1 SEM ACC W/RAVEN CARDED
12th Edition
ISBN: 9781265486297
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 8, Problem 5A
Summary Introduction
Introduction:
Mitochondria and chloroplast both are believed to be originated from prokaryotes via endosymbiosis. This is further supported by the fact that they have similar structures and functions and that they both are semi-autonomous.
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Which of the following would be a location where complexes of the electron transport chain could be found in plant cells?
Select one:
a. matrix of mitochondria
b. thylakoid membranes of chloroplasts
c. outer membrane of mitochondria
d. cytoplasm
e. stroma of chloroplasts
The electrons carried by NADH and FADH2 can be
a. pumped into the intermembrane space.
b. transferred to the ATP synthase.
c. moved between proteins in the inner membrane of the mitochondrion.
d. transported into the matrix of the mitochondrion
Which of the following statements describes the end step for the electron transport chain?
A. H+ ions flow down the gradient to generate ATP
B. electrons are transferred to NADH and FADH2 for chemiosmosis
C. electrons are transferred to oxygen, causing it to split and take up H+ ions, which form water
D. H+ are pumped across the inner membrane of mitochondria to establish an electrochemical gradient
Chapter 8 Solutions
1 SEM ACC W/RAVEN CARDED
Ch. 8.1 - Prob. 1LOCh. 8.1 - Prob. 2LOCh. 8.2 - Prob. 1LOCh. 8.2 - Differentiate between the light-dependent and...Ch. 8.3 - Discuss how pigments are important to...Ch. 8.3 - Prob. 2LOCh. 8.4 - Prob. 1LOCh. 8.4 - Prob. 2LOCh. 8.5 - Prob. 1LOCh. 8.5 - Prob. 2LO
Ch. 8.6 - Describe carbon fixation.Ch. 8.6 - Prob. 2LOCh. 8.7 - Prob. 1LOCh. 8.7 - Prob. 2LOCh. 8 - Prob. 1DACh. 8 - Prob. 2DACh. 8 - Prob. 3DACh. 8 - The light-dependent reactions of photosynthesis...Ch. 8 - Which region of a chloroplast is associated with...Ch. 8 - The colors of light that are most effective for...Ch. 8 - During noncyclic photosynthesis, photosystem I...Ch. 8 - How is a reaction center pigment in a photosystem...Ch. 8 - The ATP and NADPH from the light reactions are...Ch. 8 - The carbon fixation reaction converts a. inorganic...Ch. 8 - Prob. 8UCh. 8 - Prob. 1ACh. 8 - If you could measure pH within a chloroplast,...Ch. 8 - Prob. 3ACh. 8 - If the Calvin cycle runs through six turns a. all...Ch. 8 - Prob. 5ACh. 8 - Given that the C4 pathway gets around the problems...Ch. 8 - If the thylakoid membrane became leaky to ions,...Ch. 8 - The overall process of photosynthesis a. results...Ch. 8 - Compare and contrast the fixation of carbon in C3,...Ch. 8 - Diagram the relationship between the reactants and...Ch. 8 - Do plant cells need mitochondria? Explain your...
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- Which of the following statements is TRUE of the electron transport chain (ETC)? A. The movement of electrons down the ETC drives the formation of a proton (H+) gradient. B. The movement of H+ ions through ATP synthase drives the transfer of electrons down the ETC. C. The movement of electrons down the ETC drives the movement of ADP and phosphate through ATP synthase. D. The movement of H+ ions across the inner membrane of the mitochondria drives the transfer of electrons down the ETC.arrow_forwardWhich of the following statements about cellular respiration is TRUE in eukaryotes? A. For every molecule of NADH oxidized in the electron transport chain, 1 molecule of ATP is produced. B. ATP synthase harnesses the flow of protons (hydrogen ions = H+) from the mitochondrial matrix to the intermembrane space to produce ATP. C. ATP synthase transduces the flow of protons (hydrogen ions = H+) from the intermembrane space to the mitochondrial matrix into kinetic (mechanical) energy D. H2O is the final electron acceptor in the electron transport chain, being oxidized to O2 and H+. E. All of the above are truearrow_forwardwhich are characteristics of mitochondria choose all that apply a. they produce atp b. cellular respiration occurs here c. they produce proteins d. they use oxygen; they are the reason why humans breathearrow_forward
- Give an example of two types of plant cells that lack chloroplasts. How do plant cells that lack chloroplasts produce the ATP they need? Do plant cells that contain chloroplasts also contain mitochondria?arrow_forwardIn which compartment of the chloroplast and mitochondrion does the ATP synthase pump the protons respectively? a. Stroma and matrix b. Lumen and thylakoid membrane c. Lumen and intermembrane space d. Matrix and thylakoid lumenarrow_forwardIn eukaryotic cells, the hydrogens that go through the electron transport system from one sugar (glucose) molecule produce A. 8 ATPs. B. 6 ATPs. C. 24 ATPs. D. 32 ATPs.arrow_forward
- The 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_forwardwhat is the transmembrane protein responsible for ATP synthesis during both photosynthesis and cellular respiration? a. Na+/K+ ATPase b. SGLUT-1 c. ATP synthase d. carbonic anhydrase e. rubiscoarrow_forwardA cell performing photosynthesis can be compared to cook preparing a particular dish (say, adobo, for example). If this is so, to what can the following elements of photosynthesis be likened? One item is given as an example. a. photosynthetic cell: cook or chef b. light:________ c. chloroplast: _____________ d. CO2 and H2O:_____________ e. Glucose:__________________arrow_forward
- Many molecules move across membranes by diffusion. Which of the following statements related to membrane diffusion is correct? A. Although they require ATP, ABC transporters move molecules by diffusion. B. For large molecules, facilitated diffusion is often slower than simple diffusion. C. To support photosynthesis, CO2 gets into the Chlamy chloroplast through facilitated diffusion. D. Diffusion is an exergonic (-ΔG) process.arrow_forwardThe figure here shows oxygen concentration in a suspension of isolated mitochondria. Immediately after the addition of uncoupler, oxygen levels decline more rapidly than before. But soon afterwards the rate levels off. What is the likely reason for this levelling off? uncoupler Oxygen (umol) Levelling off Time (min) A. Lack of ATP B. Decrease in the rate of glycolysis. C. Decrease in the levels of uncoupler. D. Lack of NADHarrow_forwardThe function of cristae in a mitochondrion is A. electron transport and ATP synthesis B. carbon assimilation C. intake of o2 D. elimination of Co2arrow_forward
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