Question

Sigma factor is a component of ______.

विकल्प

• DNA ligase

• DNA polymerase

• RNA polymerase

• Dissociation factor

Answer 1

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.