Midterm Crossword

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Across
  1. 2. The process in which cells make ATP by breaking down sugar (glucose).
  2. 5. The process in which cells make ATP by breaking down sugar (glucose) using oxygen.
  3. 8. The organelles that are the site of aerobic respiration in eukaryotic cells.
  4. 9. This molecule results when ATP is broken down and releases its energy.
Down
  1. 1. The second step of cell respiration. Acetyl CoA ("half a sugar") is broken down to produce electron carriers, ATP and CO2. Takes place in the mitochondrial matrix.
  2. 3. A molecule that acts as an energy source in all cells.
  3. 4. The solution that fills the inner membrane of the mitochondria. The location of the Kreb's cycle.
  4. 5. The process in which cells make ATP by breaking down sugar (glucose) without oxygen.
  5. 6. The process in which glucose is broken down to pyruvic acid (pyruvate). Does not require oxygen. The first step in both aerobic and anaerobic respiration.
  6. 7. A process in which cells make a limited number of ATP by converting glucose into another organic compound, such as lactic acid or ethanol, without oxygen.