Chapter 2 Vocabulary Quiz

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Across
  1. 2. / Substance that speeds up the rate of a chemical reaction by lowering the activation energy.
  2. 5. / Subatomic particle that has a neutral charge.
  3. 8. / Positively charges subatomic particle.
  4. 11. / Process that changes one set of chemicals into another.
  5. 15. / Substance that forms hydrogen ions (H+) when dissolved in water. Hint: pH is less than 7.
  6. 16. / Substance that produces hydroxide ions (OH-) when dissolved in water. Hint: pH is greater than 7.
  7. 17. / Type of bond formed from the transfer of electrons.
  8. 18. / Bonds that link amino acids together.
  9. 21. / Weak acid or base that is used to prevent sharp changes in pH.
  10. 24. / When water molecules stick to each other.
  11. 25. / Negatively charged subatomic particle.
  12. 26. / Macromolecule containing carbon, hydrogen, oxygen, nitrogen, and phosphorus. Examples are DNA and RNA.
  13. 27. / Binds to an enzyme at the active site. Reactants of enzyme-catalyzed reactions.
  14. 29. / Measures the acidity of a solution and ranges from 0 to 14. Tests for acids and bases.
  15. 31. / When water molecules stick to other substances.
  16. 33. / Substance that does the dissolving.
  17. 34. / A protein that acts as a biological catalyst speeding up reactions in cells.
  18. 35. / Type of nucleic acid- makes proteins.
Down
  1. 1. / Macromolecule made of CHO with a 1:2:1 ratio, used for short term energy.
  2. 3. / Substance that is being dissolved.
  3. 4. / Weak attraction between oppositely charged regions of nearby molecules.
  4. 6. / Monomer of nucleic acids.
  5. 7. / The starting substances in a chemical reaction.
  6. 9. / Energy required to start a chemical reaction.
  7. 10. / The process of forming polymers by linking monomers.
  8. 12. / Monomer of a carbohydrate. "ONE" sugar.
  9. 13. / Macromolecule made of CHO, used for long term energy.
  10. 14. / Building blocks of proteins.
  11. 19. / The substance that is produced by a chemical reaction.
  12. 20. / Smaller units or smaller molecules. Building blocks of bigger molecules.
  13. 22. / Type of bond formed from the sharing of electrons.
  14. 23. / Macromolecule that contains carbon, hydrogen, oxygen, nitrogen, & sometimes sulfur.
  15. 28. / Smallest unit of matter.
  16. 29. / Molecule made from repeating units of smaller molecules all covalently bonded together.
  17. 30. / Forms organic molecules. Forms 4 covalent bonds.
  18. 32. / Type of nucleic acid- genetic material.