Which one of the following sets contains enzymes coded by the structural genes of the $lac$ operon of $E. coli$?
- A$\beta$-galactosidase,phosphoglucose isomerase,and transacetylase
- B$\beta$-galactosidase,$\beta$-galactoside permease,and glycogen synthetase
- C$\beta$-galactosidase,$\beta$-galactoside permease,and transacetylase
- D$\beta$-galactosidase,$\beta$-galactoside permease,and helicase
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Similar Questions
Which of the following pairs does not exhibit complementarity?
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View SolutionWhich of the following statements concerning the regulatory gene $(i)$,associated with the $lac$ operon are incorrect?
$(I.)$ $\text{mRNA}$ is transcribed from the $i$ gene whether lactose is present or not.
$(II.)$ $\text{mRNA}$ is transcribed from the $i$ gene only when the lactose is present.
$(III.)$ $\text{mRNA}$ is transcribed from the $i$ gene only when the lactose is not present.
$(IV.)$ Lactose inhibits the translation of $i$ gene $\text{mRNA}$.
$(I.)$ $\text{mRNA}$ is transcribed from the $i$ gene whether lactose is present or not.
$(II.)$ $\text{mRNA}$ is transcribed from the $i$ gene only when the lactose is present.
$(III.)$ $\text{mRNA}$ is transcribed from the $i$ gene only when the lactose is not present.
$(IV.)$ Lactose inhibits the translation of $i$ gene $\text{mRNA}$.
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View SolutionWhich of the following is not a component of the $Operon$ model?
Medium
View SolutionTransposons can be used during which one of the following?
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View SolutionWhich of the following binds to the repressor,causing the repressor and the operator to dissociate from each other?
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