The lac operon is responsible for the production of a regulatory molecule polypeptides that permit e. coli to use a specific sugar as a carbon source for metabolic energy. the lac operon acts as a genetic switch to begin sugar break down, but only if
(1) lactose is present in the cell; and
(2) all glucose has been depleted.
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The lac operon is responsible for the production of a regulatory molecule polypeptides that permit e...
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