An inactive repressor produced by a regulator | vedclass

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(A) In the tryptophan $(trp)$ operon,the regulator gene produces an inactive protein called an aporepressor.This aporepressor,by itself,cannot bind to

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Aporepressor

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(A) In the tryptophan $(trp)$ operon,the regulator gene produces an inactive protein called an aporepressor.This aporepressor,by itself,cannot bind to the operator site.When tryptophan levels are high,tryptophan acts as a co-repressor and binds to the aporepressor to form an active repressor complex.This active complex then binds to the operator site to inhibit transcription.

An inactive repressor produced by a regulator gene that does not block the operator site in the tryptophan operon is called:

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