Chemistry comes alive

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Across
  1. 6. chemical reaction where a compound breaks down unto simpler substances(36)
  2. 8. ability of antibodies to block sites on bacteria(40)
  3. 10. reactant molecules change partners(36)
  4. 14. dissolve in fats but not water(43)
  5. 21. region around nucleus(26)
  6. 23. acts as an electrolyte(39)
  7. 25. smallest unit resulting from the chemical bonding of two or more atoms(28)
  8. 26. the dissolving medium(29)
  9. 28. ability to remove a proton from weak acid(41)
  10. 30. common waste product of protein breakdown(40)
  11. 34. large molecules made by bonding(42)
  12. 35. specific degree of hotness or coldness in the body(37)
  13. 36. gives off hydrogen ions in water and form salt(39)
  14. 39. substance that enhances the action of an enzyme(52)
  15. 42. gives the total number of atoms in each element(36)
  16. 43. shell outermost energy level(31)
  17. 46. ability to do work(24)
  18. 47. basic building block of nucleic acid(53)
  19. 48. substance being dissolved(29)
  20. 49. the unit is amino acid(47)
  21. 50. changes the rate of chemical reaction leaving permanent change(38)
Down
  1. 1. lipoids and protein-based substances that transport fatty acid(46)
  2. 2. amount of substance in a mixture(37)
  3. 3. no net electric charge(42)
  4. 4. study of biology and application of chemistry(38)
  5. 5. one or more solutes in solvent(29)
  6. 7. chemical change that involves transfer of electrons or oxygen among atoms(36)
  7. 9. isotopes that are unstable(28)
  8. 11. hydrophilic head, glycerol molecule, two hydrophobic fatty acid tail(47)
  9. 12. acquires a net – charge(32)
  10. 13. two poles of charge(34)
  11. 15. large particle size (lotions, muddy water)(30)
  12. 16. does not fully dissociate into ion solutions(41)
  13. 17. acquires a net + charge(32)
  14. 18. when + and – charge is lost(32)
  15. 19. 2 or more different kinds of atoms that binds(28)
  16. 20. acid largest molecule in the body which has two major classes, RNA and DNA(53)
  17. 22. surface on which an organism grows(52)
  18. 24. helps maintain the pH of a solution(41)
  19. 27. most abundant compound in the body(38)
  20. 29. bond when atom share electrons(32)
  21. 31. anything that takes up space(24)
  22. 32. 2 or more structural variations(27)
  23. 33. composed of 2 or more components physically intermixed(29)
  24. 37. proton donor in water(39)
  25. 38. bond transfer from one atom to the next(32)
  26. 40. element with the symbol O(26)
  27. 41. equal to atomic weight(29)
  28. 44. composed of more or less identical particles(25)
  29. 45. dispersed or suspended particles(30)