Multiple Choice
Which gene transfer method involves the uptake of free DNA by competent bacterial cells?
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16. Regulation of Expression
Prokaryotic Gene Regulation via Operons
Back16. Regulation of Expression
Prokaryotic Gene Regulation via Operons
- Multiple ChoiceHow many distinct proteins are produced from the pmocab operon in prokaryotes?1views
- Multiple ChoiceFor a repressible operon to be transcribed, which of the following conditions must occur?1views
- Multiple ChoiceWhich of the following are the three main methods of gene transfer in bacteria?1views
- Multiple ChoiceWhich of the following is constitutively (always) expressed in a prokaryotic cell?1views
- Multiple ChoiceWhich of the following is an example of positive control in operons?1views
- Multiple ChoiceHow do bacterial regulatory proteins mediate negative control of transcription in prokaryotic cells?1views
- Multiple Choice
Which of the following statements is FALSE?
2views - Multiple ChoiceIn an inducible operon, the inducer is often the __________ in the pathway being regulated; the inducer binds to the __________, which then becomes __________.2views
- Multiple Choice
When this is present in the cell, it binds to the repressor and the repressor can no longer bind to the operator:
2views - Multiple ChoiceWhat is the primary advantage of operon organization in bacteria?1views
- Multiple ChoiceThe following diagram shows an operon that is normally turned off but can be activated in the presence of a specific substrate (e.g., lactose). Which type of operon is depicted?1views
- Multiple Choice
Which of the following is true about operons?
4views - Multiple ChoiceWhich of the following RNA processing mechanisms occur in prokaryotes?1views
- Multiple ChoiceBoth repressible and inducible operons control gene expression at the level of __________.3views