Wild type $E. coli$ cells are growing in a normal medium with glucose. They are transferred to a medium containing only lactose as the sugar. Which one of the following changes takes place?

  • A
    The $lac$-Operon is repressed
  • B
    All Operons are induced
  • C
    $E. coli$ cells stop dividing
  • D
    The $lac$-Operon is induced

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Similar Questions

In $lac$ operon,the switching on or switching off of the operator is achieved by . . . . . . .

Which of the following acts as an inducer for the $lac$ operon in $Escherichia$ $coli$?

What does an operon represent?

Where are the regulatory genes located in an operon?

Lac-operon is an example of which one of the following types of regulation of gene expression?

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