S3 Enzymes Flashcards

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Enzymes

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speed up chemical reactions

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What happens to enzymes at the end of a chemical reaction?

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They are unchanged.

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What Enzymes are made of

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Proteins

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Substrate

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The chemical substance(s) on which an enzyme acts (works)

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Product

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the substance/substances produced at the end of the enzyme reaction.

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Active site of an enzyme

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is the part of the enzyme where a substrate attaches and a chemical reaction occurs.

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Enzyme-Substrate Complex

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forms when the substrate combines with the active site of the enzyme.

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Specific

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Enzymes are specific. This means they only work on one substrate.

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Products of the breakdown of hydrogen peroxide by the enzyme catalase

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Oxygen and water

(HPCOW)

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Degradation reactions

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involves the breakdown of large substrate molecules into smaller products