Biology, Pages 135-140CD-ROM contains: investigations, videos, word study & glossary, cumulative tests and chapter guides. |
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Page 66
... translocates a solute bound to the protein across the membrane . One transport system that works this way the sodium - potassium pump , which exchanges sodium ( Na ) for potassium is ( K ) across the plasma membrane of animal cells 66.
... translocates a solute bound to the protein across the membrane . One transport system that works this way the sodium - potassium pump , which exchanges sodium ( Na ) for potassium is ( K ) across the plasma membrane of animal cells 66.
Page 67
... ( [ K ] ) is low outside the cell and high inside . The pump oscillates between two conformational states in a pumping cycle that translocates three sodium ions out of the cell for every two potassium ions pumped into the 67.
... ( [ K ] ) is low outside the cell and high inside . The pump oscillates between two conformational states in a pumping cycle that translocates three sodium ions out of the cell for every two potassium ions pumped into the 67.
Page 73
... store energy by generating voltage ( charge separation ) across membranes . Using ATP for power , a proton pump translocates positive charge in the form of hydrogen ions . The voltage and H concentration gradient represent 73.
... store energy by generating voltage ( charge separation ) across membranes . Using ATP for power , a proton pump translocates positive charge in the form of hydrogen ions . The voltage and H concentration gradient represent 73.
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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