click below
click below
Normal Size Small Size show me how
3.2 and 3.3 Vocabua
3.2 and 3.3 Vocabulary
Term | Definition |
---|---|
Selectively Permeable | the substance that can pass through the membrane while others cannot. |
Diffusion | the main method by which small molecules move across the cell membrane. |
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. |
Section 3 | |
Photosynthesis | the process of which a cell captures energy in sunlight and uses it to make food. |
Autotroph | an organism that makes it own food. |
Heterotroph | an organism that cannot make its own food. |
Pigment | colored chemicals compounds that absorb light. |
Chlorophyll | the main photosynthetic pigment in chloroplasts. |
Stomata | carbon dioxide enters the plant through small openings on the undersides of the leaves. |