Campbell Biology Custom Edition
10th Edition
ISBN: 9781269935906
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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Chapter 10, Problem 7TYU
Summary Introduction
Introduction: The light is a form of energy of
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Where did the energy to power the light-independent reactions come from?
A.
chlorophyll from photosystem
B.
FADH2FADH2 from the outer membrane
C.
NADH in mitochondria
D.
proton gradient across thylakoid
You continuously monitor the photosynthetic oxygen production from the leaf of a plant illuminated by white light. How and why would oxygen production change if you placed filters in front of the light source that transmit (a) only red, (b) only infrared, and (c) only green light onto the leaf?
Photosynthesis sustains plant growth, and inputs of sunlight sustain photosynthesis. Why, then, do seedlings that germinate in a fully darkened room grow taller than seedlings of the same species that germinate in full sun?
Chapter 10 Solutions
Campbell Biology Custom 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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- If you can observe plant lovers, they usually water their plants early in the morning and/or late afternoon. How are watering plants related to the process of photosynthesis?arrow_forwardWhat is the BEST explanation for why thylakoid membranes are flat and stacked? A. to fit more into a chloroplast B. to increase surface area for light absorption and cross- membrane traffic C. to increase the color of the leaf as camouflage from herbivores D. to hold more ATParrow_forwardprovide Hypothesis and conclusion linking your observed trend with the functioning of the light reactions in plants. How does the amount of light received affect the light reactions of photosynthesis?arrow_forward
- What stages of the light-dependent reactions occur prior to the buildup of hydrogen ions in the thylakoid compartment? Select all that apply. Energy emitted by the electron transport chain triggered by PSII generates a hydrogen ion gradient across the thylakoid membrane. PSII pulls replacement electrons from water molecules, which then break apart into oxygen atoms and hydrogen ions. A photosystem II (PSII) absorbs light energy and releases an electron. Electrons released from PSII enter an electron transport chain in the thylakoid membrane. A flow of hydrogen ions causes ATP synthase to phosphorylate ATP.arrow_forwardIn which compartment of the plant cell do the light-independent reactions of photosynthesis take place? a. thylakoid b. stroma c. outer membrane d. mesophyllarrow_forwardIf a leaf disc is exposed to light but not to CO2, why would it not produce enough O2 to float?arrow_forward
- What would be the effect on plants if photorespiration did not exist?arrow_forwardWhich pigments provide the maximum efficiency for a plant as itconducts photosynthesis?arrow_forwardPhotosynthesis generally takes place in which parts of the plant? A. Leaf and other chloroplast bearing parts B. stem and leaf C. Roots and chloroplast bearing parts D. Bark and leafarrow_forward
- Which process is most directly driven by light energy? A. creation of a pH gradient by pumping protons across the thylakoidmembraneB. removal of electrons from chlorophyll moleculesC. reduction of NADP+ moleculesD. carbon fixation in the stromaarrow_forwardWhat would happen to the photosynthesis if a plant were exposed ONLY to green light?arrow_forwardHow would you design an experiment to test the following hypothesis: " The optimal temperature for photosynthesis in spinach leaves is 20 degrees Celsius?"arrow_forward
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Photosynthesis & Respiration | Reactions | Chemistry | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=3XIyweZg6Sw;License: Standard YouTube License, CC-BY