Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 10, Problem 13TYK
How does cyclic electron flow differ from linear electron flow?
- a. No NADPH is produced by cyclic electron flow.
- b. No O2 is produced by cyclic electron flow.
- c. The cytochrome complex in the electron transport chain is not involved in cyclic electron flow.
- d. Both a and b are correct.
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Students have asked these similar questions
Which of these is not true of the electron transport chain?a. The electron transport chain is located on the cristae of themitochindria.b. The electron transport chain produces more NADH than anymetabolic pathway.c. The electron transport chain contains cytochrome molecules.d. The electron transport chain ends when oxygen acceptselectrons.
Which substance is NOT present in Cyclic Electron Flow?
a.
Plastocyanin (PC)
b.
Cytochrome Complex
c.
Ferredoxin (Fd)
d.
Plastoquinone (PQ)
Which of the following statements is/are FALSE?
a.NADPH is formed in the stroma.
b.The cyclic electron transport involves PSII only.
c.pH gradient can be formed from the splitting of H2O.
d.In the pH gradient, stroma is acidic and thylakoid space is basic.
Chapter 10 Solutions
Study Guide for Campbell Biology
Ch. 10 - Prob. 1IQCh. 10 - Fill in the blanks in the following overview of...Ch. 10 - An action spectrum shows the relative rates of...Ch. 10 - Describe the components of a photosystem.Ch. 10 - Identify the components of linear electron flow in...Ch. 10 - a. On the diagram in Interactive Question 10.5,...Ch. 10 - a. In the light, the proton gradient across the...Ch. 10 - Label the three phases (a, b, and c) and key...Ch. 10 - What are two possible explanations for the...Ch. 10 - a. Where does the Calvin cycle take place in C4...
Ch. 10 - You have already filled in the blanks in several...Ch. 10 - Create a concept map to confirm your understanding...Ch. 10 - Which of the following processes or structures is...Ch. 10 - A plant is growing under bright lights in a sealed...Ch. 10 - The immediate product of the Calvin cycle is...Ch. 10 - A spectrophotometer can be used to measure the a....Ch. 10 - Accessory pigments within chloroplasts are...Ch. 10 - The following diagram is an absorption spectrum...Ch. 10 - Linear electron flow along with chemiosmosis in...Ch. 10 - The chlorophyll known as P680+ has its electron...Ch. 10 - The enzyme rubisco a. uses NADPH and ATP to make...Ch. 10 - In photosynthesis, the splitting of water a....Ch. 10 - The reactions of the Calvin cycle occur in the a....Ch. 10 - A difference between electron transport in...Ch. 10 - How does cyclic electron flow differ from linear...Ch. 10 - Prob. 14TYKCh. 10 - Prob. 15TYKCh. 10 - Prob. 16TYKCh. 10 - RuBP carboxylase-oxygenase is the enzyme that a....Ch. 10 - Prob. 18TYKCh. 10 - CAM plants avoid photorespiration by a. keeping...Ch. 10 - Prob. 20TYKCh. 10 - Prob. 21TYKCh. 10 - Prob. 22TYKCh. 10 - Prob. 23TYKCh. 10 - a. respiration b. photosynthesis c. both...Ch. 10 - a. respiration b. photosynthesis c. both...Ch. 10 - a. respiration b. photosynthesis c. both...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following statements is TRUE? Select one: a. The immediate product of the light energy absorbed by the P680 reaction center is used to produce NADPH. b. In cyclic photophosphorylation, the chlorophyll is reduced by electrons liberated from water molecules. c. The O2 gas produced during photosynthesis is derived from CO2. d. In noncyclic photophosphorylation, electrons from water are used directly for the reduction of P700. e. All of the statements are false.arrow_forwardWhy is a hypotonic buffer used for the resuspension? 1.DCPIP passes easily across the intact chloroplast membrane, but can't get into the thylakoid, so electron transport could not be reliably measured if using a hypotonic buffer. 2.To gently lyse the chloroplasts, leaving the electron transport membranes intact, whilst allowing DCPIP access 3.To gently separate the chloroplasts from each other, leaving the electron transport membranes intact, whilst allowing DCPIP access 4.DCPIP cannot easily across the intact chloroplast membrane, so electron transport could not be reliably measured if using a hypotonic buffer.arrow_forwardThe above product water molecules are generated in which eukaryotic cell compartment?A. the mitochondrial matrix (site of the Krebs cycle)B. the thylakoid membrane of chloroplasts (site of photosystems I and II)C. the chloroplast stroma (site of the Calvin cycle)D. the inner mitochondrial membrane (site of electron transport)E. the cytoplasm (site of glycolysis)arrow_forward
- Which statement about the light reactions of photosynthesis and cellular respiration is correct? a. Both reactions occur in the cell cytoplasm b. plants do not require mitochondria because they produce ATP via photosynthesis c. ATP is produced as a result of the actions of an electron transport chain in both processes d. Light reactions and cellular respiration produce the same waste products e. the final electron acceptor in the light reactions is oxygenarrow_forwardWhat do photosynthesis and cellular respiration have in common? Which ones are true? A. Both have large protein complexes that pump electrons across a membrane. b. Both require oxygen as an electron acceptor. c. Both have electron transport chains that begin with electrons from a high energy electron carrier. d. Both utilize the energy from a gradientarrow_forwardHow does linear electron flow differ from cyclic electron flow? a. Cyclic electron flow does not involve Photosystem I but linear electron flow does. b. None of the other choices apply. c. Cyclic electron flow does not require light, but linear electron flow does. d. Cyclic electron flow obtains its electrons from NADPH, whereas linear electron flow gets its electrons from water.arrow_forward
- How does the electron transfer pathway from photosynthesis II to photosynthesis I in the light-dependent reactions take place? A. After splitting water in PS-I, high-energy electrons are delivered through the chloroplast electron transport chain to PS-II. B. After the photosynthesis reaction, released products like glucose help in the transfer of electrons from PS-II to PS-I. C. After splitting water in PS-II, high-energy electrons are delivered through the chloroplast electron transport chain to PS-I. D. After the completion of the light-dependent reactions, the electrons are transferred from PS-II to PS-I.arrow_forwardWhat causes the transfer of electrons through an electron transport chain? a. The initial "push" from NADH b. The increasing electronegatively of the carries c. protons moving across the membrane d. electron motive focearrow_forwardd) In the presence of sunlight, an electrochemical gradient is generated between two of the spaces within the chloroplast. 1.Describe what happens when a photon of light energy hits a molecule of chlorophyl. 2. What is meant by the term electrochemical gradient? 3.What role does the photosynthetic electron transport chain play in the generation of the electrochemical gradient? 4. Two chemical reactions also contribute to the generation of the electrochemical gradient. What are the reactions, where do they occur, and why do these factors affect the gradient? 5. The electrochemical gradient can be utilised by ATP synthase to generate ATP - explain how the location and structure of ATP synthase enable it to perform this function. e) The light reactions of photosynthesis generate ATP and NADPH for use in the dark reactions (i.e., the Calvin cycle). Why are they needed?arrow_forward
- Why is it necessary to lyse the chloroplasts? 1.DCPIP passes easily across the intact chloroplast membrane and the thylakoid membrane, so electron transport could not be reliably measured 2.DCPIP passes easily across the intact chloroplast membrane, but can't get into the thylakoid, so electron transport could not be reliably measured 3.DCPIP cannot easily pass across the intact chloroplast membrane, so electron transport across the thylakoid membrane could not be reliably measuredarrow_forwardCompare photophosphorylation and oxidative phosphorylation. How is chemiosmosis in chloroplasts different from chemiosmosis in mitochondria? a. Chemiosmosis is used in chloroplasts to transfer chemical energy from organic molecules to ATP. b. In mitochondria, light is transformed into ATP using photosystems I and II. c. Chemiosmosis in mitochondria occurs across an intra-organelle membrane, where it does not in chloroplasts. d. In chloroplasts, the high-energy electrons come from water.arrow_forwardDefine the following terms: a. light-dependent reactions b. Z-scheme c. water-oxidizing clock d. noncyclic electron transport e. cyclic electron transportarrow_forward
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