In the Lac Operon,a Mutation in the Operator,LacO,that Prevents Repressor

question 46

Multiple Choice

In the lac operon,a mutation in the operator,LacO,that prevents repressor binding will cause which of the following changes compared to wild type cells?

• A) more expression of the lac operon when lactose is present
• B) more expression of the lac operon when lactose is absent
• C) less expression of the lac operon when lactose is present
• D) less expression of the lac operon when lactose is absent

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Self-Identity Stage

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