So the lac operon consists of two sections. We have the regulatory section which is basically this section here and we have our coating section. The coating section basically consists of three genes that each code for a specific type of enzyme that is involved in the breakdown of lactose. So this region, shown by region number six contains the gene for the base galacticidase while these other genes are genes that code for two other proteins two other enzymes involved in the breakdown of lactose into glucose and galactose. Now, what about this section? Basically this section is the regulatory section.