What is the role of the sigma factor in bacterial transcription?

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It catalyzes the formation of peptide bonds during translation

It synthesizes mRNA from a DNA template

It stabilizes the mRNA molecule

It binds to the promoter region to initiate transcription

Answer: It binds to the promoter region to initiate transcription

Explanation:

The sigma factor is a protein subunit of bacterial RNA polymerase that recognizes and binds to specific sequences in the promoter region of DNA, facilitating the initiation of transcription.

MCQ Detail

What is the role of the sigma factor in bacterial transcription?

Explanation:

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