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Biology 9 1
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Biology 9 1

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Transcript

  • 1. Chemical Pathways 9.1
  • 2. Calorie
    Term used by scientists to measure the energy stored in foods.
  • 3. Glycolysis
    First step in releasing the energy of glucose, in which a molecule of glucose is broken into two molecules of pyruvic acid.
  • 4. Cellular Respiration
    Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen.
  • 5. NAD+
    Electron carrier involved in glycolysis.
  • 6. Fermentation
    Process by which cells release energy in the absence of oxygen.
  • 7. Anaerobic
    Process that does not require oxygen.
  • 8. Key Concept
    What is cellular respiration?
    Cellular respiration is the process that releases energy by breaking down glucose and other food molecules in the presence of oxygen.
  • 9. Key Concept
    What happens during the process of glycolysis?
    Glycolysis is the process in which one molecule of glucose is broken in half, producing two molecules of pyruvic acid, a 3-carbon compound.
  • 10. Key Concept
    What are the two main types of fermentation?
    The two main types of fermentation are alcoholic fermentation and lactic acid fermentation.