The diagram below shows events triggered by the absorption of light by a chloroplast in a plant. Which of the following questions regarding the process of photosynthesis can best be answered by this diagram? Light Energy Chloroplast H+ H+ H+ H+ H+ H2O -> 2e- + 2H+ + 1/2 O2 ATP ADP + Pi Thylakoids Stroma A. What happens to the electrons extracted from carbon dioxide during photosynthesis? B. How is carbon from carbon dioxide incorporated into a glucose molecule during photosynthesis? C. What compound or structure in the cell harvests light energy during the light-independent processes of photosynthesis? D. When is oxygen produced during photosynthesis, and what is its source?
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3) Photosynthesis is broadly comprised of two stages: the light reactions and synthesis reactions. What are the reactants and products of each stage? 4a) Are electrons themselves transferred from pigment-to-pigment in Photosystem II? Explain your answer. 4b) Once the electrons hit the special chlorophyll describe what happens in the light reactions. Use the following words: redox, electron transport chain, primary electron acceptor, water split(ting), proton gradient ATP synthase, thylakoid space, stroma, NADPH.
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Directions: Fill-in the table below for the major events and features of photosynthesis. The option table is given for you to answer the needed materials and end products of photosynthesis. Major Events and Features of Photosynthesis REACTION SERIES | NEEDED MATERIALS | END PRODUCTS 1. Light-dependent reactions (take place in the thylakoid membrane) a. Photochemical reactions b. Electron transport c. Chemiosmosis 2. Carbon fixation reactions (take place in stroma)
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In the diagram of photosynthesis shown here, fill in each blank with the appropriate term: (a) Sunlight; (b) $\mathrm{CO}_{2} ;$ (c) Oxygen; (d) $\mathrm{H}_{2} \mathrm{O} ;$ (e) ATP and NADPH; (f) ADP and NADP+; (g) Sugar; (h) Light reactions; (i) Calvin cycle.
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