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L10) Catalytic role of enzymes

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Terms in this set (4)

  • Proximity effect

    They grab the molecules that need to react (called substrates) and hold them right next to each other in the perfect position.

    • Brings reactants together

  • Orientation effect

    Holds reactants at the required distance/direction (orientation) for the chemical reaction occur

  • Energy effect

    how a chemical reaction changes, uses, or releases energy to make things happen in a living cell

    • Lowers activation energy through the straining on the bonds of substrates

    • Increases activation energy through less straining on the bonds of substrates

  • Catalytic effect

    Provides acidic, basic and other types of functional groups that are required for catalysis

    • a special molecule (usually an enzyme) speeds up a chemical reaction without getting used up itself.