The σ70 subunit in E.coli RNA polymerase acts as a(n)________.
A)repressor
B)sliding clamp
C)helicase
D)initiation factor

Name: The σ70 subunit in E.coli RNA polymerase acts as a(n)________. A)repressor B)sliding clamp C)helicase D)initiation factor
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Quizplus · Accepted Answer

The σ70 subunit in E.coli RNA polymerase acts as an initiation factor, specifically recognizing and binding to the promoter region of DNA to initiate transcription.

The σ70 Subunit in E