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Page 74
... across the membrane by diffusion , analogous to water that has been pumped uphill and performs work as it flows back down . Another specialized transport protein , a cotransporter separate 74 hydrogen ions. The voltage and H ...
... across the membrane by diffusion , analogous to water that has been pumped uphill and performs work as it flows back down . Another specialized transport protein , a cotransporter separate 74 hydrogen ions. The voltage and H ...
Page 75
Neil A. Campbell. down . Another specialized transport protein , a cotransporter separate from the pump , can couple the " downhill ” diffusion of this substance to the " uphill " transport of a second substance against its own ...
Neil A. Campbell. down . Another specialized transport protein , a cotransporter separate from the pump , can couple the " downhill ” diffusion of this substance to the " uphill " transport of a second substance against its own ...
Page 76
... specialized cells in the veins of leaves . The sugar can then be distributed by the vascular tissue of the plant to nonphotosynthetic organs , such as roots . Figure 7.19 Cotransport : active transport driven by a concentration gradient ...
... specialized cells in the veins of leaves . The sugar can then be distributed by the vascular tissue of the plant to nonphotosynthetic organs , such as roots . Figure 7.19 Cotransport : active transport driven by a concentration gradient ...
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active transport animal cells artificial cell blood called cotransport cell is negative Cell-Cell Recognition cellular cholesterol concentration gradient Concentrations Affect Cells Concept 7.4 Concept Check cytoplasm decreasing extracellular drive the active electrochemical gradient Endocytosis In endocytosis Energy in Active exocytosis and endocytosis extracellular solution facilitated diffusion fluid mosaic model fungi glucose Golgi hydrogen ions hydrophobic hypertonic hypotonic environment inside isotonic lipid bilayer main electrogenic pump Maintenance of Membrane membrane potential membrane proteins Membrane Structure membrane traffic move solutes nerve cell neuron occurs by exocytosis osmosis osmotic passive transport phospholipids pinocytosis plant cells plasma membrane occurs positive charge potassium ions proteins are embedded protists proton pump pump of plants Pumps Ions receptor-mediated endocytosis Salt Concentrations Affect selectively permeable Self-Quiz side where solute signal sodium-potassium pump solute(s specific transport protein store energy substance sucrose uptake sucrose-H suggested answers three sodium ions translocates transport uses energy types of endocytosis voltage Water Balance