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RNA polymerase binds to and initiates t...

RNA polymerase binds to ______ and initiates transcription.

A

operator

B

promoter

C

regulator

D

terminator

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding Transcription**: Transcription is the process by which RNA is synthesized from a DNA template. This is a crucial step in gene expression. 2. **Identifying the Transcription Unit**: The transcription unit consists of several key regions: the promoter, the coding region, and the terminator. The promoter is the specific region where transcription begins. 3. **Role of RNA Polymerase**: RNA polymerase is the enzyme responsible for synthesizing RNA from the DNA template. It plays a vital role in initiating transcription. 4. **Binding Site**: RNA polymerase binds specifically to the promoter region of the DNA. The promoter contains specific sequences that signal the start of a gene. 5. **Initiation of Transcription**: Once RNA polymerase binds to the promoter, it unwinds the DNA and begins synthesizing RNA, marking the initiation of transcription. 6. **Conclusion**: Therefore, the correct answer to the question is that RNA polymerase binds to the **promoter** to initiate transcription. **Final Answer**: RNA polymerase binds to **promoter** and initiates transcription. ---
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