First slide

Regulation of Gene Expression

Question

In trp operon, the attenuator is region present within the

Difficult

A

Promoter of the operon
B

Operator of operon
C

Leader sequence of operon
D

trpR of operon

Solution

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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