LAC GENES
\lˈak d͡ʒˈiːnz], \lˈak dʒˈiːnz], \l_ˈa_k dʒ_ˈiː_n_z]\
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The genetic unit consisting of three structural genes, an operator and a regulatory gene. The regulatory gene controls the synthesis of the three structural genes: BETA-GALACTOSIDASE and beta-galactoside permease (involved with the metabolism of lactose), and beta-thiogalactoside acetyltransferase.
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Word of the day
hydromorphic
- [Greek] Structurally adapted to an aquatic environment, as organs of water plants.