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Page 68
... of Membrane Potential by lon Pumps All cells have voltages across their plasma membranes . Voltage is electrical potential energy - a separation of opposite charges . 135 The cytoplasm of a cell is negative in charge 68.
... of Membrane Potential by lon Pumps All cells have voltages across their plasma membranes . Voltage is electrical potential energy - a separation of opposite charges . 135 The cytoplasm of a cell is negative in charge 68.
Page 70
... electrical force ( the effect of the membrane potential on the ion's movement ) . This combination of forces acting on an ion is called the electrochemical gradient . In the case of ions , we must refine our concept of passive transport ...
... electrical force ( the effect of the membrane potential on the ion's movement ) . This combination of forces acting on an ion is called the electrochemical gradient . In the case of ions , we must refine our concept of passive transport ...
Page 95
... electrical gradient ( voltage ) . These forces combine in the electrochemical gradient , which determines the net direction of ionic diffusion . Electrogenic pumps , such as sodium - potassium pumps and proton pumps , are transport ...
... electrical gradient ( voltage ) . These forces combine in the electrochemical gradient , which determines the net direction of ionic diffusion . Electrogenic pumps , such as sodium - potassium pumps and proton pumps , are transport ...
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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