What is the function of sigma factor

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Reference no: EM13117302

What is the function of sigma factor?

a. bind to and identify the promoter, and then recruit RNA polymerase holoenzyme

b. act as a subunit of RNA polymerase core enzyme, bind to and identify the promoter

c. identify the transcriptional stop site

d. unwind the DNA to initiate transcription

e. act as a subunit of RNA polymerase holoenzyme, bind to and identify the promoter

Reference no: EM13117302

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