Transcription 1: General Principles-n week 3
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Questions and Answers

Sigma factor is needed during which stage(s) of transcription? A. Initiation

  • intiation (correct)
  • elongation
  • termination
  • . All of the above

    • RNA polymerase is able to open the DNA double helix as it moves down the template. What type of enzymatic activity does this mean RNA polymerase must possess?

  • polymerase activity
  • exonuclease activity
  • helicase activity (correct)
  • primase activity

    • Which of the following statements about the segment of DNA below is TRUE?

  • There are two possible transcripts that are both transcribed on the same strand.
  • There are two possible transcripts that are transcribed on opposite strands of the helix (correct)
  • There are two possible transcripts that both occur in the same reading frame
  • There are two possible transcripts that will result in identical proteins

    • Within a promoter, a transcriptional start site is

    <p>transcription start site located +1 where first base is used as template for transcription</p> Signup and view all the answers

    Which of the following occurs first in bacterial transcription?

    <p>formation of holoenzyme</p> Signup and view all the answers

    Which of the following base sequences is used in transcription?

    <p>Promoter and terminator</p> Signup and view all the answers

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