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Page 72
... . The main electrogenic pump of plants , fungi , and bacteria is a proton pump , which actively transports hydrogen ions ( protons ) out of the cell . The pumping of H + transfers positive charge from the cytoplasm to 72.
... . The main electrogenic pump of plants , fungi , and bacteria is a proton pump , which actively transports hydrogen ions ( protons ) out of the cell . The pumping of H + transfers positive charge from the cytoplasm to 72.
Page 74
... the membrane by diffusion , analogous to water that has been pumped uphill and performs work as it flows back down . Another specialized transport protein , a cotransporter separate 74 hydrogen ions. The voltage and H ...
... the membrane by diffusion , analogous to water that has been pumped uphill and performs work as it flows back down . Another specialized transport protein , a cotransporter separate 74 hydrogen ions. The voltage and H ...
Page 75
... hydrogen ions to the transport of sucrose into the cell ( Figure 7.19 ) . The protein can translocate sucrose into the cell against a concentration gradient , but only if the sucrose molecule travels in the company of a hydrogen ion . 75.
... hydrogen ions to the transport of sucrose into the cell ( Figure 7.19 ) . The protein can translocate sucrose into the cell against a concentration gradient , but only if the sucrose molecule travels in the company of a hydrogen ion . 75.
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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