RNA Polymerase (IMAGE)

National Institute of Standards and Technology (NIST)

RNA Polymerase

Caption

This is an artist's conception of an RNA polymerase (globular molecule) creating strands of RNA (exiting the polymerase on the right) from a DNA template (entering the polymerase on the left). Known as RNA transcription, the process is the first step in gene expression, the carrying out of biological functions as directed by DNA. Researchers studying gene expression can use a new NIST software tool to evaluate the performance of their experimental methods and be confident that the results are valid.

Credit

© 2014 John Liebler, <a target="_blank"href="http://www.ArtoftheCell.com">www.ArtoftheCell.com</a>

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