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Induced fit in an enzyme refers to ____________________

(a) error

(b) loop

(c) conformational change

(d) torsional change

I have been asked this question by my college professor while I was bunking the class.

My question is taken from Bioenergetics in section Bioenergetics, Enzymes, Metabolism, Genes, Chromosomes and Genomes of Cell Biology

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Right answer is (c) conformational change

Explanation: Induced fit of an enzyme refers to the conformational change that arises when a substrate molecule comes and binds to an enzyme. As these conformational changes arise, mechanical work is performed the enzyme exerts physical force on certain bonds within the substrate. This has an effect of destabilizing the enzyme, causing it to adopt a transition state in which this strain is relieved.

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