What are promoters ?
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in chemistry
any substance that in small amounts is capable of increasing activity of catalyst.
eg:tin added to platinum reforming
in genetics
a site on DNA molecule at which RNA polymerase binds and initiates transcription
or
a gene sequence that activates transcription.
any substance that in small amounts is capable of increasing activity of catalyst.
eg:tin added to platinum reforming
in genetics
a site on DNA molecule at which RNA polymerase binds and initiates transcription
or
a gene sequence that activates transcription.
Anonymous:
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Answered by
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they are the chemical substances that are added to solid catalysts to improve its performance in a chemical reaction..but by itself it has little or no catalytic effect..
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