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The Chemical Basis of Life

The Chemical Basis of Life. Acids and Bases . Basic Chemistry . Chemical Reactions . Organic Chemistry . Grab Bag . $100. $100. $100. $ 100. $100. $200. $200. $200. $200. $200. $300. $300. $300. $300. $300. $400. $400. $400. $400. $400. $500. $500. $500.

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The Chemical Basis of Life

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  1. The Chemical Basis of Life Acids and Bases Basic Chemistry Chemical Reactions Organic Chemistry Grab Bag $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 FINAL ROUND

  2. Basic Chemistry: $100 Question • These subatomic particles account for most of the mass of an atom: • a. protons and neutrons • b. protons and electrons • c. protons only • d. electrons only ANSWER BACK TO GAME

  3. Basic Chemistry: $100 Answer • These subatomic particles account for most of the mass of an atom: • a. protons and neutrons • b. protons and electrons • c. protons only • d. electrons only BACK TO GAME

  4. Basic Chemistry: $200 Question • This best describes the atomic number: • a. the number of protons • b. the number of electrons • c. it is unique for each element • d. all of these • e. b and c only ANSWER BACK TO GAME

  5. Basic Chemistry: $200 Answer • This best describes the atomic number: • a. the number of protons • b. the number of electrons • c. it is unique for each element • d. all of these • e. b and c only BACK TO GAME

  6. Basic Chemistry: $300 Question • Na+ (sodium ion) is a cation because of this: • a. it has gained an electron • b. it has lost a proton • c. it is negatively charged • d. it is positively charged ANSWER BACK TO GAME

  7. Basic Chemistry: $300 Answer • Na+ (sodium ion) is a cation because of this: • a. it has gained an electron • b. it has lost a proton • c. it is negatively charged • d. it is positively charged BACK TO GAME

  8. Basic Chemistry: $400 Question • These substances are important for their chemical reactivity, effects on osmosis and, electrical effects: • a. free radicals • b. electrolytes • c. isotopes • d. isomers ANSWER BACK TO GAME

  9. Basic Chemistry: $400 Answer • These substances are important for their chemical reactivity, effects on osmosis and, electrical effects: • a. free radicals • b. electrolytes • c. isotopes • d. isomers BACK TO GAME

  10. Basic Chemistry: $500 Question • This kind of bonding, though quite weak, causes large molecules to fold into three dimensional shape: • a. polar covalent • b. non polar covalent • c. ionic bond • d. hydrogen bond ANSWER BACK TO GAME

  11. Basic Chemistry: $500 Answer • This kind of bonding, though quite weak, causes large molecules to fold into three dimensional shape: • a. polar covalent • b. non polar covalent • c. ionic bond • d. hydrogen bond BACK TO GAME

  12. Chemical Reactions: $100 Question • Given the following: • CO2+ H2O H+ + HCO3- • These are the products of this reaction: • a. CO2+ H2O • b. H+ • c. H2O + HCO3- • d. H+ + HCO3- ANSWER BACK TO GAME

  13. Chemical Reactions: $100 Answer • Given the following: • CO2+ H2O H+ + HCO3- • These are the products of this reaction: • a. CO2+ H2O • b. H+ • c. H2O + HCO3- • d. H+ + HCO3- BACK TO GAME

  14. Chemical Reactions: $200 Question • This kind of reaction occurs when a large molecule, such as starch, is broken down into smaller ones, such as glucose: • a. synthesis • b. decomposition • c. dehydration • d. reversible ANSWER BACK TO GAME

  15. Chemical Reactions: $200 Answer • This kind of reaction occurs when a large molecule, such as starch, is broken down into smaller ones, such as glucose: • a. synthesis • b. decomposition • c. dehydration • d. reversible BACK TO GAME

  16. Chemical Reactions: $300 Question • The minimal energy needed to start a chemical reaction is known as this: • a. activation energy • b. mechanical energy • c. chemical energy • d. potential energy ANSWER BACK TO GAME

  17. Chemical Reactions: $300 Answer • The minimal energy needed to start a chemical reaction is known as this: • a. activation energy • b. mechanical energy • c. chemical energy • d. potential energy BACK TO GAME

  18. Chemical Reactions: $400 Question • The energy released by the breakdown of this molecule is used by cells for muscle contraction: • a. adenosine diphosphate • b. adenosine triphosphate • c. cyclic adenosine monophosphate • d. guanosine triphosphate ANSWER BACK TO GAME

  19. Chemical Reactions: $400 Answer • The energy released by the breakdown of this molecule is used by cells for muscle contraction: • a. adenosine diphosphate • b. adenosine triphosphate • c. cyclic adenosine monophosphate • d. guanosine triphosphate BACK TO GAME

  20. Chemical Reactions: $500 Question • Substances that speed up the rate of a chemical reaction without being changed by that reaction are this: • a. reactants • b. products • c. catalysts • d. buffers ANSWER BACK TO GAME

  21. Chemical Reactions: $500 Answer • Substances that speed up the rate of a chemical reaction without being changed by that reaction are this: • a. reactants • b. products • c. catalysts • d. buffers BACK TO GAME

  22. Acids and Bases $100 Question • Substances that accept H+ are known as this: • a. bases • b. acids • c. buffers • d. salts ANSWER BACK TO GAME

  23. Acids and Bases $100 Answer • Substances that accept H+ are known as this: • a. bases • b. acids • c. buffers • d. salts BACK TO GAME

  24. Acids and Bases $200 Question • These substances completely dissociate into water and release all of their H+: • a. weak acid • b. weak base • c. strong acid • d. strong base ANSWER BACK TO GAME

  25. Acids and Bases $200 Answer • These substances completely dissociate into water and release all of their H+: • a. weak acid • b. weak base • c. strong acid • d. strong base BACK TO GAME

  26. Acids and Bases $300 Question • Oven cleaner, which has a pH of 14, is ____ and contains ____ OH- than a neutral solution: • a. basic, more • b. basic, less • c. acid, less • d. acid, more ANSWER BACK TO GAME

  27. Acids and Bases $300 Answer • Oven cleaner, which has a pH of 14, is ____ and contains ____ OH- than a neutral solution: • a. basic, more • b. basic, less • c. acid, less • d. acid, more BACK TO GAME

  28. Acids and Bases $400 Question • The function of a buffer is to do this: • a. slow down chemical reactions • b. speed up chemical reactions • c. decrease pH of solutions • d. maintain a steady pH ANSWER BACK TO GAME

  29. Acids and Bases $400 Answer • The function of a buffer is to do this: • a. slow down chemical reactions • b. speed up chemical reactions • c. decrease pH of solutions • d. maintain a steady pH BACK TO GAME

  30. Acids and Bases $500 Question • This occurs when an excess of H+ are added to a solution: • a. pH decreases, acidity decreases • b. pH decreases, acidity increases • c. pH increases, acidity decreases • d. pH increases, acidity increases ANSWER BACK TO GAME

  31. Acids and Bases $500 Answer • This occurs when an excess of H+ are added to a solution: • a. pH decreases, acidity decreases • b. pH decreases, acidity increases • c. pH increases, acidity decreases • d. pH increases, acidity increases BACK TO GAME

  32. Organic Chemistry:$100 Question • In humans, this polysaccharide is used for energy storage: • a. sucrose • b. cellulose • c. starch • d. glycogen • e. glucose ANSWER BACK TO GAME

  33. Organic Chemistry:$100 Answer • In humans, this polysaccharide is used for energy storage: • a. sucrose • b. cellulose • c. starch • d. glycogen • e. glucose BACK TO GAME

  34. Organic Chemistry: $200 Question • This is not an example of a steroid: • a. cholesterol • b. triglycerides • c. bile salts • d. progesterone ANSWER BACK TO GAME

  35. Organic Chemistry: $200 Answer • This is not an example of a steroid: • a. cholesterol • b. triglycerides • c. bile salts • d. progesterone BACK TO GAME

  36. Organic Chemistry: $300 Question • This structure of a protein comes from the further bending and folding of pleated sheets and helices: • a. primary • b. secondary • c. tertiary • d. quaternary ANSWER BACK TO GAME

  37. Organic Chemistry: $300 Answer • This structure of a protein comes from the further bending and folding of pleated sheets and helices: • a. primary • b. secondary • c. tertiary • d. quaternary BACK TO GAME

  38. Organic Chemistry: $400 Question • DNA contains the complementary base pairs: cytosine-guanine • adenine-uracil • True/False ANSWER BACK TO GAME

  39. Organic Chemistry: $400 Answer • DNA contains the complementary base pairs: cytosine-guanine • adenine-uracil • True/False BACK TO GAME

  40. Organic Chemistry:$500 Question • The following statement can be said about enzymes: • a. lowers activation energy of reactions • b. regulates chemical activities in the body • c. 3D shape is essential for normal function • d. all of these • e. b and c only ANSWER BACK TO GAME

  41. Organic Chemistry:$500 Answer • The following statement can be said about enzymes: • a. lowers activation energy of reactions • b. regulates chemical activities in the body • c. 3D shape is essential for normal function • d. all of these • e. b and c only BACK TO GAME

  42. Grab Bag:$100 Question • The proteins found in the blood are this: • a. solutes • b. solvents • c. colloid • d. suspension ANSWER BACK TO GAME

  43. Grab Bag: $100 Answer • The proteins found in the blood are this: • a. solutes • b. solvents • c. colloid • d. suspension BACK TO GAME

  44. Grab Bag: $200 Question • Water dissolves a broad range of substances, is cohesive because of hydrogen bonding and provides lubrication to membranes in the body. • True/False ANSWER BACK TO GAME

  45. Grab Bag: $200 Answer • Water dissolves a broad range of substances, is cohesive because of hydrogen bonding and provides lubrication to membranes in the body. • True/False BACK TO GAME

  46. Grab Bag: $300 Question • This occurs when the cations and anions are attracted to the positive and negative ends of water molecules: • a. ionic bonding • b. dissociation • c. covalent bonding • d. hydrogen bonding ANSWER BACK TO GAME

  47. Grab Bag: $300 Answer • This occurs when the cations and anions are attracted to the positive and negative ends of water molecules: • a. ionic bonding • b. dissociation • c. covalent bonding • d. hydrogen bonding BACK TO GAME

  48. Grab Bag: $400 Question • A nonpolar covalent bond occurs when this happens: • a. an atom loses it electron completely • b. one atom attracts the shared electron more than the other • c. atoms attract electrons equally • d. two water molecules are attracted to each other ANSWER BACK TO GAME

  49. Grab Bag: $400 Answer • A nonpolar covalent bond occurs when this happens: • a. an atom loses it electron completely • b. one atom attracts the shared electron more than the other • c. atoms attract electrons equally • d. two water molecules are attracted to each other BACK TO GAME

  50. Grab Bag: $500 Question • This polysaccharide provides humans with dietary fiber or bulk: • a. starch • b. cellulose • c. glycogen • d. lactose ANSWER BACK TO GAME

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