BIOL 1000 Study Guide - Quiz Guide: Allosteric Regulation, Enzyme Inhibitor, Competitive Inhibition

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14 Dec 2016
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Endergonic: reaction that can proceed only if free energy is supplied. Free energy ( g): the energy in a system that is available to do work. Activation energy: the initial input of energy required to start a reaction. Active site: the region of an enzyme that recognizes and combines with a substrate molecule. Substrate: a substance that an enzyme acts upon. Reactants: the atoms or molecules entering a chemical reaction. Catalysis: a non-protein group that binds very precisely to the enzyme: often metals like iron, copper, zinc or manganese. Cofactor: an inorganic or organic non-protein group that is necessary for catalysis to take place. Coenzyme: organic cofactors that include complex chemical groups of various kinds: organic molecules that are derived from vitamins. Enzyme inhibitor (competitive, non-competitive): a substance that slows down/prevents a reaction. Allosteric site: a regulatory site outside the active site.

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