Question

How is the functioning of Lac operon different from that of trp operon ?

Answer 1

Lac operon differs from trp operon in functioning in the following manner:-

• Lac operon is involved with the catabolic process of sugar, but Trp operon is involved in the anabolic process of an amino acid.
  
• Lac operon gets activated in the presence of lactose, but Trp operon gets deactivated in the presence of tryptophan.
  
• Lac operon consists of three structural genes and a repressor gene, but Trp operon consists of five structural genes and a repressor gene.