Biology: Science for Life with Physiology (6th Edition) (Belk, Border & Maier, The Biology: Science for Life Series, 5th Edition)
6th Edition
ISBN: 9780134555430
Author: Colleen Belk, Virginia Borden Maier
Publisher: PEARSON
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Textbook Question
Chapter 4, Problem 8LTB
The electron transport chain ___________.
- is located in the matrix of the mitochondrion;
- has the electronegative carbon dioxide at its base;
- is a series of
nucleotides located in the inner mitochondrial membrane; - is a series of enzymes located in the intermembrane space
- moves electrons from protein to protein and moves protons from the matrix into the intermembrane space
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The inner membrane of the mitochondria has folds called the cristae. How would the function of the mitochondria be different if the inner membrane were not folded
Why is the inner membrane of the mitochondria folded?
increases volume
increases surface area
increases area
increases diameter
A total of 4 protein complexes are used in the electron transport chain. These proteins are localized in what specific part of the mitochondria?
intermembrane space
outer membrane
Matrix
inner membrane
Chapter 4 Solutions
Biology: Science for Life with Physiology (6th Edition) (Belk, Border & Maier, The Biology: Science for Life Series, 5th Edition)
Ch. 4 - What is meant by the term induced fit?Ch. 4 - Prob. 2LTBCh. 4 - What are the reactants and products of cellular...Ch. 4 - Which of the following is a false statement...Ch. 4 - Enzymes speed up chemical reactions by...Ch. 4 - Prob. 6LTBCh. 4 - Prob. 7LTBCh. 4 - The electron transport chain ___________. is...Ch. 4 - Most of the energy in an ATP molecule is released...Ch. 4 - Anaerobic respiration ___________. generates...
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- In eukaryotic cells, the TCA/citric acid/Kreb's cycle happens in the _______ , while the electron transport chain is in the ________ . cytoplasm; lumen of the lysosome mitochondrial matrix; inner mitochondrial membrane inner mitochondrial membrane; cytoplasm nucleus; mitochondrial matrixarrow_forwardMitochondria are bounded by a double membrane. The inner filled space is called the matrix, which contains _____ that break down carbohydrate products, releasing _____ to be used for ATP production.arrow_forwardThe electron transport chain begins when _____ or _____ are oxidized.arrow_forward
- During aerobic respiration in the mitochondria of eukaryotes, which product molecules contain the oxygen atoms that started out in substrate diatomic oxygen gas molecules? cell biology carbon dioxide only C6H12O6 only glucose only CO2 only H2O onlyarrow_forwardWhich membrane function makes them able to accommodate the electron transport chain at the inner membrane of the mitochondrion? responding to external signals selectively permeable barrier scaffold for biochemical activities compartmentalizationarrow_forwardDuring aerobic respiration in the mitochondria of eukaryotes, which product molecules contain the oxygen atoms that started out in substrate diatomic oxygen gas molecules? carbon dioxide only C6H12O6 only glucose only CO2 only H2O onlyarrow_forward
- Where is ATP Synthase located in the mitochondria? Intermembrane space Matrix Inner membrane Granaarrow_forwardThe figure below shows an illustration of a mitochondrian. Mustration of a mitochondrion Which of the following best describes the relationship between the structure and function of the mitochondrion? A B с D The shape of the mitochondrion Increases its material-exchange efficiency by maximiz ing its overall volume relative to its surface area. The double-membrane structure of the mitochondrion allows it to maintain its relatively acidic environment in which nutrients can be digested. The folds of the mitochondrion Inner membrane increase its material-exchange effi- ciency by maximizing its surface area relative to its volume. The specific structure of the mitochondrion Inner membrane allows it to correctly guide the folding of proteins into their functional shape.arrow_forwardStatement 1: The oxidation of NADH and FADH2 causes proton gradient, which activates ATP synthase. Statement 2: Chemiosmosis involves the movement of protons through the ATP synthase into the mitochondrial matrix, and the transfer of inorganic phosphate to ADP to form ATP. Statement 1 is true. Statement 2 is false. Statement 1 is false. Statement 2 is true. Both statements are false. Both statements are true. In aerobic organisms, oxygen is the terminal electron acceptor and water is the product of oxygen reduction. True Falsearrow_forward
- Figure 7.11 Dinitrophenol (DNP) is an "uncoupler" that makes the inner mitochondrial membrane "leaky" to protons. It was used until 1938 as a weight- loss drug. What effect would you expect DNP to have on the change in pH across the inner mitochondrial membrane? Why do you think this might be an effective weight-loss drug? Intermembrane space Mitochondrial matrix ATP Synthase ADP Inner mitochondrial membrane ATP Figure 7.11 ATP synthase is a complex, molecular machine that uses a proton (H) gradient to form ATP from ADP and inorganic phosphate (Pi). (Credit: modification of work by Klaus Hoffmeier)arrow_forwardDuring the Citric Acid (Krebs) cycle of cellular respiration, which does NOT occur? ATP is produced decarboxylation reactions electron carriers are reduced carbon molecules are phosphorylatedarrow_forwardEach protein QUESTION 5 Choose all of the following statements which describe the relationship between the structure and function of the mitochondrion. O the mitochondrion is double membrane bound providing an intermembrane space where an H* gradient can build up during oxidative phosphorylatic the mitochondrion is located inside the nucelus and thus fuels all metabolic processes in the cell the inner membrane of the mitochondrion is folded into cristae providing increased surface area allowing for more ETC's to be embedded the liquid inside the mitochondrion facilitates the movement of H* across the mitochondrial membrane Click Save and Submit to save and submit. Click Save All Answers to save all answers. Biol 1406 - Pra....docx PDF PD A Biol 1406 - LA....docx AN 24 d A F4 % CollegeScores2y....csv A MacBook Air & 7 F7 W FBarrow_forward
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