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Pronunciation: sig'nal


  1. Something that causes an action or conveys information.
  2. A DNA template sequence that alters RNA polymerase transcription.
  3. The end product observed when a specific sequence of DNA or RNA is deleted by some method.
  4. The message transmitted on binding of an agonist to a receptor.
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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.