Botany (M.Phil./Ph.D.) 2019 Panjab University Entrance Exam With Answers

Practice Mode:
37.

Major function of σ-Subunit of E. coli RNA polymerase during transcription is to:

A: Initiate transcription and does not fall off during elongation
B: Decreases affinity of core enzyme to promoter
C: Binds to DNA independent of core enzyme
D: Ensure recognition of promoter region by interacting with core enzyme

The answer is: D

<< Previous Question
Next Question >>