Students learn how cells control transcription initiation and mRNA output using operons in prokaryotes (lac and trp models) and multiple regulatory layers in eukaryotes (chromatin accessibility, transcription factors, enhancers/silencers, and RNA interference). Everything is aligned to the same section focus and ready to use. Teach gene regulation with a complete section bundle that includes instruction, structured note-taking, independent practice, whole-class review, and assessment. What’s In