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Biology 9 1

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Biology 9 1

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

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