Operons are crucial units of genomic DNA in prokaryotes, allowing multiple related genes to be regulated by a single promoter. This efficient system ensures that genes involved in similar functions, like those processing lactose in the lac operon, are expressed together. The presence of a repressor protein can inhibit transcription by binding to the operator, effectively controlling gene expression based on the availability of lactose.In this clip
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The Science of Everything Podcast
Episode 148: Control of Gene Expression
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