Chapter 6 Vocab Review

1234567891011121314151617181920212223242526272829303132333435363738
Across
  1. 1. a slight attraction that develops between the oppositely charged regions of nearby molecules
  2. 5. A substance that decreases the hydrogen ion concentration in a solution.
  3. 8. A type of protein that speeds up a chemical reaction in a living thing
  4. 9. Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.
  5. 13. A very large organic molecule composed of many smaller molecules
  6. 16. A mixture that forms when one substance dissolves another.
  7. 17. A charged atom
  8. 19. negatively charged particle
  9. 22. compound made up of carbon, hydrogen, and oxygen atoms; major source of energy for the human body
  10. 23. Center of an atom
  11. 25. compound with an amino group on one end and a carboxyl group on the other end
  12. 27. A substance made up of atoms of two or more different elements joined by chemical bonds
  13. 32. a molecule in which one side of the molecule is slightly negative and the opposite side is slightly positive
  14. 33. the substance in which the solute dissolves
  15. 34. reactant of an enzyme-catalyzed reaction
  16. 35. A pure substance made of only one kind of atom
  17. 36. A group of atoms bonded together
  18. 38. weak attraction between a hydrogen atom and another atom
Down
  1. 2. A substance that increases the hydrogen ion concentration of a solution.
  2. 3. Substance being dissolved
  3. 4. Energy needed to get a reaction started
  4. 6. A pocket or groove on the surface of the enzyme.
  5. 7. no charge
  6. 10. a bond formed when atoms share one or more pairs of electrons
  7. 11. compound that prevents sharp, sudden changes in pH
  8. 12. Basic unit of matter
  9. 14. a complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotides linked in a long chain.
  10. 15. A combination of two or more substances that are not chemically combined
  11. 18. positively charged particle
  12. 20. reaction the process by which one or more substances change to produce one or more different substances
  13. 21. A substance produced in a chemical reaction
  14. 24. Atoms of the same element that have different numbers of neutrons
  15. 26. substance that speeds up the rate of a chemical reaction
  16. 28. A chemical substance that is present at the start of a chemical reaction
  17. 29. A long molecule consisting of many similar or identical monomers linked together.
  18. 30. A building block of DNA, consisting of a five-carbon sugar covalently bonded to a nitrogenous base and a phosphate group.
  19. 31. A three dimensional polymer made of monomers of amino acids.
  20. 37. hydrogen ion concentration