 | Correct! |
48% of students answered correctly.
Q: | Which of the following is NOT a feature of prokaryotic gene regulation?
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A |
DNA-protein interactions |
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B |
Protein binding that activates transcription |
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C |
Protein binding that inhibits transcription |
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D |
Involvement of the nucleus and cytoplasm for gene expression |
| Why? |
(D) is correct since eukaryotic gene expression - NOT prokaryotic - occurs in both the nucleus (transcription) and cytoplasm (translation). Due to the lack of a defined nucleus, prokaryotic gene expression occurs within the cytoplasm. Interactions between proteins (RNA polymerase) and DNA (the promoter) is prevalent in prokaryotic gene regulation, as is protein-binding that activates transcription (the protein is called an "activator") and protein-binding that inhibits transcription (that protein is called a "repressor"). |
Control of Gene Expression in Prokaryotes |
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