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Jeopardy

Jeopardy. Choose a category. You will be given the answer. You must give the correct question. Click to begin. Choose a point value. Choose a point value. Click here for Final Jeopardy. AP Biology. Energy. And. Metabolism. Rules!. 10 Point. 10 Point. 10 Point. 10 Point.

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Jeopardy

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  1. Jeopardy Choose a category. You will be given the answer. You must give the correct question. Click to begin.

  2. Choose a point value. Choose a point value. Click here for Final Jeopardy

  3. AP Biology Energy And Metabolism Rules! 10 Point 10 Point 10 Point 10 Point 10 Point 20 Points 20 Points 20 Points 20 Points 20 Points 30 Points 30 Points 30 Points 30 Points 30 Points 40 Points 40 Points 40 Points 40 Points 40 Points 50 Points 50 Points 50 Points 50 Points 50 Points

  4. Which of the following can be used to determine the rate of an enzyme-catalyzed reaction? • The rate of substrate formation • The decrease in temperature • The rate of enzyme formation • The rate of enzyme consumption • The rate of substrate consumption

  5. E. The rate of substrate consumption Substrate is used up as the product is formed; thus the product can be used as a measure of the rate of reaction

  6. Which of the following best describes the reaction shown below? • A + B AB + energy • Hydrolysis • An exergonic reaction • An endothermic reaction • Catabolism • An endergonic reaction

  7. B. An exergonic reaction The reaction is exergonic because it releases energy

  8. The role of oxygen in aerobic respiration is: A. To transport CO2 B. Most important in the Krebs cycle C. To transport electrons in glycolysis D. To provide electrons for the ETC E. Final electron acceptor in the ETC

  9. E. Final electron acceptor in the ETC

  10. The loss of hydrogen is known as: • Dehydration • Hydrogenation • Reduction • Oxidation • Both B and D

  11. D. Oxidation Remember, LEO the lion says GER

  12. C6H12O6 + 6O2 6H2O + 6CO2 + 38ATP • The process shown is: • Reduction and endergonic • Reduction ad exergonic • Oxidation and endergonic • Oxidation and exergonic • Neither reduction or oxidation

  13. D. Oxidation and exergonic The reaction is oxidation because carbon loses hydrogen atoms and it is exergonic because energy is released

  14. All of the following processes produce ATP except • Lactic acid formation • Oxidative phosphorylation • Glycolysis • The Krebs cycle • The electron transport chain

  15. Lactic acid formation • All other processes are parts of cellular respiration and produce some energy

  16. After strenuous exercise, a muscle cell would contain decreased amounts of ________ and increased amounts of ___________ • Glucose; ATP • ATP; glucose • ATP; lactic acid • Lactic acid; ATP • CO2; pyruvic acid

  17. C. ATP; lactic acid During sustained strenuous exercise, muscle cells use up ATP and oxygen rapidly and start to carry out anaerobic respiration.

  18. Match the process with its location • Glycolysis A. Cristae membrane • ETC B. Cytoplasm • Krebs cycle C. Inner matrix of the • mitochondria

  19. B; Glycolysis occurs in the cytoplasm • A; The electron transport chain occurs in the folded membranes, or cristae, of the mitochondria • C; The Krebs cycle occurs in the matrix of the mitochondria

  20. Which of the following is the most important thing that happens during aerobic respiration? • Electrons move down the ETC in a series of redox reactions • Acetyl CoA enters the Kreb cycle • NAD carries hydrogen to the ETC • ATP is produced • CO2 is produced in the Krebs cycle

  21. D. ATP is produced All other processes occur in cellular respiration, but ATP production is the most important event in respiration.

  22. The ATP produced during fermentation is generated by which of the following? • The electron transport chain • Substrate level phosphorylation • The Krebs cycle • Chemiosmosis • The citric acid cycle

  23. B. Substrate level phosphorylation This process produces the ATP in glycolysis and the Krebs cycle and subsequently during fermentation

  24. In addition to ATP, what is produced during glycolysis? • Pyruvate and NADH • CO2 and H2O • CO2 and ethyl alchohol • D. CO2 and NADH • E. H2O and ethyl alchohol

  25. Pyruvate and NADH • ATP, NADH, and two pyruvates are the end products of glycolysis. • It’s vital to know the reactants and products for each process of cellular respiration and photosynthesis!

  26. Which of the following probably evolved first? • The Krebs cycle • Oxidative phosphorylation • Glycolysis • The electron transport chain • The citric acid cycle

  27. C. Glycolysis Glycolysis occurs in the first phase of cellular respiration and does not require oxygen. The first organisms on earth were probably anaerobic because no free oxygen was available in the atmosphere.

  28. Which process of cell respiration is most closely associated with intracellular membranes? • Fermentation • The Krebs cycle • Glycolysis • Substrate level phosphorylation • Oxidative phosphorylation

  29. E. Oxidative phosphorylation This process occurs as protons flow through ATP synthetase on the cristae (membrane) of the mitochondria

  30. During cell respiration, most ATP is formed as a direct result of the net movement of: • Sodium ions diffusing through a membrane • Electrons flowing against a gradient • Electrons flowing through a channel protein • Protons flowing through a channel protein • Protons flowing against a gradient

  31. D. Protons flowing through a channel Most ATP is formed through protons, or hydrogen ions, flowing through the ATP synthetase channel

  32. Plants give off oxygen as a by-product of photosynthesis. This oxygen comes from: • The Krebs cycle • The Calvin cycle • Photolysis • Photorespiration • Cyclic photophosphorylation

  33. C. Photolysis The oxygen comes from the split water molecule at the beginning of photosynthesis. The water is split by solar energy.

  34. Indicate in which process each occurs: • light-dependent (2) light-independent • Oxygen is released • Carbon gets converted into sugar • Oxidative phosphorylation • ATP produced • Electrons flow through an ETC • Oxidation of NADPH to NADP

  35. A, C, D, E • B, F

  36. CAM plants keep their stomates close during the daytime to reduce water loss. They can do this because: • Can fix CO2 into sugars in the mesophyll • Can use photosystems I and II at night • Modify rubisco to not bind with oxygen • Can incorporate CO2 into organic acid at night • Have lenticels instead of stomates

  37. D. Can incorporate CO2 into organic acids at night During the night, CAM plants fix carbon dioxide into a variety of organic acids and are stored until the daytime to be used

  38. Which one of the following is NOT required for photosynthesis to occur? • CO2 • O2 • ATP • NADP • All of the above are required

  39. B. O2 All of the other materials are required, except oxygen, which is a by-product of photosynthesis

  40. Which of the following terms refers to chemical reactions in which energy is released? • Endergonic • Endothermic • Exergonic • Exothermic • Exothalmic

  41. C. Exergonic Remember, endergonic reactions require energy, and exergonic release energy.

  42. Which of the following is used to explain the interaction between the active site of an ezyme and its substrate? • Michaelis-Menten • Endosymbiont • Induced fit • Pressure-flow • Danielli

  43. C. Induced fit Each enzyme is specially structured to allow its substrate to “fit” and bind to the active site

  44. Which of the following is correct? • Substrates fit into the active site of an enzyme • Enzymes fit into the active site of a substrate • Active sites are at the top of the substrate • Enzymes have smooth surfaces • Substrates are larger than enzymes

  45. Substrates fit into the active site of an enzyme

  46. Which of the following would NOT cause an enzyme to denature? A. Raising the temperature of the enzyme 10°C B. Lowering the temperature of the enzyme 10°C C. Raising or lowering the pH of the enzyme D. Adding heavy metals to a solution containing the enzyme

  47. B. Lowering the temperature of the enzyme 10°C A lower temperature may slow a reaction, but would not denature the enzyme

  48. Which enzyme used in the Calvin cycle can bind with both CO2 and O2? • Oxido-reductase • RuBP (rubisco) carboxylase • Transferase • Reverse transcriptase • DNA polymerase

  49. B. RuBP carboxylase Remember, RuBP, or rubisco, is the main enzyme of the Calvin cycle

  50. Solar energy is absorbed and water is split during: • The light-dependent reactions • The light-independent reactions • The Krebs cycle • The Calvin cycle • The CAM reactions

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