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24 Cards in this Set
- Front
- Back
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organic catlyst
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enzyme
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example of an inorganic catalyst
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manganese dioxide or platinum
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any chemical that speeds up a chemical reaction
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catalyst
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a specific enzyme that breaks down hydrogen peroxide
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catalase
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amount of energy needed to start a chemical reaction
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activation energy
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what an enzyme lowers in a reaction, and this make the reaction happen more easily
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the activation energy
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up until a certain temperature, heat will ____ an enzyme reaction
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increase the speed of
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when a certain temperature is exceeded, heat will _____ an enzyme reaction
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stop
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a high amount of heat will ____ an enzyme
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denature
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part of an enzyme where the reactant connects to the enzyme
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active site
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name of the reactant in an enzyme reaction
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substrate
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two factors that can readily change the shape of an enzyme and hence change its ability to help a reaction
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temperature and pH
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nonprotein helpers that are part of an enzyme
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cofactors or coenzymes
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slowing down of an enzyme's function
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inhibition
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type of inhibitor of an enzyme that blocks the substrate
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competitive inhibitor
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type of inhibitor of an enzyme that does not block the substrate itself
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noncompetitive inhibitor
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when the end product of a reaction inhibits an enzyme so that less of the product gets made
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feedback inhibition
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an enzyme from the mouth that breaks down carbohydrates
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amylase
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an enzyme from the stomach that breaks down proteins
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pepsin
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an enzyme that breaks down sucrose
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sucrase
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an enzyme from the pancreas and small intestine that breaks down carbohydrates
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amylase (again!)
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an enzyme from the pancreas and small intestine that breaks down lipids
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lipase
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an enzyme from the small intestine that breaks down lactose
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lactase
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three letters often found at the end of an enzyme's name
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ase
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