Biology, Pages 135-140CD-ROM contains: investigations, videos, word study & glossary, cumulative tests and chapter guides. |
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Page 80
... cross the membrane by a different mechanism — one involving vesicles . Exocytosis As we described in Chapter 6 , the cell secretes macromolecules by the fusion of vesicles with the plasma membrane ; this is called 80.
... cross the membrane by a different mechanism — one involving vesicles . Exocytosis As we described in Chapter 6 , the cell secretes macromolecules by the fusion of vesicles with the plasma membrane ; this is called 80.
Page 92
... cross . Activity Selective Permeability of Membranes Concept 7.3 : Passive transport is diffusion of a substance across a membrane with no energy investment Diffusion is the spontaneous movement of a substance down its concentration ...
... cross . Activity Selective Permeability of Membranes Concept 7.3 : Passive transport is diffusion of a substance across a membrane with no energy investment Diffusion is the spontaneous movement of a substance down its concentration ...
Page 104
... cross the membrane , eventually the two solutions will become isotonic . For Self - Quiz answers , see Appendix A. Go to the website or CD - ROM for more quiz questions . Evolution Connection Paramecium and other protists that live in ...
... cross the membrane , eventually the two solutions will become isotonic . For Self - Quiz answers , see Appendix A. Go to the website or CD - ROM for more quiz questions . Evolution Connection Paramecium and other protists that live in ...
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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