bio

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Across
  1. 4. important for releasing and storing energy within an organism
  2. 6. A measurement of the energy content of food
  3. 7. electrons are passed from one molecule to another
  4. 9. doesn't require oxygen
  5. 11. the main type of sugar in the blood and is the major source of energy for the body's cells
  6. 12. helping turn nutrients into energy
  7. 13. a chain of reactions occurring in the mitochondri
  8. 14. a series of reactions that extract energy from glucose by splitting it into two three-carbon molecules called pyruvates
  9. 16. a tissue in animal or plant cells
Down
  1. 1. the process in which a substance breaks down into a simpler substance
  2. 2. disinfectants and antiseptics
  3. 3. a chemical your body produces when your cells break down carbohydrates for energy
  4. 5. a series of chemical reactions that break down glucose to produce ATP
  5. 8. a colourless, odourless, tasteless gas essential to living organisms
  6. 10. requiring free oxygen.
  7. 15. store energy for future reactions or be withdrawn to pay for reactions when energy is required by the cell