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| results from changes to independent variable |
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| only factor that can change at a time |
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| constant, in and depenedent variable |
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| atoms with different numbers of neutrons |
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| electrical attraction between 2 appositively atoms or groups of atoms |
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| atom that has lost one or more electrons |
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| process in which atoms or groups of atoms reorganize into different substances |
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| amount of energy needed to start a reaction |
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| lipids that make up cell membrane |
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| connection between first N and last C |
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| lipids, proteins, nucleic acids, monosaccharides |
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| simple sugars- glucose, fructose, galactose |
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| 2 sugars-sucrose, lactose, maltose |
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| storage energy-starch, glycogen, cellulose |
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| anything that causes a chemical reaction to occur |
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