Cells & Cell MembranesLearning Pathway 1 Read Introduction to Cells & Cell Membranes Passive Movement Across the Cell Membrane Active Movement Across the Cell Membrane Concepts of Osmosis & Tonicity 2 Experience Permeability Experiments 3 Collaborate Active Transport Fill-in-the-blanks Cell Organelles Matching Puzzle Factors Influencing Diffusion Fill-in-the-blanks Tonicity Effects on Cells Matching Puzzle Osmolarity and Tonicity Crossword Osmolarity and Tonicity Matching Puzzle Volume Changes Matching Puzzle The Cell Jigsaw 4 Evaluate Cells & Cell Membranes Diffusion Active Transport Osmolarity & Tonicity