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laurachavarry
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a mind map on gene expression

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laurachavarry
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Gene ExpressionRegulatory geneOperonsTypes of cellsMolecules,Enzymes, andProteinslactose operoninductible operoncan be switched off by thelac repressor, which isactive by itselfinducerrepressorpromotercorepressorthese genes are expressedcontinuously and at a low rate,they also create the repressorProkaryoticEukaryotica single-celled organismthat has a nucleus but noorganellescells found in multicellularorganisms that have anucleus and organellesactivatordifferential geneexpressiona small molecule thatinactivates the repressoran operon whose synthesis isinduced by a chemical signala small molecule that workstogether with the repressor toswitch an operon offbinds to the operator and blocksattachment of RNA ploymerase tothe promoter, preventing thetranscription of genesa protein that binds toDNA and stimulatestranscription of a genea site where RNA polymerasebinds to DNA and beginstranscriptionthe expression of differentgenes by cells with the samegenomeoperatoran "on-off switch" that controls acluster of functionally relatedgenes, it controls the access ofRNA polymerase to the genesthe operator, thepromoter, and thegenes they controlmake up an operonmutation in regulatory genea mutation may lead to theincreased production of a certaingene, which can lead to cancerDoppelklick auf diesen KnotenKlicke und ziehe diese Schaltfläche, um einen neuen Knoten zu erstellen