Transport in Vascular Plants

Transport in Vascular Plants - Transport Transport in...

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1 Transport Transport in Plants in Plants Outline: Outline: c Key Concepts c Transport overview c Proton Pumps c Cellular Level and Plant Level c Xylem Transport c Phloem Translocation c Key Terms c Conclusions Key Concepts: Key Concepts: c Proton pumps play a central role in transport across plant membrane c Vacuolated plant cells have three major compartments c Bulk flow functions in long-distance transport
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2 Key Concepts: Key Concepts: c In flowering plants and other vascular plants, the flow of water and solutes connects all cells of the plant c Water absorbed from soil moves on up through xylem and into leaves c By the energy-requiring process of translocation, sucrose and other organics are distributed in the plant Transport Overview Transport Overview 1. Trans-membrane 2. Xylem 3. Phloem 1. Cost: ATP energy 2. Functions by: H + gradient 3. Results: Proton pumps - Chemiosmosis
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3 1. cellular level tonoplast cell membrane 2. plant level
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Transport in Vascular Plants - Transport Transport in...

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