click below
click below
Normal Size Small Size show me how
Vocab 3.2 & 3.3
| Question | Answer |
|---|---|
| Selectively Permeable | some substances can pass through the membrane while others cannot |
| Diffusion | the main method by which small molecules move across the cell membrane |
| Osmosis | is 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 |
| Photosynthesis | the process by which a cell captures energy in sunlight and uses it to make food |
| Autotroph | an organism that makes its own food |
| Heterotroph | an organism that cannot make its own food |
| Pigment | colored chemical compounds that absorb light |
| Chlorophyll | the main photosynthetic pigment in chloroplast |
| Stomata | small openings on the undersides of the leaves |