Answer:
Trp Operon.
Step-by-step explanation:
Trp Operon determines to control gene expression by regulation of DNA translation. The trp operon is found in E. coli bacteria, is a group of genes that encode biosynthetic enzymes for the production of amino acid tryptophan. The trp operon refers to turned "on" when tryptophan levels are low whereas refers to turned "off" when tryptophan levels are high. The trp operon is controlled and regulated by the trp repressor.