STUDY GUIDE 4
Chapters 9-10 in Biological Science 2nd ed. by Scott Freeman
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OBJECTIVES
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1. |
Briefly explain cell respiration. 178
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Use a diagram to show ATP’s role as the main energy carrier in metabolism. Show chemical reactions involving the degradation of ATP and the synthesis of ATP. Note input and output of energy as well as loss and gain of phosphate groups.
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How are redox reactions involved in energy exchanges? Relate the transfer of electrons to the transfer of energy.
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Explain the methods of producing ATP. 182
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Explain glycolysis (first step of cell respiration). Consider initial reactant and final products as well as ATP and NADH gained. 184
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Explain the Krebs Cycle (second step of cell respiration). Consider initial reactant and final products as well as ATP, NADH, and FADH gained. 186-189
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Diagram and label a mitochondrion. 187
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8. |
Explain the Electron Transport Chain (third step of cell respiration). Consider initial reactants and final products as well as ATP and oxygen produced.
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9. |
Develop a diagram that explains how chemiosmosis works in the electron transport chain. 193
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10. |
Explain how the exergonic oxidation of glucose is coupled to the endergonic synthesis of ATP. 194-195
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11. |
How does fermentation work? What are the two different fermentation pathways?
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Cell respiration interacts with many metabolic pathways some catabolic and some anabolic. Why? Give examples. 197-198
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Describe the different ways that energy is captured. (Autotrophy and Heterotrophy) Provide examples of organisms considered autotrophs and heterotrophs.
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14. |
Diagram and label a chloroplast. 204
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15. |
What are pigment molecules and why are they necessary in photosynthesis? 205
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16. |
Which pigments are preferred for photosynthesis and why are they preferred? 205-206
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How are the absorption spectrum of pigments and the action spectrum for photosynthesis correlated?208
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18. |
Explain paper chromatography. 206
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19. |
Describe the light‑dependent reactions of photosynthesis. Summarize the events that occur in sequential steps. Include the following terms in your explanation: Photosystem II and ADP-ATP, NADP-NADPH, reaction center, Photosystem I, electron acceptor molecule.
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20.
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Contrast cyclic and noncyclic photophosphorylation. Use a sketch to show each process. 215-216
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OBJECTIVES |
NOTES |
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21. |
Explain how a proton (H+) gradient is established across the thylakoid membrane and how this gradient functions in ATP synthesis. 213
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22. |
Describe the light-independent (dark) reactions of photosynthesis. Summarize the events that occur in sequential steps. Include the following terms in your explanation: RUBP, carbon dioxide, carbon fixation, PGAL, glucose.
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23. |
How are C3 and C4 photosynthesis different? 221
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24. |
Explain CAM plants. 222
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25. |
Compare and contrast cellular respiration and photosynthesis.
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