Question

 

Describe the structure and function of prokaryotic RNA polymerase and the role of the sigma factor in transcription initiation. 

10 Feb 2026
Answer :
Word Count : 250
Prokaryotic RNA polymerase is a multi-subunit enzyme responsible for synthesizing RNA from a DNA template during transcription. The core enzyme consists of five subunits: two alpha (α) subunits, one beta (β) subunit, one beta prime (β') subunit, and one omega (ω) subunit. These subunits are responsible for the catalytic activity of RNA polymerase and the structural integrity required for the enzyme's function. _______ ________ _____ __________ ____.
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