KROK 1 2021 – Question 3 · KROK (Medicine) · Biology

The initiation of transcription process becomes possible when an enzyme DNA-dependent RNA polymerase attaches to a certain segment of DNA molecule. Name this DNA segment:

  1. A. Terminator
  2. B. Promoter
  3. C. Regulator
  4. D. Repressor
  5. E. Suppressor
Hint

Think about the specific nucleotide sequence upstream of a gene that is recognised by RNA polymerase and its initiation factors so that RNA synthesis can start.

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