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(B) In the context of gene regulation,an operon is a cluster of genes under the control of a single promoter. An $Inducer$ is a small molecule that tr

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Inducer

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(B) In the context of gene regulation,an operon is a cluster of genes under the control of a single promoter. An $Inducer$ is a small molecule that triggers the transcription of an operon by binding to the repressor protein. When the $Inducer$ binds to the repressor,it changes the shape of the repressor,preventing it from binding to the operator region. This allows $RNA$ polymerase to bind to the promoter and initiate transcription. For example,in the $lac$ operon,lactose acts as the $Inducer$.

An environmental agent that triggers transcription from an operon is a:

Similar Questions

In $lac$ operon,$z$ gene codes for:

Structural gene is monocistronic $- P$
Structural gene is polycistronic $- Q$
Select the correct option for $P$ and $Q$.
$\quad\quad\quad P \quad\quad Q$

What does '$2$' represent in the given figure?

Which of the following enzymes increases the permeability of the bacterial cell to lactose?

In the lactose operon of $Escherichia \text{ } coli$, what is the function of the promoter?

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