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Questions and Answers
What replaces deoxyribose in RNA?
What replaces deoxyribose in RNA?
- Helicase
- Ribose (correct)
- Thymine
- Uracil
Which nitrogenous base replaces thymine in RNA?
Which nitrogenous base replaces thymine in RNA?
- Deoxyribose
- Uracil (correct)
- Ribose
- Helicase
Which class of cellular RNAs functions during gene expression?
Which class of cellular RNAs functions during gene expression?
- rRNAs
- tRNAs
- mRNAs (correct)
- DNA polymerases
What is the enzyme that directs RNA synthesis during transcription?
What is the enzyme that directs RNA synthesis during transcription?
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What is the function of the sigma factor in RNA transcription?
What is the function of the sigma factor in RNA transcription?
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What are the two consensus sequences found in E. coli promoters?
What are the two consensus sequences found in E. coli promoters?
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Which RNA polymerase is responsible for the transcription of a wide range of genes in eukaryotes?
Which RNA polymerase is responsible for the transcription of a wide range of genes in eukaryotes?
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What type of sequences influence the efficiency of transcription initiation by RNAP II?
What type of sequences influence the efficiency of transcription initiation by RNAP II?
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What is the role of enhancers and silencers in eukaryotic transcription?
What is the role of enhancers and silencers in eukaryotic transcription?
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Which post-transcriptional modification involves the removal of introns and joining of exons?
Which post-transcriptional modification involves the removal of introns and joining of exons?
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