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Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYMolecular Basis of Inheritance1 Mark
MCQ
Regulatory proteins are the accessory proteins that interact with RNA polymerase and affect its role in transcription. Which of the following statements is correct about regulatory protein?
  • A
    They only increase expression.
  • B
    They only decrease expression.
  • C
    They interact with RNA polymerase but do not affect the expression.
  • D
    They can act both as activators and as repressors.
✓

Answer

  1. They can act both as activators and as repressors.

Regulatory proteins are the accessory proteins that interact with RNA polymerase and affect its role in transcription. They can act both as activators and as repressors.

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