45 lac operon labeled
lac operon (1).docx - 1. What is an operon and where is it... Draw the lac-operon and its genes. Label the following structures: operator, regulator, structural genes, and promoter. Briefly describe the function (s) of each structure. 3. Draw an operon as it appears when it is "turned on.", Label all structures not labeled in question 2. 4. Draw an operon as it appears when it is "turned off.", VCAC: Molecular Processes: Lac Operon: Advanced Look: Proteins Having been transcribed and translated, it is time for the proteins coded for by the Z and Y genes to play their roles. The two proteins, ß-galactosidase (Z) and permease (Y), can now help bring the lac operon cycle to completion. Clicking on each of the thumbnail images will bring up a larger, labeled version of the described scene.
The lac operon (article) | Khan Academy The lac operon of E. coli contains genes involved in lactose metabolism. It's expressed only when lactose is present and glucos...