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img005 - 5 Active(ATP-driven transport is required to load...

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Unformatted text preview: 5. Active (ATP-driven) transport is required to @ load sugars into phloem. b. unload water from xylem. 2” load sugars into xylem. . move ions through the apoplast. lei push sugars down the phloem. 6. The presence of the Casparian strip means that a plant would starve for mineral nutrient ions if it did not have a trichomes increasing its root surface area. b. taproot to store nutrients in over the winter. ion transporters embedded in its membranes. proteins connecting the endodermis and pericycle. . plasmodesmata connecting apoplast and symplast. 7. Plants open their stomates by pumping guard cells. Q. potassium ions into /7 \\ (’\w b. water into '/ l” 4,1 /F/ _ c. potassium ions out of '//;L 1 d. water out of . 45/ \ e. potassium ions into E water out of ' \1/ TMW "” 5i 8. Based on the table at right, the primary driving :Wlffhmr WW affiméa) force for xylem transport is the difference in ‘I'w EAESWWRHmMMgStz between 5 I LeafAirSDaoea l 0.8 5 Leaf Cell Vawoie 0.8 @ air and leaf air spaces g: b. leaf air spaces and leaf cell vacuole 5 i » MWWWwme ewmwwwm§ c. leaf air spaces and leaf xylem d. leaf xylem and root xylem ‘” 6. root xylem and so“ near root g .. 9. If a plant lost the ability to carry out fermentation, it would ‘21K die from an inability to make lactic acid. Je\ die from an inability to make ethanol and 002. *c‘ not be able to survive in the presence of oxygen. d. have to get all its ATP from glycolysis. % cease glycolysis under flooded conditions. ...
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