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Questions  

In trp operon, the attenuator is region present within the

a
Promoter of the operon
b
Operator of operon
c
Leader sequence of operon
d
trpR of operon

detailed solution

Correct option is C

In trp operon the attenuator is present within the leader sequence prior to the structural gene E. In the presence of Tryptophan it stops the transcription of polycistronic mRNA at this region.

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Similar Questions

Identify the correct match from the following.

List-I

A. George Gamow

B. Franklin and Wilkins

C. Jacob and Monod

D. Severo Ochoa

 

List-II

I. Triplet codon system

II. Used X-ray crystallography to study gross structure of DNA

III. First to elucidate transcriptionally regulated system

IV. Enzymatic synthesis of RNA

 


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