Biology, Pages 135-140CD-ROM contains: investigations, videos, word study & glossary, cumulative tests and chapter guides. |
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Page 69
... membrane . The voltage across a membrane , called a membrane potential , ranges from about -50 to -200 millivolts ( mV ) . ( The minus sign indicates that the inside of the cell is negative compared to the outside . ) The membrane ...
... membrane . The voltage across a membrane , called a membrane potential , ranges from about -50 to -200 millivolts ( mV ) . ( The minus sign indicates that the inside of the cell is negative compared to the outside . ) The membrane ...
Page 70
Neil A. Campbell. to the outside , the membrane potential favors the passive transport of cations into the cell and anions out of the cell . Thus , two forces drive the diffusion of ions across a membrane : a chemical force ( the ion's ...
Neil A. Campbell. to the outside , the membrane potential favors the passive transport of cations into the cell and anions out of the cell . Thus , two forces drive the diffusion of ions across a membrane : a chemical force ( the ion's ...
Page 104
Neil A. Campbell. d . The membrane potential will decrease . e . In spite of the inability of sucrose to cross the membrane , eventually the two solutions will become isotonic . For Self - Quiz answers , see Appendix A. Go to the website ...
Neil A. Campbell. d . The membrane potential will decrease . e . In spite of the inability of sucrose to cross the membrane , eventually the two solutions will become isotonic . For Self - Quiz answers , see Appendix A. Go to the website ...
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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