Multiple Choice
Which of the following is an example of positive control in operons?
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16. Regulation of Expression
Prokaryotic Gene Regulation via Operons
Back16. Regulation of Expression
Prokaryotic Gene Regulation via Operons
- Multiple ChoiceHow do bacterial regulatory proteins mediate negative control of transcription in prokaryotic cells?370views
- Multiple ChoiceWhat is the primary advantage of operon organization in bacteria?346views
- 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?24views
- Multiple ChoiceWhich of the following RNA processing mechanisms occur in prokaryotes?253views
- Multiple Choice
Altering patterns of gene expression in prokaryotes would likely increase a prokaryote's survival by _______.
3167views13rank - Multiple Choice
Which of the following is true about operons?
2794views15rank - Multiple Choice
Which of the following molecules is a protein that stops the transcription of a gene?
2052views11rank - Multiple Choice
When this is present in the cell, it binds to the repressor and the repressor can no longer bind to the operator:
2285views14rank - Multiple Choice
Which of the following statements is FALSE?
2530views15rank - Multiple ChoiceIn prokaryotic genomes, groups of functionally related genes along with their promoters and operators are found together in __________.1209views
- Multiple ChoiceIn an inducible operon, the inducer is often the __________ in the pathway being regulated; the inducer binds to the __________, which then becomes __________.1505views
- Multiple ChoiceBoth repressible and inducible operons control gene expression at the level of __________.1302views
- Textbook QuestionIn the lac operon, the repressor inhibits transcription whena. the repressor is bound to the inducer.b. the repressor is not bound to the inducer.c. the repressor is bound to glucose.d. the repressor is not bound to the operator.1072views
- Textbook Question
In the lac operon, the repressor inhibits transcription when
a. The repressor is bound to the inducer.
b. The repressor is not bound to the inducer.
c. The repressor is bound to glucose.
d. The repressor is not bound to the operator.
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