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Question
Sigma factor is a component of ______.
Options
DNA ligase
DNA polymerase
RNA polymerase
Dissociation factor
MCQ
Fill in the Blanks
Solution
Sigma factor is a component of RNA polymerase.
Explanation:
In bacteria, a sigma factor (particularly factor) is a protein required for transcription start. It's a bacterial transcription initiation factor that allows RNA polymerase (RNAP) to bind to gene promoters in a certain way.
shaalaa.com
Protein Synthesis - Types of RNA and the Process of Transcription
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