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Slide show by Kim Foglia (modified)

Explore how proton pumps generate membrane potential, aquaporins transport water molecules, and K+ controls stomata opening/closing in plants, with a focus on transport mechanisms in different environmental conditions and pathways. Learn about the significance of the Casparian strip and symplast pathway for water movement in plants.

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Slide show by Kim Foglia (modified)

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  1. Slide show by Kim Foglia (modified)

  2. ACTIVE TRANSPORTProton pump generates membrane potential EXTRACELLULAR FLUID CYTOPLASM http://www.bio.miami.edu/~cmallery/150/memb/electrogenic.jpg

  3. Chapter 36Transport in Plants

  4. HYPERTONIC ENVIRONMENT HYPOTONIC ENVIRONME

  5. AQUAPORINS Transport water molecules across membranes http://www.bio.miami.edu/~cmallery/150/memb/water_channel_lg1.jpg

  6. Transport of K+ into/out of guard cells controls opening/closing of stomata http://www.phschool.com/science/biology_place/labbench/lab9/images/stoma2.gif http://www.phschool.com/science/biology_place/labbench/lab9/images/stoma1.gif

  7. CASPARIAN STRIP Belt made of SUBARIN (waxy material) Blocks water moving via APOPLAST pathway Must enter SYMPLAST pathway to get into XYLEM http://www.mhhe.com/biosci/pae/botany/uno/graphics/uno01pob/vrl/images/0668.gif

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