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Reactant of an enzyme-catalyzed reaction

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Catalysts for chemical reactions in living things

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Substance that speeds up the rate of a chemical reactions

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Building blocks of protein

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Three dimensional polymer made monomers of amino acids

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Macromolecules containing hydrogen, oxygen, nitrogen. Carbon

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Macromolecules made mainly from carbon and hydrogen atoms

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Starches and sugars present in foods

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Large compound formed from combinations of many monomers

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Small chemical unit that makes up a polymer

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Compound that produces hydroxide ions in solutions

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Any compounds that forms H+ ions in solution

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An attraction between molecules of different substance

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An attraction between molecules of same substance

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Electrons on the outermost energy level of an atom

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Chemical bond that involves sharing a pair of electrons between atoms in a molecule

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Chemical bond formed when one or more electrons are transferred from one atom to another

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An atom or group of atoms that has a positive or negative charge

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One of several forms of a single element, which contains the same number of protons but different numbers of neutrons.

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Basic unit of matter