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7 Cards in this Set

  • Front
  • Back
Passive Transport
does not require energy expenditure
Diffusion
movement from areas of high concentration to areas of low concentration
Osmosis
diffusion of water across a selectivley permeable membrane
Active Transport
movement from areas of low conc. to high conc. requires ATP
Ion Pumps
proteins in membrane move materials against the conc. gradient
Phagocytosis
cell "eating" cell membrance engulfs material e.g. white blood cells destroy bacteria.
Pinocytosis
cell "Drinking"