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| The basic unit of structure and function in a living thing. |
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| An instrument that makes small objects look larger. |
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| A energy-rich organic compound, such as a sugar or a starch, that is made of the elements carbon, hydrogen, and oxygen. |
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| Any substance that cannot be broken down into simpler substances. |
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| Two or more elements that are chemically combined. |
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| A large organic molecule made of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. |
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| An energy-rich organic compound, such as fat, oil, or wax, that is made up of carbon, hydrogen, and oxygen. |
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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 proteins. |
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| A small molecule that is linked chemically to other amino acids to form proteins. |
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| A type of protein that speeds up a chemical reaction in a living thing. |
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| A cell structure that contains nucleic acids, the chemical instructions that direct all the cell's activities. |
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| A rigid layer of nonliving material that surrounds the cells of plants and some other organisms. |
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| A tiny cell structure that carries out a specific function within the cell. |
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| A structure in a plant cell and some other organisms that captures energy from the sun and uses it to produce food. |
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