Podcast
Questions and Answers
Which subunit of RNA polymerase II is responsible for trapping the template DNA strand and transcript during formation of the transcribing complex?
Which subunit of RNA polymerase II is responsible for trapping the template DNA strand and transcript during formation of the transcribing complex?
- Clamp domain (correct)
- Wall domain
- RPB2 subunit
- Bridge α helix
What ion participates in the catalysis of phosphodiester bond formation during RNA transcription by RNA polymerase II?
What ion participates in the catalysis of phosphodiester bond formation during RNA transcription by RNA polymerase II?
- Na+
- Ca2+
- Mg2+ (correct)
- K+
Which region of RNA polymerase II is thought to bend and straighten as the polymerase translocates one base down the template strand?
Which region of RNA polymerase II is thought to bend and straighten as the polymerase translocates one base down the template strand?
- RPB2 subunit
- Wall domain
- Clamp domain
- Bridge α helix (correct)
Which of the following is NOT a conserved element that highly regulates RNA polymerase II-transcribed genes?
Which of the following is NOT a conserved element that highly regulates RNA polymerase II-transcribed genes?
During RNA transcription, what does the bridge α helix in RNA polymerase II extend across?
During RNA transcription, what does the bridge α helix in RNA polymerase II extend across?
Which element helps couple clamp closure in RNA polymerase II to the presence of RNA during transcription?
Which element helps couple clamp closure in RNA polymerase II to the presence of RNA during transcription?
What are the core regulatory elements that highly regulate RNA polymerase II-transcribed genes known as?
What are the core regulatory elements that highly regulate RNA polymerase II-transcribed genes known as?
Which type of promoters are shown in the Core promoter elements of non-CpG island promoters in metazoans?
Which type of promoters are shown in the Core promoter elements of non-CpG island promoters in metazoans?
What site(s) do transcriptional activators bind to in relation to the promoter?
What site(s) do transcriptional activators bind to in relation to the promoter?
What element forces the template DNA to bend before exiting the polymerase during RNA transcription?
What element forces the template DNA to bend before exiting the polymerase during RNA transcription?
