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10 cards from this deck
Passive transport: net movement down concentration gradient, no ATP needed
Energy from particle motion, not from cellular sources
Net movement from high to low concentration until even spread
Difference in concentration between two areas
Small, non-polar molecules like O2O_2O2 and CO2CO_2CO2
Passive transport using proteins for polar/charged molecules
Water-filled pathways selective for specific ions
Proteins that change shape to transport molecules across membrane
Simple: no proteins; Facilitated: requires membrane proteins
Steeper gradient, higher temp, larger area, smaller molecules
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