Thursday 26 April 2012

BIO 12 UNIT 2: Study Notes



ENZYMES

KEY TERMINOLOGY

  • Metabolism: Chemical reactions that occur in cells of living organisms that are crucial to their survival
  • Enzymes: Proteins whose shape determines its function, coded for by DNA, produced at ribosome during Protein Synthesis (Transcription), catalyze chemical reactions without being consumed, work to decrease activation energy
  • Activation Energy: The amount of energy that must be supplied to cause molecules to react with one another [Enzyme binding sites decrease A.E.]
  • Substrate: "Reactants" of the chemical reaction (the entities that  bind to active sites of apoenzymes to help create Enzyme Substrate Complex --> products)
  • Coenzymes: A non-protein molecule that is beside the apoenzyme to complete the active site structure so that enzyme catalyzation can occur

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