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308-225 |
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1. Do the results show B- galactosidase is an inducible enzyme?
If so what is the inducer?
2. Is catabolite repression demonstrated by any of the
cultures?
3. One of your strains used was wild type, and the other two
were mutants. Based on your observation of the phenotypes of each
strain, and your knowledge of the lac operon, which two are likely
to be the mutants? What gene or region is likely to be mutated in
each of these two strains? explain.
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