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| is important to a cell because most chemical reactions in cells require water. |
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| are important to a cell because enzymes speed up chemical reactions. |
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| is the movement of molecules from an area of higher concentration to an area of lower concentration. |
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| is the movement matherials through a cell membrane without using the cell's energy. |
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| release chemicals that break down large food particles into smaller ones. |
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sugars and starches are examples of carbohydrates.
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| belong to the group of organic compounds know as nucleic acids. |
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| When two or more elements combine chemically, they form compounds. |
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| Oxygen Molecules move across cell membranes through a process calld osmosis. |
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| Small molecules called amino acidsmake up proteins. |
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| The function of diffusion in the cell is to help take in substances needed in the cell like oxygen AND get rid of wastes made by the cell like CO2. |
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