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All of the following are part of an oper...

All of the following are part of an operon except

A

an enhancer

B

structural genes

C

an operator

D

a promoter

Text Solution

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Except enhancer, all the given components are parts of an operon, Enhancer sequences are present in eukaryotes that, when bound by specific proteins or transcription factors, enhance the trascription of an associated gene. On the other hand , operon is a regulatory unit of DNA containing a cluster of genes in prokaryotes.
The promoter of operon is the site where RNA polymerase binds .
The promoter of operon is the site where RNA polymerase binds . The operator acts as on-off switch to control transcription. The structural genes code for enzymes involved in metabolic pathway.
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