Which of the following is true for the $Trp$ operon?

  • A
    It is an example of an inducible operon.
  • B
    It is an example of a repressible operon.
  • C
    It follows the mechanism: $ON \xrightarrow{co-repressor} OFF$.
  • D
    Both $(B)$ and $(C)$ are correct.

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