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​ During Which Phase Do the β'- and σ -Subunits

Question 103

Multiple Choice

​ During which phase do the β'- and σ -subunits of RNA polymerase melt 14 base pairs surrounding the transcription start site, causing the strands to separate?


A) chain initiation
B) chain elongation
C) intrinsic chain termination
D) rho-dependent chain termination

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