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Various organic compounds consisting of carbon, hydrogen, and oxygen atoms that are found in foods and living tissues; typically broken down to release energy; includes sugars, sugar alcohols, sugar acids and derivatives, glycosyl compounds, and more.
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IPTG is an analog of galactose that is non-metabolizable and inactivates the lac repressor to induce synthesis of -galactosidase in E coli The expression of cloned genes under the control of the lac operon is induced by IPTG It is also a substrate for thigalactoside transacetylase and has been reported to induce penicillinase in bacteria
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