Definition of RNA polymerase

RNA polymerase: A polymerase is an enzyme that catalyzes the joining of many smaller molecules (called monomers) to form a big molecule (a macromolecule). RNA polymerase is a unique enzyme that makes (synthesizes) the macromolecule RNA using DNA as the template. Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=5387
Last Editorial Review: 3/26/1998 2:28:00 PM

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