Question: What is the significance of the promoter region in a gene?

Options:

1. It codes for the protein
2. It is where RNA polymerase binds to initiate transcription
3. It terminates transcription
4. It is a coding sequence

Correct Answer: It is where RNA polymerase binds to initiate transcription

Solution:

The promoter region is a specific sequence of DNA where RNA polymerase binds to initiate the transcription of a gene.