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Chapter 1
Cell Structure and Function
Question | Answer |
---|---|
Diffusion | The main method in which small molecules move across a cell membrane. |
Cells | The basic unit of structure in living things. |
selectively permeale | some substances can pass through something while others can not. |
osmosis | the diffusion of water molecules through a selectively permeable membrane. |
passive transport | the movement of dissolved materials through a cell membrane without using cellular energy |
Active transport | the movement of materials through a cell membrane using cellular energy |