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In tryptophan synthesis pathway, tryptop...

In tryptophan synthesis pathway, tryptophan acts as a corepressor. What is its role as a corepressor?

A

It prevents transcription of the genes of the operon

B

It binds to the promoter that blocks the attachment of RNA polymerase

C

It binds to the tryptophan repressor to change it into its active form

D

It binds to the operator gene at an allosteric site to swich off the operon

Text Solution

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The correct Answer is:
C
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