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promoter |
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promoter 1. Chem a substance added in small amounts to a catalyst to increase its activity 2. Genetics a sequence of nucleotides, associated with a structural gene, that must bind with messenger RNA polymerase before transcription can proceed promoter [prə′mōd·ər] (chemistry) A chemical which itself is a feeble catalyst, but greatly increases the activity of a given catalyst. (genetics) The site on deoxyribonucleic acid to which ribonucleic acid polymerase binds preparatory to initiating transcription of a gene or an operon. 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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| These processes include DNA damage in promotor regions of genes with reduced expression and a reduction in base-excision DNA repair associated with oxidative stress and impaired mitochondrial function. Because the amino acid sequence of the heat-shock protein and the amino acid sequence of the promotor region are highly conservative (153, we propose that the intrauterine device might have induced the expression of hsp60, which became the source of antigenic stimulation for an autopathologic immune response. In 2001, abortion promotor IPAS advised potential clients that its manual vacuum aspirators (for village abortions) were listed in the UNICEF warehouse catalogue. |
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