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EVPP 110 Lecture - Learning Guide 6 - Matter and Energy - Membranes Diffusion Lifes Building Blocks

EVPP 110 Lecture - Learning Guide 6 - Matter and Energy - Membranes Diffusion Lifes Building Blocks

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EVPP 110 Lecture Learning Guide #6 Fall 2010 Matter & Energy: Membranes, Diffusion, Life’s Building Blocks What is a plasma membrane/cell membrane? Do all types of cells have a plasma membrane? What is mean by the term "selectively permeable"? What is the main type of molecule that makes up the plasma membrane? Why does the structure of phospholipids make them well-suited to their role in membranes? What is diffusion? Does diffusion require an input of work? What is passive transport? Does passive transport require an input of work? What is osmosis? Does osmosis require an input of energy? What does the term hypotonic mean? What does the term isotonic mean? What does the term hypertonic mean? What is meant by “concentration gradient”? What role do concentration gradients play in diffusion, passive transport, osmosis?
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