BIOL 111 Lecture Notes - Lecture 26: Catabolite Activator Protein, Organic Compound, Disaccharide
Document Summary
Fe e dba ck inhibition of me ta bolic e nzyme s if the y"re a lre a dy pre s e nt. Operons: ope rons : clus te rs of ge ne s ; cons is ts of ope ra tor, promote r a nd ge ne s for me ta bolic e nzyme s, operator: on/off s witch. In trp, the ope ra tor a nd more trp re pre s s or mole cule s bind a nd s hut down production of trp. Induce r: s ma ll s pe cific mole cule ina ctiva te s the re pre s s or: allola ctos e - na me of induce r in this e xa mple. In a bs e nce of la ctos e , re pre s s or is in a ctive s ha pe a nd ge ne s a re s ile nce d.
