click below
click below
Normal Size Small Size show me how
3.2-3.3
| Term | Definition |
|---|---|
| selectively permeable | means that some substances can pass through the membrane while others can not |
| diffusion | is the main method by which small molecules move across the cell membrane |
| passive transport | the movement is dissolved materials through a cell membrane with using cellular energy called passive transport |
| active transport | is the movement of materials through a cell membrane using cellular energy |
| osmosis | is the diffusion of water molecules through a selectively permeable membrane |
| 3.3 | |
| photosynthesis | the process by which a cell captures energy in sunlight and uses it to make food |
| heterotroph | an organism that can not make its own food |
| clorophyll | the main photosynthetic pigment in chloroplasts |
| autotroph | an organism that can make its own food |
| pigment | colored chemical compounds that absorbs light |
| stomata | carbon dioxide enters the plant through small openings on the undersides of the leaves called |