Podcast
Questions and Answers
What is the purpose of the 5' cap added to mRNA during posttranscriptional modifications?
What is the purpose of the 5' cap added to mRNA during posttranscriptional modifications?
- Stabilizes the mRNA molecule in the cytoplasm
- Protects mRNA from enzymatic degradation (correct)
- Initiates transcription
- Facilitates translation
What is the role of the poly(A) tail in mRNA processing?
What is the role of the poly(A) tail in mRNA processing?
- Promoting splicing of exons
- Initiating translation
- Stabilizing the RNA molecule in the cytoplasm (correct)
- Excising introns
Which signal marks the beginning of the coding region in eukaryotes?
Which signal marks the beginning of the coding region in eukaryotes?
- AUG triplet (correct)
- Poly(A) tail
- 5' cap
- RNA splicing
What occurs during RNA splicing in eukaryotes?
What occurs during RNA splicing in eukaryotes?
What is the term used to describe an mRNA molecule that may encode several different polypeptide chains in prokaryotes?
What is the term used to describe an mRNA molecule that may encode several different polypeptide chains in prokaryotes?
Which enzyme is responsible for the release of the transcribed RNA molecule from the DNA template?
Which enzyme is responsible for the release of the transcribed RNA molecule from the DNA template?
Which strand of DNA is responsible for producing the antisense strand in the next generation?
Which strand of DNA is responsible for producing the antisense strand in the next generation?
What is the main function of the sense strand during transcription?
What is the main function of the sense strand during transcription?
In bacteria, how does RNA polymerase bind to DNA to start synthesis?
In bacteria, how does RNA polymerase bind to DNA to start synthesis?
What is the function of transcription factors (TF) during gene expression?
What is the function of transcription factors (TF) during gene expression?
What is the role of the promoter in transcription initiation?
What is the role of the promoter in transcription initiation?
Which stage of transcription involves RNA polymerase binding to the DNA template at the promoter region?
Which stage of transcription involves RNA polymerase binding to the DNA template at the promoter region?
What is the main function of enhancers in transcription regulation?
What is the main function of enhancers in transcription regulation?
Which step is NOT involved in the formation of the transcription initiation complex?
Which step is NOT involved in the formation of the transcription initiation complex?
During RNA Chain Elongation, in which direction does chain elongation proceed?
During RNA Chain Elongation, in which direction does chain elongation proceed?
What is the main role of DNA binding proteins in transcription regulation?
What is the main role of DNA binding proteins in transcription regulation?
Which enzyme is responsible for RNA synthesis during transcription?
Which enzyme is responsible for RNA synthesis during transcription?
What triggers the termination of RNA synthesis during transcription?
What triggers the termination of RNA synthesis during transcription?
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