Campbell Biology in Focus
3rd Edition
ISBN: 9780134710679
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Rebecca Orr
Publisher: PEARSON
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Textbook Question
Chapter 8, Problem 2TYU
Which of the following sequences correctly represents the flow of electrons during photosynthesis?
- A. NADPH → O2 → CO2
- B. H2O → NADPH → Calvin cycle
- C. H2O→ photosystem I → photosystem II
- D. NADPH → electron transport chain → O2
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Students have asked these similar questions
Photosynthesis and cellular respiration both utilize free energy to generate ATP. What process is common to both photosynthesis and cellular respiration?
a) Electron transport chain
b) Calvin Cycle
c) Citric Acid Cycle
d) Photophosphorylation
Which of the following is an incorrect statement about the Calvin cycle?
A.The main inputs to the reactions are NADPH, ATP, and CO2.
B.The main outputs of the reactions are NADP+ , ADP, and sugar.
C.More NADPH is used than ATP during the Calvin cycle.
D.Carbon fixation is the first step of the process
Explain briefly why the following ideas are false.
a. Photosynthesis is the food-making process done by plants.
b The Calvin cycle was called the dark reactions because it can only take place in the absence of light.
c. Photosynthesis can only be powered by sunlight.
Chapter 8 Solutions
Campbell Biology in Focus
Ch. 8.1 - How do the CO2 molecules used in photosynthesis...Ch. 8.1 - How did the use of an oxygen isotope help...Ch. 8.1 - WHAT IF? The Calvin cycle requires ATP and NADPH,...Ch. 8.2 - What color of light is least effective in driving...Ch. 8.2 - In the light reactions, what is the initial...Ch. 8.2 - Prob. 3CCCh. 8.3 - MAKE CONNECTIONS How are the large numbers of ATP...Ch. 8.3 - WHAT IF? Explain why a poison that inhibits an...Ch. 8.3 - Prob. 3CCCh. 8.4 - Prob. 1CC
Ch. 8 - The light reactions of photosynthesis supply the...Ch. 8 - Which of the following sequences correctly...Ch. 8 - How is photosynthesis similar in C4, plants and...Ch. 8 - Which of the following statements is a correct...Ch. 8 - Which of the following does not occur during the...Ch. 8 - In mechanism, photophosphorylation is most similar...Ch. 8 - Prob. 7TYUCh. 8 - To synthesize one glucose molecule, the Calvin...Ch. 8 - SCIENCE, TECHNOLOGY, AND SOCIETY Scientific...Ch. 8 - DRAW IT The following diagram represents an...Ch. 8 - Prob. 11TYUCh. 8 - Prob. 12TYUCh. 8 - FOCUS ON ENERGY AND MATIER Life is solar powered....Ch. 8 - SYNTHESIZE YOUR KNOWLEDGE Watermelon snow in...
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- In ________, electrons that have been energized by light contribute their energy to add phosphate to ADP, producing ATP. (a) crassulacean acid metabolism (b) the Calvin cycle (c) photorespiration (d) C4 pathways (e) photophosphorylationarrow_forwardWhich of the following substances does not participate in the Calvin-Benson cycle? a. ATP c. NADPH e. PGAL b. O2 d. RuBP f. CO2arrow_forwardWhat is the energy of a photon first used to do in photosynthesis? a. split a water molecule b. energize an electron c. produce ATP d. synthesize glucosearrow_forward
- Is the following statement true or false? Unlike animals, which make many ATP by aerobic respiration, plants make all of their ATP by photosynthesis.arrow_forwardMatch each term with its most suitable description. ____ PGAL formation a. absorbs light ____CO2 fixation b. converts light to chemical energy ____ autotroph c. self-feeder ____ ATP forms NADPH does not d. electrons cycle back to photosystem ____ photorespiration e. problem in C3 plants ____ photosynthesis f. Calvin-Benson cycle product ____ pigment g. water molecules split ____ photolysis in photosynthesis h. rubisco functionarrow_forwardWhich part of the Calvin cycle would be affected if a cell could not produce the enzyme RuBIsCO?arrow_forward
- What is the molecule that leaves the Calvin cycle to be converted into glucose? a. ADP b. G3P c. RuBP d. 3-PGAarrow_forwardWhat two products result from photosynthesis? a. water and carbon dioxide b. water and oxygen c. glucose and oxygen d. glucose and carbon dioxidearrow_forwardA decrease in entropy occurs during the CO2 uptake phase of the Calvin cycle, as freely moving CO2 molecules become fixed into a carbon skeleton. How can this occur without direct participation by NADPH and/or ATP?arrow_forward
- Which of the following events happens during the Calvin Cycle stage of photosynthesis? A. H2O is split to produce oxygen. B. NADPH and ATP are produced. C. Carbon is fixed from CO2 into RuBP. D. Transfer of electrons from carrier to carrier.arrow_forwardHow are the NADPH and G3P molecules made during photosynthesis similar? a. They are both end products of photosynthesis. b. They are both substrates for photosynthesis. c. They are both produced from carbon dioxide. d. They both store energy in chemical bonds.arrow_forwardThrough light reductions, ADP is phosphorylated into ATP via chemiosmosis. What is this process called? a. Reduction b. Calvin Cycle c. Photophosphorylation d. Photosynthesisarrow_forward
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