Multiple Choice
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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12. Gene Regulation in Prokaryotes
Lac Operon
Back12. Gene Regulation in Prokaryotes
Lac Operon
- Multiple ChoiceIn the lac operon, the product of the structural gene lacZ is capable of ________.2views
- Multiple ChoiceDiscontinuous replication in DNA is primarily a result of which property?1views
- Multiple ChoiceWhat role do cAMP and CAP play in the transcription of lac operon genes?
- Textbook Question
The CAP binding site in the lac promoter is the location of positive regulation of gene expression for the operon. Identify what binds at this site to produce positive regulation, under what circumstances binding occurs, and how binding exerts a positive effect.
494views - Multiple ChoiceWhich of the following diagrams best represents a system in which the lac operon genes are about to be transcribed?4views
- Multiple ChoiceWhich statement best describes the lac operon in E. coli?2views
- Multiple ChoiceWhat is the function of the lacI gene in the regulation of the lac operon?2views
- Multiple ChoiceWhich of the following conditions will result in maximal expression of the lac operon in E. coli?3views
- Multiple ChoiceWhich of the following events will most likely increase the concentration of lac gene products in an E. coli cell?5views
- Multiple Choice
Which of the following is not a part of an operon?
1882views2rank1comments - Multiple Choice
The lac operon encodes genes that are responsible for what?
804views3rank - Multiple Choice
What happens to the lac operon when lactose concentration is high?
1007views5rank - Multiple Choice
What happens to the lac operon when the CAP/cAMP complex binds to the CAP binding site?
941views2rank - Multiple Choice
Glucose concentration can regulate the lac operon?
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