PROKARYOTIC AND EUKARYOTIC GENOME

5. Explain how tryptophan acts as a corepressor.__________________________________________________________________________________________________________________________6. Match these components of the lac operon with their functions.______ β-galactosidase A. is inactivated whenattached to lactose______ cAMP-CAP complex B. codes for synthesis ofrepressor______ lactose C. hydrolyzes lactose______ operator D. stimulates geneexpression______ promoter E. repressor attaches here______ regulator gene F. RNA polymerase attacheshere______ repressor G. acts as inducer thatinactivates repressor______ structural gene H. codes for an enzyme7. Listed below are characteristics of repressible and inducible enzymes.Identify each of the following as true of repressible or inducible enzymes.______ genes are switched off until a specific metabolite inactivates therepressor______ genes are switched on until a specific metabolite activates therepressor______ Generally function in anabolic pathways______ Usually function in catabolic pathways______ Pathway end product switches off its own production______ Enzyme synthesis is switched on by the nutrient in used in thepathwayMolecular Genetics Activity #7 page 8