How do bacteria avoid wasteful production of unnecessary proteins when their genes are always on? The answer lies in regulating the operon. As trp levels increase, trp binds to trpR, causing a ...
The lac Operon Explained In 1964, Jacob and Monod identified the promoter region for RNA polymerase. 9 A few years later, another team mapped the genes of the lac operon —the repressor, promoter, ...
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