What Is the Function of the Sigma (S) Subunit of RNA

question 44

Multiple Choice

What is the function of the sigma (s) subunit of RNA polymerase in

• A) It recognizes promoters where transcription should begin.
• B) It contains the active site for synthesis of RNA.
• C) It ensures proper processitvity of the polymerase, so it doesn't stop prematurely.
• D) It is involved in chain termination.
• E) coli?

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