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7.3 - Passive Transport is Diffusion (Diffusion (Molecules (Spread Evenly)…
7.3 - Passive Transport is Diffusion
Diffusion
Molecules
Spread Evenly
Dynamic equilibrium
Equally spread out
Concentration gradient
Density
Movement
Passive transport
No energy
Osmosis
Diffusion - Water
Selective Membrane
Solute Concentration
Lower
To higher
Until concentration equal
Tonicity
Surrounding solution
Move
Water
Types
Hypotonic
#
Isotonic
Hypertonic
#
Osmoregulation
Balance
Water
Solute concentration
Contractile vacuole
Pump
Facilitated diffusion
Transport proteins
Speed
Passive movement
Hydophilic
Types
Channel
Tunnel
E.g. Aquaporins
Carrier
Bind
Change shape
