ch 42 circulation and gas exchange

ch 42 circulation and gas exchange - Gills Lungs Blood...

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1 CIRCULATION and GAS EXCHANGE Lecture 25 27 Oct, 2008 Gills Lungs Blood Artery Vein active transport adhesion apoplast apoplastic route aquaporin bulk flow bundle sheath Casparian strip cellulose microfibrils cohesion cohesion-tension model companion cell cortex cotransporter desmotubule endodermis epidermis solute potential stacyose stele stoma suberin sucrose source sucrose sink symplast symplastic route transpiration turgor pressure vascular bundle vascular cambium vascular cylinder water potential xylem guard cells guttation H + ATPase MPa (mega Pascal) passive transport phloem loading Plasmodesma polymer trap pressure potential proton pump psi (Greek letter) rabinose reverse osmosis root pressure sieve element sieve plate »¼½½¾¿¿À Á ¹ÂÃÄŽ½ºÄÆÇÅÃÈÆÉÊ Monday, 27 Oct. 2008 Guest: Dr. Laurel Southard Room 302AB APPEL DINING HALL 5:45 PM Meeting place: West Entrance to Appel Center at 5:45pm
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2 diffusion diffusion diffusion Size isn’t everything high Diffusion Time slope is Δ C/ Δ x distance concentration membrane Time to for diffusion proportional to x 2 100 microns 1 second
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ch 42 circulation and gas exchange - Gills Lungs Blood...

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