3:14 X photosynthesis workshee Topic # 14 Photosynthesis 1. True or false. The point of photosynthesis is to make sugar. outer membrane inner membrane stroma thylakoid channel interconnecting thylakoids granum (stack of thylakoids) 2. In the diagram above, where do the light-dependent reactions occur? 3. In the above diagram, where do the light-independent reactions occur? 4. In which part of photosynthesis is light energy converted into chemical energy? 5. What is the point of the light-independent reactions? 6. True or false. The light-dependent reactions happen during the day and the light-independent reactions happen during the night. 7. True or false. Photosynthesis is the process by which plants USE energy to stay alive.

3:14 X photosynthesis workshee Topic # 14 Photosynthesis 1. True or false. The point of photosynthesis is to make sugar. outer membrane inner membrane stroma thylakoid channel interconnecting thylakoids granum (stack of thylakoids) 2. In the diagram above, where do the light-dependent reactions occur? 3. In the above diagram, where do the light-independent reactions occur? 4. In which part of photosynthesis is light energy converted into chemical energy? 5. What is the point of the light-independent reactions? 6. True or false. The light-dependent reactions happen during the day and the light-independent reactions happen during the night. 7. True or false. Photosynthesis is the process by which plants USE energy to stay alive.

Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN:9781305073951

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter6: Where It Starts-Photosynthesis

Section: Chapter Questions

Problem 4CT: As you learned in this chapter, cell membranes arc required for electron transfer phosphorylation....

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Plants containing only chlorophyll b are exposed to radiation with the following wavelengths: 10nm (x- rays), 450nm (blue light), 670nm (red light), and 800nm (infrared light). Which plants harness the most energy for photosynthesis? X-ray irradiated plants Blue light irradiated plants Red light irradiated plants Infrared irradiated plants
From which component of the light-dependent reactions does NADPH form most directly? photosystem II photosystem I cytochrome complex ATP synthase
As you learned in this chapter, cell membranes arc required for electron transfer phosphorylation. Thylakoid membranes in chloroplasts serve this purpose in photosynthetic eukaryotes. Prokaryotic cells do not have this organelle, but many are photosynthesizers. How do you think they carry out the light-dependent reactions, given that they have no chloroplasts?
In which compartment of the plant cell do the light- independent reactions of photosynthesis take place? thylakoid stroma outer membrane mesophyll
What accumulates inside the thylakoid compartment of chloroplasts during the light-dependent reactions? a. sugars b. hydrogen ions c. O2 d. CO2
Match each term with the best description. ______ PGAL a. absorbs light ______ CO2 fixation b. converts light to chemical energy ______ photolysis c. self-feeder ______ ATP forms; NADPH does not d. electrons cycle back to photosystem I ______ photorespiration e. problem in C3 plants ______ photosynthesis f. Calvin-Benson cycle product ______ pigment g. water molecules split ______ autotroph h. rubisco function
In which organelle does photosynthesis take place in plants? Where in that organelle are the two stages of photosynthesis carried out?
In C3 plants, ______ makes sugar production inefficient when stomata close during the day. a. photosynthesis b. photolysis c. photorespiration d. carbon fixation
Which of the following is a correct step in the light-dependent reactions of the Z system? a. Light is absorbed at P700, and electrons flow through a pathway to NADP+, the final acceptor of the linear pathway. b. Electrons flow from photosystem II to water. c. NADP+ is oxidized to NADPH as it accepts electrons. d. Water is degraded to activate P680. e. Electrons pass through a thylakoid membrane to create energy to pump H+ through the cytochrome complex.
Which order of molecular conversions is correct for the Calvin cycle? RuBP + G3P 3-PGA sugar RuBisCO CO2 RuBP G3P RuBP + CO2 [RuBisCO] 3-PGA G3P CO2 3-PGA RuBP G3P
What is the significance that the combined absorption spectra of chlorophylls a and b roughly match the action spectrum of photosynthesis? Would photosynthesis be more efficient if their individual absorption spectra coincided exactly?
Match each with its most suitable description. _____PGAL formation a. absorbs light _____CO2 fixation b. converts light to _____photolysis chemical energy _____ATP forms; NADPH c. self-feeder does not d. electrons cycle back _____photorespiration to photosystem I _____photosynthesis e. problem in C3 plants _____pigment f. ATP, NADPH _____autotroph required g. water molecules split h. rubisco function