Photosynthesis & Cellular Respiration Worksheet 1. What is the overall reaction (equation) for photosynthesis? 2. How does this compare to the overall reaction for cellular respiration? 3. Where does the energy for photosynthesis come from? 4. What plant pigments are involved in photosynthesis? 5. In what organelle of a plant cell does photosynthesis take place? 6. What is produced by photosynthesis?

Photosynthesis & Cellular Respiration Worksheet 1. What is the overall reaction (equation) for photosynthesis? 2. How does this compare to the overall reaction for cellular respiration? 3. Where does the energy for photosynthesis come from? 4. What plant pigments are involved in photosynthesis? 5. In what organelle of a plant cell does photosynthesis take place? 6. What is produced by photosynthesis?

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter8: Photosynthesis

Section: Chapter Questions

Problem 9RQ: How are the NADPH and GA3P molecules made during photosynthesis similar? They are both end products...

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From which component of the light-dependent reactions does NADPH form most directly? photosystem II photosystem I cytochrome complex ATP synthase
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.
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?
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
How are the NADPH and GA3P molecules made during photosynthesis similar? They are both end products of photosynthesis They are both substrates for photosynthesis They are both produced from carbon dioxide They both store energy in chemical bonds.
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
What accumulates inside the thylakoid compartment of chloroplasts during the light-dependent reactions? a. sugars b. hydrogen ions c. O2 d. CO2
The Relative Efficiency of ATP Synthesis in Noncyclic versus Cyclic Photophosphorylation If noncyclic photosynthetic electron transport leads to the translocation of 7 H+/2e- and cyclic photosynthetic electron transport leads to the translocation of 2 H+/e-, what is the relative photosynthetic efficiency of ATP synthesis (expressed as the number of photons absorbed per ATP synthesized) for noncyclic versus cyclic photophosphorylation? (Assume that the CF1CF0-ATP synthase yields 3 ATP/14 H+.)
Which of the following substances does not participate in the CalvinBenson cycle? a. ATP b. NADPH c. RuBP d. PGAL e. O2 f. CO2
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
Which of the following statements about the C4 cycle is incorrect? a. CO2 initially combines with PEP. b. PEP carboxylase catalyzes a reaction to produce oxaloacetate. c. Oxaloacetate transfers electrons from NADPH and is reduced to malate. d. Less ATP is used to run the C4 cycle than the C3 cycle. e. The cycle runs when O2 concentration is high.
Which complex is not involved in the establishment of conditions for ATP synthesis? photosystem I ATP synthase photosystem II cytochrome complex