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In Prokaryotic Transcription, What Must Be Released for the Switch σ\sigma

Question 13

Multiple Choice

In prokaryotic transcription, what must be released for the switch from initiation to elongation to occur?


A) TFIIB
B) ADP following phosphorylation of the RNA polymerase C-terminal domain
C) regulatory subunit bound to the C-terminal domain
D) σ\sigma subunit
E) the TATA-binding protein

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