Biology, Pages 135-140CD-ROM contains: investigations, videos, word study & glossary, cumulative tests and chapter guides. |
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Page 66
... protein . This may induce the protein to change its conformation in a manner that translocates a solute bound to the protein across the membrane . One transport system that works this way the sodium - potassium pump , which exchanges ...
... protein . This may induce the protein to change its conformation in a manner that translocates a solute bound to the protein across the membrane . One transport system that works this way the sodium - potassium pump , which exchanges ...
Page 75
... protein couples the return of hydrogen ions to the transport of sucrose into the cell ( Figure 7.19 ) . The protein can translocate sucrose into the cell against a concentration gradient , but only if the sucrose molecule travels in the ...
... protein couples the return of hydrogen ions to the transport of sucrose into the cell ( Figure 7.19 ) . The protein can translocate sucrose into the cell against a concentration gradient , but only if the sucrose molecule travels in the ...
Page 94
... Proteins In facilitated diffusion , a transport protein speeds the movement of water or a solute across a membrane down its concentration gradient . Activity Facilitated Diffusion Concept 7.4 : Active transport uses energy to move ...
... Proteins In facilitated diffusion , a transport protein speeds the movement of water or a solute across a membrane down its concentration gradient . Activity Facilitated Diffusion Concept 7.4 : Active transport uses energy to move ...
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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