Enzyme and Chemical Reaction Flashcards

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Catalyst

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A term that describes something that speeds up the rate of a chemical reaction without being changed itself.

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Enzyme

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A protein molecule that is necessary for most of the chemical reactions that occur in the cells of living things.

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Substrate

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The substance that the enzyme works on.

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Reactant

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A chemical substance that is present at the start of a chemical reaction.

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Substrate Product

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A substance formed as a result of a chemical reaction involving an enzyme.

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Chemical reaction

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A process in which substances change into new substances with different properties.

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Active site

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Site on the enzyme where the chemical reaction takes place.

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Denaturation

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This describes what happens to an enzyme when it loses its shape and no longer fits into the substrate molecule; caused by high temperatures.

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Inhibitor

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A substance that slows down or stops a chemical reaction.

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Concentration

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A quantity of a substance dissolved in or mixed with another substance.