T.11 Factores generales de transcripción (GTFs)
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Questions and Answers

What is the main difference between TFIID in RNA Pol II and SL1 in RNA Pol I?

  • SL1 is composed of 12 subunits, whereas TFIID is composed of 11 subunits
  • TFIID is composed of 11 TAFs and TBP, whereas SL1 is composed of TBP and TAFs type I (correct)
  • TFIID is a dimer, whereas SL1 is a complex of TBP and TAFs type I
  • TFIID contains TBP, whereas SL1 does not

What is the function of TFIIS in RNA Pol II?

  • It helps to unwind DNA during transcription
  • It helps to initiate transcription
  • It helps to release stalled polymerases (correct)
  • It helps to translate RNA into protein

What is the difference between TFIIA in RNA Pol II and TFIIA in RNA Pol III?

  • TFIIA is not present in RNA Pol III
  • TFIIA is a monomer in RNA Pol II, but a dimer in RNA Pol III
  • TFIIA is a dimer in RNA Pol II, but a monomer in RNA Pol III (correct)
  • TFIIA is a heterotrimer in RNA Pol II, but a dimer in RNA Pol III

What is the function of TFIIE in RNA Pol II?

<p>It's an elongation factor (A)</p> Signup and view all the answers

What is the composition of TFIID in RNA Pol II?

<p>11 TAFs and TBP (C)</p> Signup and view all the answers

What is the function of TFIIF in RNA Pol II?

<p>It is a helicase that helps to initiate transcription (A)</p> Signup and view all the answers

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