What Do $\sigma$ Factors Bind to in RNA Synthesis?
A) DNA Promoters and DNA

question 71

Multiple Choice

What do $\sigma$ factors bind to in RNA synthesis?

• A) DNA promoters and RNA polymerase
• B) RNA promoters and DNA
• C) DNA and RNA
• D) transcription factors

---

Definitions:

Hormone

A chemical substance produced in the body that regulates and controls the activity of certain cells or organs.

Bloodstream

The flowing body fluid that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells.

Antagonist

A substance or character that opposes or inhibits the action of another in a particular situation or story.

Neurotransmitter

A neurotransmitter is a chemical substance that transmits signals across a synapse from one neuron to another in the nervous system.