Other questions in this quiz

2. What is not true about Bicoid?

  • It is responsible for development of head structures
  • Bicoid mutants show no posterior structures
  • It activates Hunchback gene
  • It is a transcription factor

3. Which is not a muscle-specific protein?

  • Tropomyosin
  • Creatine
  • Keratin
  • Phosphate kinase

4. Which statement is correct?

  • One transcription factor can activate and/or repress more than one gene
  • Transcription can only be regulated by intrinsic factors
  • Most genes are initially active
  • The transcription initiation complex forms when DNA polymerase binds to a promotor region

5. What is a morphogen?

  • A chemical produced throughout a cell
  • A chemical which causes mutations
  • A chemical which forms a concentration gradient
  • A molecule which is sensed by cell-surface receptors

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