promoter

promoter definition - medical

pro·mot·er (prə-mōˈtər)

noun
  1. A substance that increases the activity of a catalyst.
  2. A DNA molecule to which RNA polymerase binds, initiating the transcription of mRNA.
  3. A chemical that may promote carcinogenicity or mutagenicity.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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