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Feedback inhibition occurs due to _______(a) Excess of the reactants in the reaction(b) Presence of competitive inhibitor(c) Increase in product to a certain level(d) Presence of irreversible inhibitorThis question was addressed to me during a job interview.The question is from Enzymes as Biological Catalysts in division Bioenergetics, Enzymes, Metabolism, Genes, Chromosomes and Genomes of Cell Biology

Answer»

The CORRECT CHOICE is (c) Increase in product to a certain level

The BEST I can EXPLAIN: Feedback inhibition refers to the inhibition of enzyme activity when a certain end product is increased beyond a certain level. Due to accumulation of the product, the enzyme does form the enzyme-substrate complex in order to form the product, which is already in excess.



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