L06_A
L06_B
To study cells, biologists use microscopes and the tools of biologists
6.2 Eukaryotic cells have internal membranes that compartmentalize their functions 
6.3 The eukaryotic cell’s genetic instructions are housed in the nucleus and carries out by the ribosome
6.4 The endomembrane system regulates protein traffic and performs metabolic functions in the cell 
6.5 Mitochondria and chloroplasts change energy from one form to another 
6.6 The cytoskeleton is network of fibers that organizes structures and activities in the cell 
6.7 Extracellular components and connections between cells help coordinate cellular activities