Chapter 8 Biology

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Across
  1. 2. Any nonprotein molecule or ion that is required for the proper functioning of an enzyme.
  2. 4. non protein molecule that activated the enzyme, can be viatmins or made from vitamines
  3. 6. respiration, the process by which cells use oxygen to produce energy from food
  4. 8. Alcohol made by converting starches and sugars from plant material into alcohol and CO2.
  5. 13. bonds, the attractive force that holds atoms or ions together
  6. 14. a substance that causes or hastens a chemical reaction; any agent that causes change
  7. 16. proteins that act as biological catalysts
  8. 17. energy, Energy needed to get a reaction started
  9. 20. molecules, non-carbon based molecules
  10. 21. strength, energy required to break a bond
  11. 22. An organelle found in plant and algae cells where photosynthesis occurs
  12. 23. long linear chains of polypeptides
Down
  1. 1. Conversion of light energy from the sun into chemical energy.
  2. 3. involved in the synthesis of organic molecules from carbon dioxide and water.
  3. 4. Cycle, energy from ATP and NADPH is used to build sugars
  4. 5. respiration, the process by which cells use oxygen to produce energy from food
  5. 7. energy, energy available to do work
  6. 9. acid, product of fermentation in many types of cells, including human muscle cells
  7. 10. respiration, Respiration that does not require oxygen
  8. 11. lesser amount of hydrogen ion concentration, higher pH
  9. 12. A substance that cannot be broken down into simpler substances
  10. 15. respiration, Respiration that requires oxygen
  11. 18. molecules, molecules that contain carbon
  12. 19. greater amount of hydrogen ion concentration, lower pH