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Reactions n Enzymes

Chemical reactions and Enzymes Notes

QuestionAnswer
A process that changes/transforms one set of chemicals into another. Chemical reaction(s)
The elements or compounds that enter into/begin a chemical reaction. Reactants
The elements or compounds that are produced by/result from a chemical reaction. Products
Energy is released; the products have less energy than the reactants. Exothermic reaction
Energy is absorbed; the products have more energy than the reactants. Endothermic reaction
The energy needed to get a chemical reaction started. Activation energy
Chemical reactions that release energy... Occur spontaneously
Chemical reactions that absorb energy... Won't occur without a source of energy.
A substance that lowers the activation energy/speeds up a chemical reaction. Catalyst
Protiens that act as biological catalysts; speed up reactions that take place in cells. Enzymes
Enzymes work by... Creating an ideal environment for a chemical reaction to take place.
Reactants of enzyme-catalyzed reactions. Substrates
A specific location on an enzyme where substrates bind. Active site
Association between enzymes and substrates. Enzyme-Substrate Complex
The _______ of large enzyme molecules allows them to function. Shape
Can cause changes in an enzyme's shape and can reduce/destroy the enzyme's effectiveness as a catalyst. Changes in pH levels or temperature
Created by: Coonae
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