|1.||a person or thing that promotes|
|2.||a person who helps to organize, develop, or finance an undertaking|
|3.||a person who organizes and finances a sporting event, esp a boxing match|
|4.||chem a substance added in small amounts to a catalyst to increase its activity|
|5.||genetics a sequence of nucleotides, associated with a structural gene, that must bind with messenger RNA polymerase before transcription can proceed|
promoter pro·mot·er (prə-mō'tər)
A substance that increases the activity of a catalyst.
A DNA molecule to which RNA polymerase binds, initiating the transcription of mRNA.
A chemical that may promote carcinogenicity or mutagenicity.
|promoter (prə-mō'tər) Pronunciation Key
The region of an operon that acts as the initial binding site for RNA polymerase.