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Chapter 5 Section 2

ch 5 sec 2

TermDefinition
active transport the movement of materials from an area of lower concentration to an area of higher concentration
sodium potassium pump a protein that transports Sodium positive ions and Potassium positive ions up their concentration gradients
endocytosis the process by which cells ingest external fluid, macromolecules, and large particles
vesicle a small cavity or sac that contains materials in a eukaryotic cell
pinocytosis the transport of solutes or fluids
phagocytosis the movement of large particles or whole cells
phagocyte cells that allow lysosomes to fuse with the vesicles that contain the ingested bacteria and viruses
exocytosis process by which a substance is released from the cell through a vesicle that transports the substance out of the cell
Created by: zhaberstich