Answer :

Final answer:

A promoter is a DNA sequence where RNA polymerase binds to initiate transcription upstream of genes.


Explanation:

A promoter is a DNA sequence where RNA polymerase and associated factors bind to initiate transcription. Promoters are usually located upstream of genes and serve as binding sites for proteins called transcription factors. For example, typical promoter elements include the TATA box and CpG island.


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