Bio lecture 10 - Bulk flow Root absorption of H 2 O and...

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BIO 311D – LECTURE 10 TRANSPORT IN PLANTS
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Transport within plants From soil to plant cells: From soil to plant cells: Water: Osmosis ( + Physical pressure = Water potential) Aquaporins Solutes: Passive transport Active transport - Proton pumps From root cells to xylem to shoots: From root cells to xylem to shoots: Cell compartments: Apoplast: Symplast Casparian strip
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Unformatted text preview: Bulk flow Root absorption of H 2 O and minerals Transport of Xylem sap Root pressure Mostly by pulling water up: Transpiration-Cohesion-Tension Mechanism Transpirational pull Transpiration problems and solutions Photosynthesis vs. transpiration Guard cell shape change animation Stomata behavior Pressure flow of phloem sap In summary…...
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This note was uploaded on 03/20/2011 for the course BIOLOGY 311D taught by Professor Zhaimingzhao during the Fall '10 term at University of Texas.

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Bio lecture 10 - Bulk flow Root absorption of H 2 O and...

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