Genetics And Evolution Molecular Basis Of Inheritance 7-P-7

Question: Which factor plays a crucial role in guiding RNA polymerasee to the promoter region of DNA during transcription initiation in prokaryotes?

  • (A) Introns
  • (B) Exons
  • (C) Sigma factor
  • (D) Poly-A tail

Answer: (C) Sigma factor



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