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lac operon |
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lac operon the lactose operon, a nucleotide sequence in Escherichia coli that controls the synthesis of the enzyme β-galactosidase comprising binding sequence motifs for the cap protein, which activates transcription, the repressor protein, which inhibits transcription, and a region with which RNA polymerase interacts. The first, best studied and best understood model for gene regulation. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| X-Chromosome activity of the mouse primordial germ cells revealed by the expression of an X-linked LacZ transgene. The interactions of Orf9 with Nif proteins were detected by analyzing the expression of the reporter genes, the lacZ and bla. PCR for the lacZ gene, which is present in almost all wildtype strains of E. |
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