Active TransportBulk Movement - East Peoria Community 主动运输和散装运动-东皮奥里亚社区

Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Active Transport&Bulk Movement,Enriched Biology 1-2,Active vs.Passive Transport,Passive Transport,Active Transport,No energy required,Energy(ATP)required,High to Low concentration,Low to High concentration,No proteins required,except during facilitated diffusion,Protein pumps required,Active Transport,Active Transport,Movement of a substance against the concentration gradient,from an area of low concentration to an area of high concentration.,Like trying to climb up a down escalator!,Active Transport,Energy is needed to fight the concentration gradient,Protein pumps use the energy(ATP)to pump materials,Active Transport in Animals,Active transport is especially important in maintaining proper ion concentrations in the cells,Sodium-Potassium Pump,Click me!,Active Transport in Plants,Active transport is also important in plant roots,Concentration of nutrients is higher in the root than in the surrounding soil.,What do you think this means?What will happen unless active transport is used?,Inhibition of Transport,Some toxins work by inhibiting active transport in the body.,Bulk Movement,Large molecules do not pass the cell membrane easily,THEY ARE JUST TOOO BIG!,So the cell uses bulk movement to transport them across the membranein or out!,Click me!,Bulk Movement,Endocytosis,Movement of large amounts of materials into the cell,Phagocytosis,Pinocytosis,Receptor Mediated Endocytosis,Endocytosis:Phagocytosis,Cell Eating,Single cell engulfs food particle,Endocytosis:Pinocytosis,Cell drinking,Single cell engulfs droplets of liquid,Endocytosis:Receptor Mediated,Used when there are only small amounts,of,a needed nutrient outside of the cell,.,Materials bind to receptors on cell membrane,Endocytosis,Exocytosis,Wastes and cell products are packaged and transported by the Golgi Apparatus to the cell membrane.,The vesicles from the Golgi fuse with the cell membrane,and the materials are released(secreted)outside of the cell.,Exocytosis,Bulk Movement,