substance that decreases activation energy and increases reaction rate in a chemical reaction
protein that catalyzes chemical reactions for organisms
reactant in a chemical reaction upon which an enzyme acts
process by which substances change into different substances through the breaking and forming of chemical bonds
energy input necessary to initiate a chemical reaction
polymer composed of amino acids linked by peptide bonds; folds into a particular structure depending on bonds between amino acids
attraction between a slightly positive hydrogen atom and a slightly negative atom
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