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单词 promoter
释义 promoter
 /preuh moh"teuhr/,  n.  
  1. a person or thing that promotes, furthers, or encourages.
  2. a person who initiates or takes part in the organizing of a company, development of a project, etc.
  3. a person who organizes and provides financial backing for a sporting event or entertainment.
  4.  Chem.   any substance that in small amounts is capable of increasing the activity of a catalyst.
  5. Also called collector. Metall. a water-repellent reagent enhancing the ability of certain ores to float so that they can be extracted by the flotation process.
  6.  Genetics.  
   a. a site on a DNA molecule at which RNA polymerase binds and initiates transcription.
   b. a gene sequence that activates transcription.
  7.  Obs.   an informer.
 [1400-50; late ME; see PROMOTE, -ER1; r. earlier promotour < AF]
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更新时间:2025/2/2 15:55:53