In bacteria,the synthesis of the amino acid tryptophan is regulated by a mechanism analogous to

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Feedback inhibition is a mechanism in which the end product of a metabolic pathway inhibits the activity of the enzymes involved in its own synthesis. In the case of tryptophan synthesis in bacteria, the end product (tryptophan) inhibits the activity of the enzyme responsible for the first step in the pathway. This is an example of feedback inhibition, which helps to regulate the synthesis of tryptophan.

In Bacteria,the Synthesis of the Amino Acid Tryptophan Is Regulated