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Chapter_4_Learning_Objectives - and predict the direction...

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Chapter Learning Objectives Chapter 4: Cell Membrane Structure and Function 4.1 How is the structure of a membrane related to its function? Explain why phospholipids are both hydrophilic and hydrophobic List the three major functions of the cell membrane Describe the fluid-mosaic model of cell membrane structure List three major functions of membrane proteins 4.2 How do substances move across membranes? Distinguish among diffusion, facilitated diffusion, osmosis, and active transport Define diffusion. Explain why diffusion is a spontaneous process Explain how transport proteins facilitate diffusion Define osmosis
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Unformatted text preview: and predict the direction of water movement based on differences in solute concentrations o Distinguish among hypertonic, hypotonic, and isotonic solutions • Explain the mechanism by which substances are moved across membranes against a concentration gradient by active transport • Explain how material can be imported into or exported from a cell by being wrapped in membranes 4.3 How are cell surfaces specialized? • Name the intercellular junctions and communication structures found in plant and animal cells and list the function of each type • Describe the basic structure of a plant cell wall...
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