click below
click below
Normal Size Small Size show me how
chapter 1
cells structure and function
Question | Answer |
---|---|
diffusion | the main method by which small molecules move across the cell membrane |
osmosis | the diffusion of water molecules through a selectively permiable membrane |
selectively permeable | some substances that pass through the membrane while others can not |
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 |