Transcription regulation

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1. In ___________ the default is 'on', an aporepressor binds with it's co repressor and can then bind to the DNA and stop transcription

  • Repressible transcription
  • Inducible transcripiton
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2. Off really means there is very little synthesis

  • True
  • False

3. When tryptophan binds to trp repressor, the repressor __________

  • Can bind to the operator
  • Can no longer bind to the operator

4. When an inducer binds to the lac repressor _____________

  • Inactivation of the repressor so it can no longer bind to the operon
  • Activation of the repressor so it can bind to the operon

5. The two broad categoties of the mechanisms of regualtion are ___________

  • Positive and negative
  • Inducible and cistronic

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