12. Gene Regulation in Prokaryotes

Lac Operon

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Glucose concentration can regulate the lac operon?
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Which of the following is not a part of an operon?
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Which of the following describes an arrangement of genes consisting of an operator, promoter, and structural genes that regulate lactose metabolism in E. coli?
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What happens to the lac operon when the CAP/cAMP complex binds to the CAP binding site?
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In the lac operon, the product of the structural gene lacZ is capable of ________.
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What happens to the lac operon when lactose concentration is high?
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Discontinuous replication in DNA is primarily a result of which property?
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What role do cAMP and CAP play in the transcription of lac operon genes?
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Which of the following diagrams best represents a system in which the lac operon genes are about to be transcribed?
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Which statement best describes the lac operon in E. coli?
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What is the function of the lacI gene in the regulation of the lac operon?
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Which of the following conditions will result in maximal expression of the lac operon in E. coli?
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Which of the following events will most likely increase the concentration of lac gene products in an E. coli cell?
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The lac operon encodes genes that are responsible for what?
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