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| Any substance that can not be broken down into a simpler substance. |
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| Two or more elements that are chemically combined. |
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| An energy-rich organic compound, such as sugar and starch, that contain carbon, hydrogen, and oxygen. |
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| Large organic molecule made of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. |
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| A small molecule that is chemically linked to other amino acids to form proteins. |
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| A type of protein that speeds up chemical reactions in living things. |
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| Energy-rich organic compound , such as fat, oil, and wax, that is made of carbon, hydrogen, and oxygen. |
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| Very large organic compound made of carbon, hydrogen, oxygen, nitrogen, and phosphorus, that contains the instructions cells need to carry out all of the cell's functions. |
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| The genetic material that carries information about an organism and is passed from parent to offspring. |
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| A nucleic acid that plays an important role in the production of protiens. |
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| A propertyof cell membranes that allows some substancesto pass through, while others can't. |
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| The proccess by which molecules move from an area of higher consentration to an area of lower consentration. |
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| The diffusion of water molecules through a selectivly permeable membrane. |
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| The movement of materials through a cell membrane without using energy. |
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| The movement of molecules through the cell membrane using energy. |
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