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Photosynthesis and Cellular Respiration

JEOPARDY REVIEW. Photosynthesis and Cellular Respiration. TRUE (A) or FALSE (B): The Light Dependent Reactions use Carbon Dioxide. The reaction center The ETC NADP+ reductase carotenoids.

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Photosynthesis and Cellular Respiration

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  1. JEOPARDY REVIEW Photosynthesis and Cellular Respiration

  2. TRUE (A) or FALSE (B): The Light Dependent Reactions use Carbon Dioxide.

  3. The reaction center The ETC NADP+ reductase carotenoids Energy from the Light Harvesting Complex (pigments) are passed from molecule to molecule until they reach what?

  4. PS II then PS I PS I then PS II PS III, PS II, then PS I PS 0, PS 1, PS II What is the correct order of the photosystems?

  5. stroma Thylakoid space Thylakoid membrane Intermembrane space Where are the photosystems located?

  6. In cyclic energy flow, both ETC’s are used In noncyclic energy flow, both ETC’s are used In cyclic energy flow, the ETC before PSII is used In cyclic energy flow, the ETC before PSI is used Both B & C Both B & D Which of the following statements regarding cyclic & noncyclic electron flow are true?

  7. In cyclic energy flow, only ATP is made In noncyclic energy flow, ATP & NADPH are made Cyclic electron flow produces more energy than noncyclic energy flow Both A and B All of the above are true What is the difference in energy produced between cyclic and noncyclic energy flow?

  8. Thylakoid space/ lumen Intermembrane space Stroma cytoplasm In photosynthesis, before ATP is generated, where is the H+ concentration greatest?

  9. Thylakoid space/ lumen Intermembrane space Stroma cytoplasm In photosynthesis, where is the ATP/ NADPH produced?

  10. Carbon dioxide Chlorophyll a Water Glucose In photosynthesis, what molecule does oxygen originate from?

  11. discrete bundle of light energy • A dissociated proton in solution • An electron in the excited state • A primary electron acceptor that has taken an electron What is a photon?

  12. Green & yellow light Green light only Blue & red light Blue light only Which colors of light are most effectively absorbed by chlorophyll?

  13. 1) Chlorophyll b of PS I 2) Chlorophyll a of PS I 3) Primary electron acceptor 4) Oxygen 5) NADP+ When electrons reach the end of the E.T.C. after leaving PS II, what takes those electrons?

  14. ADP Chlorophyll a of PS II Primary electron acceptor Oxygen NADP+ After light energy excites electrons from PS I and those electrons “fall down” the next E.T.C., what takes those electrons?

  15. carbon fixation, reduction, regeneration of RuBP reduction, regeneration of RuBP, carbon fixation regeneration of RuBP, carbon fixation, reduction carbon fixation, regeneration of RuBP, reduction What is the correct order for the phases of the Calvin Cycle?

  16. A 3-C sugar (GP) is phosphorylated and reduced 5 molecules of G3P are regenerated into RuBP using 3 ATP Inorganic carbon dioxide becomes part of an organic molecule None of the above What happens in the Carbon Fixation phase of the Calvin Cycle?

  17. A 3-C sugar (GP) is phosphorylated and gains electrons 5 molecules of G3P are regenerated into RuBP using 3 ATP Inorganic carbon dioxide becomes part of an organic molecule None of the above What happens in the Reduction phase of the Calvin Cycle?

  18. The ETC Glycolysis Link Reaction Krebs Cycle Both C & D B, C, & D Where does carbon dioxide come from in cellular respiration?

  19. Krebs cycle Link reaction Glycolysis ETC A and C A, B, & C B & C In cellular respiration, where are 2 ATP made through substrate level phosphorylation?

  20. Cristae Inner membrane Intermembrane Mitochondrial matrix Where in the cell does the Kreb’s cycle take place?

  21. 1 NADH: 2 ATP; 1 FADH2 : 3 ATP 1 NADH: 3 ATP; 1 FADH2 : 2 ATP 1 NADH: 1 ATP; 1 FADH2 : 2 ATP 1 NADH: 2 ATP; 1 FADH2 : 2 ATP What is the “ATP exchange rate” for NADH and FADH2?

  22. 10% 20% 30% 40% 50% 60% Approximately what % of the energy in glucose is converted to ATP?

  23. 2

  24. 2

  25. 24 4

  26. Stroma Vein Mesophyll cell Stomata Bundle sheath cell Through which structure does carbon dioxide enter the leaf?

  27. redox reactions oxygen proton motive force chemiosmosis What is actually driving the synthesis of ATP (providing the energy to make ATP) in Cellular Respiration?

  28. Rubisco ATP synthase ATP reductase Dehydrogenase What is the name of the enzyme generating ATP?

  29. the electrons from FADH2 are dropped off farther down the ETC than NADH (at a lower energy level) • fewer H+ ions are pumped across the membrane • Only 1 electron is dropped off at the ETC instead of 2 • Both A and B • Both A and C Why doesn’t FADH2 result in the same amount of generated ATP as NADH?

  30. Intermembrane space Matrix Cytoplasm None of the above In cellular respiration, when H+ ions are pumped across through ETC protein channels, where are they more concentrated?

  31. Intermembrane space Matrix Cytoplasm None of the above In cellular respiration, where is ATP produced due to oxidative phosphorylation?

  32. Rubisco Acetyl-CoA RuBP Oxaloacetate In the Kreb’s cycle, acetyl-CoA binds to a molecule that will be regenerated by the end of the cycle. What is the name of that molecule?

  33. It has taken electrons It has given electrons It has been reduced Both A and C If a molecule has been oxidized, what does that mean?

  34. Can grow in either presence or absence of oxygen • Must grow in oxygen • Must grow without oxygen What is meant by the term “facultative anaerobe?”

  35. It has taken electrons It has given electrons It has been reduced Both A and C If a molecule is a “reducing agent,” what does that mean?

  36. Recycle NADH without an ETC Glycolysis can continue to produce 2 ATP It allows mitochondria & ETC to operate without oxygen Oxidative phosphorylation can occur with NAD+ as the final electron acceptor Both A & B Both C & D Why is lactic acid fermentation a benefit to your muscle cells?

  37. Methanol Ethanol Acetylaldehyde Lactic acid What is the end product of alcoholic fermentation?

  38. 0, NADH isn’t recycled 1 2 3 How many steps does it take to recycle NADH in alcoholic fermentation?

  39. no useful product is formed glucose G3P RuBP What is the end result of photorespiration?

  40. Carbon dioxide is being transported to a bundle sheath cell Oxygen outcompetes carbon dioxide for the active site of rubisco Rubisco has a very high affinity for carbon dioxide Rubisco has a very high affinity for oxygen Why does photorespiration occur?

  41. C-3 plants use 3 different cells to fix carbon dioxide & C-4 plants use 4 cells C-3 plants use the same cell for everything but C-4 plants use 1 cell for carbon fixation but a different cell for reduction & regeneration of RuBP (the Calvin cycle is divided into 2 cells) C-3 plants use the same cell for everything but C-4 plants have a step prior to the Calvin cycle that fixes carbon dioxide. This molecule is then moved to a different cell where the entire Calvin cycle occurs C-3 plants, use the same cell for everything but C-4 plants bring in their carbon dioxide at night which is then used in the Calvin cycle the next day How is carbon fixation in a C-4 plant different than in C-3 plants?

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