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| movement of a substance from an area of hight concentration to an area of low concentration. |
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| diffusion of water or other solvent through a cell membrane |
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| water concentration inside the cell is the same outside of the cell. |
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| powerhouse...breaks down food for energy. |
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| Larger molecules require energy to pass through a membrane. |
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| The movement of a chemical substance across a cell membrane without energy by the cell, as in diffusion. |
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| water concentration inside the cell is MORE than water concentration outside the cell. Cell will burst, (lyse) |
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| water concentration inside the cell is less than concentration outside the cell. |
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| when materials enter the cell. |
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| more large molecules out of cell (waste) |
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| cell eating (takes in food) |
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| allows some materials to pass but not others. |
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means to make with light.
photosynthesis occurs in chloroplasts (leaves)
Chloroplasts contain chlorophyll.
chlorophyll traps sun light energy and combines CO2 w/ H20 to make 602+C6H12O6 |
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occurs in mitochondria
mitochondria uses O2to break down C6H12O6 to make energy. CO2 and H2O as a waste product. |
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| makes glucose during photosynthesis |
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