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1 Apr 2018

Which subunit of RNA polymerase II resembles the alpha subunit of RNA polymerase? What is the evidence for this match?

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Related questions

What kinase phosphorylates serine 2 of the repeat sequence in the C-terminal domain of the largest subunit of RNA polymerase II?

Select one:

a. cycT

b. cdk2

c. cdk7

d. cdk9

e. cycH

What steps in the eukaryotic transcription cycle are stimulated by phosphorylation of the carboxyl terminal (CTD) of the large subunit of RNA polymerase II and beyond?

Check all that apply.

promoter escape

efficient termination
efficient elongation
recruitment of factors required for initiation
recruitment of factors required for RNA processing

Eukaryotic transcription normally takes place on a chromatin template at nuclease-accessible sites.(True/False)

*After promoter clearance by RNA polymerase II:

A) all associated factors remain bound to the polymerase for elongation.

B) a subset of factors remain at the promoter region.

*Which of the following statements is FALSE?

A) RNA polymerase II is responsible for the transcription of genes encoding protein-coding sequences only.

B) Many promoters recognized by RNA polymerase II contain regulatory elements several kbp upstream of the initiation site.

C) TFIIB has a role in converting a closed-promoter into an open-promoter complex.

D) The C-terminal domain of the largest subunit of RNA pol II undergoes extensive phosphorylation prior to transcription elongation.

E) A multiprotein complex is involved in communication between upstream control elements and proteins bound at the promoter.

C) no further elongation factors are acquired by the polymerase.

D) no further chromatin remodeling is required.

E) transcription continues until the polymerase reaches the poly (A) tail

*In eukaryotes RNA polymerase I transcribes all of the ribosomal RNA components.(TRUE/FALSE)

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