Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Textbook Question
Chapter 10.2, Problem 2CC
In the light reactions, what is the initial electron donor? Where do the electrons finally end up?
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In the light reactions, what is the initial electron donor?Where do the electrons finally end up?
Where do the protons used in the light reactions come from?
In cyclic photophosphorylation, how are the reaction center electrons replaced?
A) An electron is split off of water
B) The same electron returns
C) an electron is donated by an electron carrier
D) An electron splits off of ATP
E) The reaction center electrons are not replaced
Chapter 10 Solutions
Campbell Biology (10th Edition)
Ch. 10.1 - Prob. 1CCCh. 10.1 - Explain how the use of an oxygen isotope helped...Ch. 10.1 - WHAT IF? The Calvin cycle requires ATP and NADPH,...Ch. 10.2 - What color of light is least effective in driving...Ch. 10.2 - In the light reactions, what is the initial...Ch. 10.2 - Prob. 3CCCh. 10.3 - To synthesize one glucose molecule, the Calvin...Ch. 10.3 - How are the large numbers of ATP and NADPH...Ch. 10.3 - Prob. 3CCCh. 10.3 - DRAW IT Redraw the cycle in Figure 10.19 using...
Ch. 10.3 - Prob. 5CCCh. 10.4 - Describe how photorespiration lowers...Ch. 10.4 - The presence of only PS I, not PS II, in the...Ch. 10.4 - MAKE CONNECTIONS Refer to the discussion of ocean...Ch. 10.4 - WHAT IF? How would you expect the relative...Ch. 10 - Compare the roles of CO2 and H2O in cellular...Ch. 10 - The absorption spectrum of chlorophyll a differs...Ch. 10 - Prob. 10.3CRCh. 10 - Why are C4 and CAM photosynthesis more...Ch. 10 - The light reactions of photosynthesis supply the...Ch. 10 - Which of the following sequences correctly...Ch. 10 - How is photosynthesis similar in C4 plants and CAM...Ch. 10 - Prob. 4TYUCh. 10 - Prob. 5TYUCh. 10 - In mechanism, photophosphorylation is most similar...Ch. 10 - Prob. 7TYUCh. 10 - Prob. 8TYUCh. 10 - EVOLUTION CONNECTION Photorespiration can decrease...Ch. 10 - SCIENTIFIC INQUIRY MAKE CONNECTIONS The following...Ch. 10 - WRITE ABOUT A THEME: ENERGY AND MATTER Life is...Ch. 10 - SYNTHESIZE YOUR KNOWLEDGE Watennelon snow in...
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- When electrons flow from the NAD+ /NADH conjugate redox pair to the 1/2 O2/H2O redox pair, does the reaction begin with NAD1 or with NADH? What is produced—O2 or H2O?arrow_forwardThylakoids were isolated from chloroplasts and incubated in the dark in an acidic solution (pH 4) to equilibrate the pH. After 30 minutes, the thylakoids were transferred to a basic solution (pH 8) and kept in the dark. Will this system produce ATP? Explain. Will this system produce G3P? Explain.arrow_forwardWhat is the overall purpose of the light reactions in photosynthesis?arrow_forward
- What is the final electron acceptor in cyclic electron flow?arrow_forwardWhat are the principal metal ions used in electron transfer in chloroplasts? Compare them to the ions found in mitochondria.arrow_forwardWhat is the overall reaction (formula) for photosynthesis and How does this compare to the overall reaction for cellular respiration?arrow_forward
- DCPIP (2,6-dichlorophenol-indophenol), a blue dye, can act as an electron acceptor and becomes colorless when reduced. A suspension of chloroplasts is prepared, and DCPIP is added to the suspension. The sample is split into two test tubes. One test tube is exposed to light and the other is wrapped in foil (dark control). What would you observe over time comparing the light exposed and the dark control test tubes? A. The sample exposed to light stays blue. The sample kept in the dark turns colorless. B. The sample exposed to light turns colorless. The sample wrapped in foil stays blue. C. Both samples stay blue. D. Both samples turn colorless.arrow_forward(69)arrow_forwardWhen electron gradients are created in photosythesis and cellular respiration, the electrons are attatched to a proton, so why does it still have a negative charge?arrow_forward
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