The end product of a metabolic pathway binds | vedclass

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Question

(C) In the regulation of gene expression,specifically in the $trp$ operon,the end product (tryptophan) acts as a $Co-repressor$.When the concentration

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Co-repressor

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(C) In the regulation of gene expression,specifically in the $trp$ operon,the end product (tryptophan) acts as a $Co-repressor$.When the concentration of the end product is high,it binds to the inactive repressor protein (apo-repressor).This binding activates the repressor,allowing it to bind to the operator site.Once bound to the operator,the repressor prevents $RNA$ polymerase from transcribing the structural genes,thereby stopping the metabolic pathway.Therefore,the end product that facilitates this repression is known as a $Co-repressor$.

The end product of a metabolic pathway binds to the operator to make it more active,so that it can easily bind with the repressor. In this case,the end product is called a/an ......

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