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Chapter 3.3

TermDefinition
Active transport movement or substances across a plasma membrane that requires energy
Diffusion type of passive transport that does not require help of transport proteins
Endocytosis type of vehicle transport that moves substance into a cell
Exocytosis type of vehicle transport that moves substances out of a cell
Facilitated Diffusion diffusion with the help of transport proteins
Osmosis diffusion of water molecules across a membrane
Passive Transport movement of substances across a plasma membrane that does not require energy
Sodium-Potassium Pump type of active transport in which sodium ions are pumped out of the cell and potassium ions are pumped into the cell with the help of a carrier proteins and energy from ATP
Transport Protein protein in a plasma membrane that helps other substances cross the membrane
Vesicle Transport type of active transport in which substances are carried across the cell membrane by vesicles
Created by: gianna15
 

 



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