Question

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

09 Feb 2026
Answer :
Word Count : 232
Prokaryotic RNA polymerase is a multi-subunit enzyme responsible for transcribing DNA into RNA. It consists of a core enzyme and a sigma factor. The core enzyme is made up of five subunits: two alpha (α) subunits, one beta _____ ___ _______ _________ ___ ______ _______ _________ _________ ______ _______ ___.
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