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Reactant of an enzyme-catalyze reaction

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Protein catalyst that speeds up the rate of specific biological reactions

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Substance that speeds up the rate of a chemical reaction

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Compound with an amino group in one end and a carboxyl group on the other end

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Macromolecule that contains carbon, hydrogen, oxygen, and nitrogen needed by the body for growth and repair

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Macromolecule containing hydrogen, oxygen, nitrogen, carbon, and phosphorus

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Macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils and waxes.

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Compound made up of carbon, hydrogen, and oxygen atoms, types of nutrients that is the major source of energy for the body.

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Molecules composed of many monomers; makes up macromolecules

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Small chemical unit that makes up a polymer

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Compound that produces hydroxide ions (OH-) in a solution; a solution with a pH of more than 7

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Compound that forms hydrogen ions (H+) in a solution; a solution less than 7

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Force of attraction between different kinds of molecules

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Attraction between molecules of the same substance

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Electrons on the outermost energy level of an atom

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Type of bond between atoms in which the electrons are shared.

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

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Atom 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