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Science (cell)

The Cell in its Enviroment

QuestionAnswer
The process by which molecules move from an area of low concentration to high concentration. Diffusion
What causes diffusion? Collisions of molecules cause molecules to push away from one another.
The diffusion of water molecules through a semi-permiable membrane. Osmosis
The movement of dissolved materials through a cell membrane without using cellular energy. Passive Transport
The movement of materials through the cell membrane using celluar energy. Active Transport
The process by which cells "withdraw" energy from glucose. Respiration
The raw materials of respiration. Glucose and Oxygen
Respiration Equation Glucose+Oxygen->Carbon Dioxide+ATP
Splitting of Sugar Glycolysis
These pick up molecules outside of the cell membrane and carry them in, using energy. Transport Protiens
Usually not permeable in the membrane large molecules, salts
Molecules that eventually spread evenly throughout the area. Equilibrium
Created by: staghuntress
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