Prokaryotic Gene Expression
About the Lecture
The lecture Prokaryotic Gene Expression by Georgina Cornwall, PhD is from the course Gene Regulation.
Included Quiz Questions
Prokaryotic genes are regulated at which of the following levels?
- Transcription
- DNA replication
- Reverse transcription
- Translation
- DNA repair
What is an operon?
- A cluster of coregulated genes under the control of a single promoter
- A structural unit of mitochondrial DNA composed of a cluster of genes under the control of two different promoters
- A structural unit of mitochondrial DNA composed of only the operator region
- A structural unit found in eukaryotes but not in prokaryotes
- A single gene under the control of a single promoter
Which of the following is paired incorrectly?
- Operator – a region on the operon that is transcribed into mRNA
- Promoter – a region on the operon where RNA polymerase binds
- Regulatory region – the promoter, operator, and genes for regulatory proteins
- Positive-control regulatory genes – activator proteins
- Negative-control regulatory genes – repressor proteins
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Author of lecture Prokaryotic Gene Expression
Georgina Cornwall, PhD
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