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Enzymes

Enzymes. A Cell’s Catalysts. Credit picture: Mirjam Czjzek. CA Standard.

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Enzymes

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  1. Enzymes A Cell’s Catalysts Credit picture: Mirjam Czjzek

  2. CA Standard Students knowenzymes are proteins that catalyze biochemical reactions without altering the reaction equilibrium and the activities of enzymes depend on the temperature, ionic conditions, and the pH of the surroundings.

  3. Vocabulary • Catalyst: A substance that speeds up a chemical reaction without itself being changed • Enzyme: A biological catalyst that is usually a protein • Substrate: The reactant(s) upon which an enzyme has its action • Product: A substance that results from a chemical reaction

  4. Catalysts Lower Activation Energy

  5. Enzyme-Substrate Interaction

  6. Enzyme Inhibition

  7. Enzymes are… • Essential to all forms of life • Not “used up” by the reaction that they catalyze • Specific to the reaction that they catalyze

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