2. Learning Objectives

By the end of this chapter, readers will be able to

  • Define Operons
  • Explain the roles of Lac I, Lac Z, and Lac Y of the lactose Operon
  • Predict the effects on lactose metabolism when the concentration of lactose is changed.
  • Explain about the Trp Operon
  • Define attenuation
  • Explain molecular mechanisms that control Eukaryotic gene regulation
  • Define Epigenetics
  • Discuss the role of epigenetics in gene expression and regulation