In EColi Cell with the Genotype Lac $O ^ { c }$

question 26

Multiple Choice

In E.coli cell with the genotype lac $O ^ { c }$ $Z ^ { + }$ $Y ^ { - }$ $A ^ { - }$ would make which of the following protein products and in what manner?

• A)LacZ,induced
• B)LacZ and Lac A,induced
• C)LacY,constitutive
• D)LacZ,constitutive
• E)LacZ and LacA,constitutive

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