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Anything that has add and takes up space. |
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An explanation or representation of something that can not be seen. |
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A collection of atoms that all have the same number of protons. |
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Chemicals that result from atoms linking together. |
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A change that affects apperance but not the chemical makeup of a substance. |
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A change that alters the chemical makeup of elements or molecules of a substance. |
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One of three forms - solid, liquid, or gas - which every substance is capable of attaining. |
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The random motion of molecules from a high area of concentraion to an area of low concentration. |
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A measure of how much solute exists within a certain volume of solvent. |
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A membrane that allows some molecules to pass through but does not allow other molecules to pass through. |
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The tendency of a solvent to travel across a semi-permeable membrane into areas of high solute concentration. |
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A substance that alters the speed of a chemical reaction but is not usxed up in the process. |
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A molecule that contains only carbon and any of the following: Hydrogen, Oxygen, Nitrogen, Sulfur, and/or Phosphorous |
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The process by which living organisms produce larger molecules from smaller ones. |
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Two different molecules that have the same chemical formula. |
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Simple carbohydrates that contain 3 to 10 carbon atoms. |
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Carbohydrates that are made up of two monosaccharides. |
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Carbohydates that are made up of more than two monosaccharides. |
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A chemical reaction in which molecules combine by removing water. |
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Breaking down complex molecules by the chemical addition of water. |
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Lacking any affinity to water. |
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A lipid made from fatty acids that have no double bonds between carbon atoms. (In solid form at room temperature) |
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A lipid made from fatty acids that have at least one double bond between carbon atoms. (In liquid form at room temperature) |
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bond that links amino acids together in a protein. |
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A strong attraction between hydrogen atoms and certain other atoms (usually oxygen or nitrogen)in specific molecules. |
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