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Which of the following transcription factor complexes separates the two strands of DNA template to form the open complex?A) TFIIA B) TFIIB C) TFIID D) TFIIE E) TFIIHWhich of the following transcription factor complexes is the first to bind to a eukaryotic promoter?A) TFIIA B) TFIIB C) TFIID D) TFIIE E) TFIIHDescribe the advantages for an organisms to contain introns in its gene?

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Casey Durgan
Casey DurganLv2
28 Sep 2019

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Related questions

Which of the following statements are true?

a. All eukaryotic genes contain enhancers, one or more proximal elements, and a core promoter with TATA box.

b. TFIID is required for RNA polymerase to bind at proximal elements.

c. Enhancers can be located upstream or downstream of genes or even within introns.

d. General transcription factors are required for RNA polymerase to bind at enhancer regions.

e. two of the above statements are true

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)

During transcription in eukaryotes, a type of RNA polymerase called RNA polymerase II moves along the template strand of the DNA in the 3'→5' direction. However, for any given gene, either strand of the double-stranded DNA may function as the template strand. Which of the following initially determines which DNA strand is the template strand, and therefore in which direction RNA polymerase II moves along the DNA?

A. the location of specific proteins (transcription factors) that bind to the DNA

B. the specific sequence of bases along the DNA strands

C. the location along the chromosome where the double-stranded DNA unwinds

D. the position of the gene’s promoter on the chromosome

E. which of the two strands of DNA carries the RNA primer

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