Chapter 2 review

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Across
  1. 2. When two different molecules hydrogen bond
  2. 3. Isotopes have differing numbers of...
  3. 6. Reacted with starch to turn deep purple
  4. 10. Molecule of energy in the cell
  5. 12. Ionic bonds are formed as a result of ___ electrons
  6. 14. Photosynthesis is a non-spontaneous reaction because it ___ energy
  7. 16. Sugars are stored as ___ for energy in plants
  8. 18. Electrons hold very very little...
  9. 20. Enzyme found in pineapple
  10. 22. The jello texture was the ___ variable
  11. 24. __ have charge
  12. 25. Unsaturated fats contain ___ carbon-carbon double bonds
  13. 27. Made up of a sugar-phosphate backbone and a nitrogen base
  14. 28. substance formed by chemically joining two or more elements
  15. 30. Water has a partial ___ charge at the oxygen side
  16. 33. The function of DNA and ___ is to store and transmit genetic information
  17. 34. Butter is a ___ fat
  18. 35. Protein structure made up of multiple polypeptide chains
  19. 36. Binds to an enzyme to form the lock and key complex
  20. 37. The chemical bonding of monomers to itself form is called
Down
  1. 1. Solute dissolves in ___
  2. 4. ___ reactions don't require constant input of energy
  3. 5. Solute + solvent =
  4. 7. Universal solvent
  5. 8. Monosaccharides form...
  6. 9. Enzymes catalyze reaction by ___ activation energy
  7. 11. Has no formal monomer
  8. 13. A negative ion forms when an atom ____ electrons
  9. 15. In a controlled experiment, ___ variable is changed at a time
  10. 17. Polymer of amino acids
  11. 19. When two of the same molecules hydrogen bond
  12. 21. ___ ions are present in higher concentrations in acidic solutions
  13. 23. The tendency for an element to "like" electrons
  14. 26. Protein structure that determines the local folding of a polypeptide chain
  15. 29. Unraveling of a protein's structure
  16. 31. In an enzyme, the reaction takes place in its ___ site
  17. 32. ___ bonds form from the sharing of electrons