The Role of the Sigma $\sigma$ ) Factor in Prokaryote Transcription Is to
A) Unwind the Prokaryote

Multiple Choice

The role of the sigma ( $\sigma$ ) factor in prokaryote transcription is to

A) unwind the DNA during transcription.
B) direct RNA polymerases to bind to different promoter regions.
C) recognize the transcription initiation site.
D) terminate transcription.