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NEETZoologyMolecular Basis of Inheritance

Which of the following statements is correct about the role of regulatory proteins in transcription in prokaryotes?

Options

  1. AThey only increase expression
  2. BThey only decrease expression
  3. CThey interact with RNA polymerase but do not affect the expression
  4. DThey can act both as activators and as repressors

Correct answer

D. They can act both as activators and as repressors

Step-by-step solution

Regulatory proteins in transcription in prokaryotes can both upregulate and downregulate the process.

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