Unit 6: Organisms respond to changes in their internal and external environment, Unit 7: Genetics, populations, evolution and ecosystems, Unit 8: The control of gene expression...
Concept 6.1: Biologists use microscopes and biochemistry to study cells, Concept 6.2: Eukaryotic cells have internal membranes that compartmentalize their functions, Concept 6.3: The eukaryotic cell’s genetic instructions are housed in the nucleus and carried out by the ribosomes...