An operon is a cluster of regulated genes in prokaryotes, and it includes structural genes (coding for enzymes), regulatory genes (coding for activator or repressor proteins) and regulatory sites (promoters and operators).The
Genes | Free Full-Text | The Operon as a Conundrum of Gene Dynamics and Biochemical Constraints: What We Have Learned from Histidine Biosynthesis
Gene Regulation: Lac Operon | AP® Biology | Practice | Albert