Q:

Where does RNA polymerase bind to the DNA it is transcribing?

A:

Quick Answer

According to a North Dakota State University web page, the RNA polymerase binds to the part of the original DNA known as the promoter. This is because the promoter site includes special sequences vital to the binding process, which is true in both prokaryotic and eukaryotic cells.

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Full Answer

NDSU also states that RNA polymerase has specific factors, or enzymes, that are necessary for binding at the promoter region, and binding only occurs when these factors are present. This makes it less likely that the RNA polymerase binds to non-specific targets, which lowers its efficacy and makes it more difficult for DNA transcription to successfully occur.

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