What is an operon?

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Question

(A) An operon is a functional unit of $DNA$ found in prokaryotes,such as bacteria. It consists of a cluster of genes under the control of a single pro

Vedclass · Accepted Answer

$A$ set of closely linked genes regulating a metabolic pathway in prokaryotes

Vedclass · Answer

(A) An operon is a functional unit of $DNA$ found in prokaryotes,such as bacteria. It consists of a cluster of genes under the control of a single promoter. These genes are transcribed together into a single $mRNA$ molecule,allowing the cell to efficiently regulate metabolic pathways by turning multiple related genes on or off simultaneously. Therefore,option $A$ is the correct definition.

Similar Questions

In the tryptophan operon,which of the following statements is correct?

In the medium where $E$. coli was growing, lactose was added, which induced the lac operon. Then, why does the lac operon shut down some time after the addition of lactose in the medium?

The switching on and off of the $lac$ operon is regulated by which of the following?

Statement-$I$: Lac operator is present only in lac operon and it interacts specifically with lac-repressor only.
Statement-$II$: Each operon has its specific operator and specific repressor.

Which enzyme is the expression product of the $y$ gene in the $lac$-operon?

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