Agents that are not carcinogenic but that assist in the progression and spread of tumors; sometimes called cocarcinogens.

A region of DNA to which RNA polymerase binds before initiating the transcription of DNA into RNA.

Persons who develop or take the initiative in founding or organizing a business venture. Where more than one promoter is involved in a venture, they are described as co-promoters.

Persons involved in the formation of the company. These persons undertake the various acts necessary to organizing of the business and are normally entitled to some profits, ownership interest or payment for their services.