What are promoters and poisons
In chemistry Class 12
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Substances which themselves are not catalysts, but when mixed in small quantities with the catalysts increase their efficiency are called as promoters or activators. ... Catalytic poisons : Substances which destroy the activity of the catalyst by their presence are known as catalytic poisons.
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A promoter is a sequence of DNA needed to turn a gene on or off. The process of transcription is initiated at the promoter. Usually found near the beginning of a gene, the promoter has a binding site for the enzyme used to make a messenger RNA (mRNA) molecule.
A poison is anything that can cause sickness or death if it gets into or on the body. Poisons come in several forms: Gases.
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