A Mutant Strain of E

question 25

Multiple Choice

A mutant strain of E. coli is found that produces both -galactosidase and permease constitutively. What are the MOST likely mutations in this strain?

• A)lacO^c
• B)lacI^-
• C)lacP^-
• D)mutation in CRP-cAMP binding site
• E)lacZ^- and lacY^-

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