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Page 67
... inside , while potassium ion concentration ( [ 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 ...
... inside , while potassium ion concentration ( [ 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 ...
Page 69
... inside of the cell is negative compared to the outside . ) The membrane potential acts like a battery , an energy source that affects the traffic of all charged substances across the membrane . Because the inside of the cell is negative ...
... inside of the cell is negative compared to the outside . ) The membrane potential acts like a battery , an energy source that affects the traffic of all charged substances across the membrane . Because the inside of the cell is negative ...
Page 71
Neil A. Campbell. ions ( Na1 ) inside a resting nerve cell is much lower than outside it . When the cell is stimulated , gated channels that facilitate Na * diffusion open . Sodium ions then " fall " down their electrochemical gradient ...
Neil A. Campbell. ions ( Na1 ) inside a resting nerve cell is much lower than outside it . When the cell is stimulated , gated channels that facilitate Na * diffusion open . Sodium ions then " fall " down their electrochemical 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