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Passive Transport1

passive transport

QuestionAnswer
Passive Transport does not require energy
Diffusion molecules or ions scatter evenly througout environment
Concentration gradient movement of molecules form high concentration to lower concentration
Simple Diffusion Nonpolar substances diffuse directly through the lipid bilayer ex. Oxygen, & Carbon dioxide
Osmosis movement of water throught selectively permeable membrane
Toniciy tone or shape of cells
isotonic solutions equal amounts on both sides of membrane cell shape does not change
Hypertonic Solution water moves out of cell faster than moves in, cell shrinks:crenation
Hypotonic Solution water move in cell faster than it move out, cell swells and may burst
Lysis brustin cell
hemolysis bursting red blood cell
Facilitated diffusion dnt pass thru lipid bilayer: transported substance either binds to protein carriers or moves through water-filled protein channels. no energy required
Filtration forces water and solutes through membrane wall by hydrostatic preassure.
Passive Transport does not require energy
Diffusion molecules or ions scatter evenly througout environment
Concentration gradient movement of molecules form high concentration to lower concentration
Simple Diffusion Nonpolar substances diffuse directly through the lipid bilayer ex. Oxygen, & Carbon dioxide
Osmosis movement of water throught selectively permeable membrane
Toniciy tone or shape of cells
isotonic solutions equal amounts on both sides of membrane cell shape does not change
Hypertonic Solution water moves out of cell faster than moves in, cell shrinks:crenation
Hypotonic Solution water move in cell faster than it move out, cell swells and may burst
Lysis brustin cell
hemolysis bursting red blood cell
Facilitated diffusion dnt pass thru lipid bilayer: transported substance either binds to protein carriers or moves through water-filled protein channels. no energy required
Filtration forces water and solutes through membrane wall by hydrostatic preassure.
Created by: christi2188
 

 



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