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 81
... membrane . When the vesicle membrane and plasma membrane come into contact , the lipid molecules of the two bilayers rearrange themselves so that the two membranes fuse . The contents of the vesicle then spill to the outside of the cell ...
... membrane . When the vesicle membrane and plasma membrane come into contact , the lipid molecules of the two bilayers rearrange themselves so that the two membranes fuse . The contents of the vesicle then spill to the outside of the cell ...
Page 99
... membrane , with no fixed inside- outside polarity . e . free to depart from the fluid membrane and dissolve in the surrounding solution . 3. Which of the following factors would tend to increase membrane fluidity ? a . a greater ...
... membrane , with no fixed inside- outside polarity . e . free to depart from the fluid membrane and dissolve in the surrounding solution . 3. Which of the following factors would tend to increase membrane fluidity ? a . a greater ...
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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