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For Each of the Following E β\beta -Galactosidase and Permease Is Inducible (I), Constitutive (C), or Negative

Question 5

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For each of the following E. coli partial diploid strains, indicate whether expression of
β\beta -galactosidase and permease is inducible (I), constitutive (C), or negative (no product made)(N). Assume glucose levels are very low. Which of the strains are able to use lactose as their sole carbon source? For each of the following E. coli partial diploid strains, indicate whether expression of \beta -galactosidase and permease is inducible (I), constitutive (C), or negative (no product made)(N). Assume glucose levels are very low. Which of the strains are able to use lactose as their sole carbon source?

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