MCQ
Regulatory proteins are the accessory proteins that interact with $\text{RNA}$ polymerase and affect its role in transcription. Which of the following statements is correct about regulatory protein?
- AThey only increase expression.
- BThey only decrease expression.
- CThey interact with $\text{RNA}$ polymerase but do not affect the expression.
- ✓They can act both as activators and as repressors.