What Is the Function of the Sigma ( σ )

question 49

Multiple Choice

What is the function of the sigma ( σ ) subunit of RNA polymerase in E. coli ?

• A) It recognizes promoters where transcription should begin.
• B) It contains the active site for synthesis of RNA.
• C) It ensures proper processitvity of the polymerase, so it doesn't stop prematurely.
• D) It is involved in chain termination.
• E) It scrunches the DNA

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Definitions:

Emotional Responses

The feelings or emotions elicited from an individual when exposed to certain stimuli or situations.

Media

The communication channels through which news, entertainment, education, data, or promotional messages are disseminated.

Medium

A means or channel through which information or data is communicated or transmitted.

Purpose

The purpose behind the creation, existence, or motive behind an action.