Biology

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Across
  1. 1. Waste gas product produced during aerobic respiration and fermentation.
  2. 5. Extra oxygen needed after vigorous exercise to break down lactic acid.
  3. 6. Primary energy-carrying molecule produced during cellular respiration.
  4. 7. Type of alcohol produced during anaerobic respiration in yeast cells.
  5. 10. Single-celled fungus capable of both aerobic and anaerobic respiration.
  6. 11. Cellular process that requires oxygen to fully break down glucose for energy.
  7. 12. Cellular process that breaks down glucose without oxygen, releasing less energy.
  8. 15. Organelles where the chemical reactions of aerobic respiration occur.
Down
  1. 2. Gas required for aerobic respiration to completely oxidize glucose.
  2. 3. Simple sugar used as the primary substrate for cellular respiration.
  3. 4. Chemical breakdown of food molecules inside living cells to release energy.
  4. 8. Chemical indicator used to test for the presence of carbon dioxide.
  5. 9. Process of anaerobic respiration carried out by organisms like yeast.
  6. 13. Biological proteins that control and speed up respiratory reactions.
  7. 14. Toxic byproduct built up in muscle cells during anaerobic exercise.