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AP Biology: Enzymes Flashcards

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5730341387EnzymeAn organic catalyst (protein) that speeds up a chemical reaction by lowering the activation energy0
5730341388SubstrateThe specific reactant(s) acted upon by an enzyme1
5730341389Active siteThe part of an enzyme molecule where a substrate molecule attaches2
5730480740enzyme-substrate complexreaction occurs in this stage of the process3
5730341402redWhich line (red or blue) represents an enzyme catalyzed reaction?4
5730341403blueWhich line (red or blue) represents an uncatalyzed reaction?5
5730341406activation energythe "hill" of this graph; amount of energy required to get a reaction started6
5730341417denaturationdestruction of the active site of the enzyme by breaking the weak bonds that hold the protein together in its 3-D structure7
8033598117product(s)the molecule(s) formed at the end of a reaction8
8033604702specificityproperty of enzymes in which the shape of the enzyme must match the shape of the substrate9
8033614851hydrolysistype of reaction that adds water to break down large macromolecules; digestion10
8033627102dehydration synthesistype of reaction that removes water to build large macromolecules from simple subunits11
8033650515increasing temperature/change in pHfactors that slow or stop enzyme-controlled reactions by denaturing the enzyme12

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