Identify the $INCORRECT$ statement from the following with reference to lac operon.

  • A
    It is a unit of gene expression and regulation for lactose sugar metabolism in $E. coli$.
  • B
    Lactose sugar enters the cell due to the activity of enzyme permease.
  • C
    Operators are present between promoters and structural genes.
  • D
    The structural gene 'z' codes for $\beta$-galactosidase,'y' for transacetylase and 'a' for permease.

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Similar Questions

Which of the following pairs does not exhibit complementarity?

In the $lac$ operon,if a nonsense mutation occurs in the $lac\, y$ gene,which enzymes will be synthesized?

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Jacob and Monod studied lactose metabolism in $E. coli$ and proposed the operon concept,which is applicable for:

Which enzyme will be produced in a cell if there is a nonsense mutation in the lac $Y$ gene?

An inactive repressor produced by a regulator gene that does not block the operator site in the tryptophan operon is called:

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