Unformatted text preview: 2. Understand how substances move across membranes. 1. Explain concentration gradients. 2. Describe the process of diffusion. 3. Distinguish between active and passive transport across membranes. 4. Describe each type of passive and active transport listed in Table 5-1. 5. Explain tonicity and how osmosis of water is influenced by solute concentration. 3. Understand surface area/volume ratios and the impact on cell size. 1. Explain how volume and surface area change as a sphere enlarges and what happens to the surface area/volume ratio. 4. Know the types of junctions between cells in multicellular organisms. 1. List the types of cell junctions for plants and animals and their functions....
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- Biology, Explain concentration gradients