Biological molecules and water

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Across
  1. 3. Water molecules are this due to the uneven distribution of charge within them
  2. 5. This happens to ice because it is less dense
  3. 6. The atom in water that becomes slightly positively charged
  4. 8. A reaction that uses glucose to release energy
  5. 12. A reaction that build monomers into polymers
  6. 16. These are biological molecules made up of C, H and O
  7. 18. A simple sugar used as a reactant in respiration
  8. 19. A polymer of glucose stored in the liver and muscles of animals
  9. 20. The reagent used to test for the presence of sugars
Down
  1. 1. The type of bond where electrons are shared
  2. 2. The fact that water offers resistance to other substances and creates a surface to live on
  3. 4. A small molecule that joins together to make polymers
  4. 7. A key biological molecule that is needed for hydrolysis
  5. 9. The type of bond where electrons are transferred
  6. 10. A reaction that breaks polymers into monomers
  7. 11. The weak interactions that form between adjacent water molecules
  8. 13. The atom in water that becomes slightly negatively charged
  9. 14. The tendency of water molecules to stick to each other
  10. 15. A polymer of glucose stored in plants
  11. 17. A complex molecule made up of many monomers joined together