Chapter 5 - The Working Cell

Chapter 5 - The Working Cell - The Working Cell Chapter 5...

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The Working Cell Chapter 5
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Cell Membranes – Enclose Cell oxygen, carbon dioxide, and other small, nonpolar molecules; some water molecules glucose and other large, polar, water-soluble molecules; ions (e.g., H+, Na+, K+, Ca++, Cl–); water molecules
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Plasma Membrane as Fluid Mosaic Membrane is a mosaic Membrane is a fluid
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Membrane as a Fluid Mosaic Extracellular matrix Glycoprotein Carbohydrate Plasma membrane Microfilaments of cytoskeleton Phospholipid Cholesterol Proteins Cytoplasm Glycolipid
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Diffusion
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Diffusion Molecules of dye Membrane Equilibrium
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Diffusion Equilibrium
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Osmosis
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LE 5-16 Water molecule Selectively permeable membrane Solute molecule 2 Lower concentration of solute Higher concentration of solute Equal concentration of solute Solute molecule with cluster of water molecules Net flow of water
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Water balance between cells and their surroundings is crucial to organisms Osmoregulation Tonicity
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Osmosis and Cell Environments Isotonic
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Osmosis and Cell Environments Hypotonic
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Osmosis and Cell Environments Hypertonic
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Osmosis and Cell Environments 2% sucrose water 10% sucrose 2% sucrose
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Chapter 5 - The Working Cell - The Working Cell Chapter 5...

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