BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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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 do the electron transport chains of mitochondria and chloroplasts have in common?
A. oxygen as an electron donor
B. water as an electron acceptor
C. use of a hydrogen ion gradient
D. one main membrane protein pump
The function of cristae in a mitochondrion is
A. electron transport and ATP synthesis
B. carbon assimilation
C. intake of o2
D. elimination of Co2
a.) Are there chloroplast in guard cells?
b.) How do the guard cells function?
c.) What photosynthetic reaction occur in chloroplast?
Chapter 8 Solutions
BIOLOGY
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 is not common to the chloroplast andmitochondria?a. Both use membranes to establish gradients.b. Both have an ETC.c. Both use sunlight as a source of energy.d. Both use a variety of enzymes.arrow_forwardWhich 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_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_forward
- What would be the effect on production of ATP from photosynthesis, assuming no effect on enzyme/protein stability, if the pH of the chloroplast stroma were lowered? a) It would increase b) It would decrease c) It would stay the samearrow_forwardPhotosynthesis 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) Photophosphorylationarrow_forwardWhich 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 chloroplastsarrow_forward
- When electrons flow along the electron transport chains of mitochondria, which of the following changes occurs? Group of answer choices A. ATP synthase pumps protons by active transport B. The pH of the matrix increases C. The electrons gain free energy D. The cytochromes phosphorylate ADP to form ATParrow_forwardThe different parts of the chloroplast have separate reactions that occur in them. Which occurs in the stroma? A. Photolysis B. Light-dependent reaction C. Electron transport chain D. Calvin cyclearrow_forwardWhich of the following is NOT true of the electron transport chain? a. It produces NADH, as a result of electrons being transferred from glucose to NAD+ b. End products include CO2, water, and pyruvate c. It allows for the controlled release of energy for ATP synthesis d. It is part of the oxidative phosphorylation processarrow_forward
- Plants undergo both photosynthesis and cellular respiration. Why don’t plants simply use the ATP pro¬duced in the light reactions of photosynthesis to drive cellular processes? A) The ATP produced during photosynthesis is chemically different from the ATP produced during cellular respiration and cannot be used for anabolic reactions B) ATP cannot be stockpiled so the plants would have no energy during non-daylight hours C) The plants have no way of getting the ATP made during photosynthesis out of the chloroplasts to the rest of the cell D) Plants rely on cellular respiration to remove excess O2 and prevent photorespirationarrow_forwardWhy is cellular respiration important? a) It breaks down carbon dioxide, which is toxic to cells. b) It reduces glucose c) It produces gas, which is essential to cell functions. d) It generates chemical gradients, which have potential energy e) it generates ATP, which cells can use to do workarrow_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
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