A promoter region of a gene is best described as:
A) A purine-rich sequence downstream from the start site of transcription.
B) A ribosome-binding site on the mRNA.
C) A site where RNA polymerases bind to DNA to initiate transcription.
D) A site where repressors bind to RNA polymerase to terminate transcription.
E) The first transcribed segment of the gene.
Correct Answer:
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