Operon is a

  • A
    sequence of three nitrogen bases determining a single amino acid.
  • B
    set of closely placed genes regulating a metabolic pathway in prokaryotes.
  • C
    segment of $DNA$ specifying a polypeptide.
  • D
    gene responsible for switching on and switching off other genes.

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Similar Questions

When do bacteria $NOT$ produce $\beta$-galactosidase?

Which of the following statements is incorrect regarding the $lac$ operon?

All of the following are part of an operon except:

In $Escherichia \ coli$,$lac$ operon is induced by

Mark the incorrect option with respect to the $lac$ operon.

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