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Chapter 1
Cell structure and function
Question | Answer |
---|---|
Diffusion | The process by which molecules move from an area of higher concentration to an area of lower concentration. |
Osmosis | The diffusion of water molecules through a selectively permeable membrane. |
Selectively Permeable | Means that some substances can pass through the organelle while others cannot. |
Passive Transport | The movement of dissolved materials through a cell membrane without the use of cellular energy. |
Active Transport | The movement of materials through a cell membrane using cellular energy. |