Lecture 10 posted new - *Bulk flow Transport within plants...

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BIO 311D – LECTURE 10 TRANSPORT IN PLANTS
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Overview of plant transport systems
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Transport within plants from soil to from soil to plant cells: plant cells: Water: Osmosis ( + Physical pressure = Water potential) Solutes: Passive transport Active transport - Proton pumps
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Transport within plants From root cells to xylem to From root cells to xylem to shoots: shoots: Cell compartments: Apoplast, Symplast Casparian strip
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Unformatted text preview: *Bulk flow Transport within plants of Xylem sap A little by root pressure Mostly by pulling water up: The Transpiration-Cohesion-Tension Mechanism Guttation due to root pressure Transpirational pull starts in the leaves: Photosynthesis vs. transpiration: A compromise Stomata behavior Pressure flow mechanism Transport within plants of phloem sap Summary overview figure...
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Lecture 10 posted new - *Bulk flow Transport within plants...

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