Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 7, Problem 22CTQ
How do the roles of ubiquinone and cytochrome c differ from the roles of the other components of the electron transport chain?
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Chapter 7 Solutions
Biology 2e
Ch. 7 - Figure 7.11 Dinitrophenol (DNP) is an "uncoupler"...Ch. 7 - Figure 7.12 Cyanide inhibits cytochrome c oxidase,...Ch. 7 - (Figure 7.14) Tremetol, a metabolic poison found...Ch. 7 - The energy currency used by cells is ATP ADP AMP...Ch. 7 - A reducing chemical reaction. reduces the compound...Ch. 7 - During the second half of glycolysis, what occurs?...Ch. 7 - What is removed from pyruvate during its...Ch. 7 - What do the electrons added to NAD+ do? They...Ch. 7 - GTP or ATP is produced during the conversion of...Ch. 7 - How many NADU molecules are produced on each turn...
Ch. 7 - What compound receives elections from NADH? FMN...Ch. 7 - Chemiosmosis involves. the movement of electrons...Ch. 7 - Which of the following fermentation methods can...Ch. 7 - A major connection for sugars in glycolysis is...Ch. 7 - Beta-oxidation is. the breakdown of sugars the...Ch. 7 - The effect of high levels of ADP is to__inv __...Ch. 7 - The control of which enzyme exerts the most...Ch. 7 - Why is it beneficial for cells to use ATP rather...Ch. 7 - Nearly all organisms on Earth carry out some form...Ch. 7 - Because they lose their mitochondria during...Ch. 7 - What is the primary difference between a circular...Ch. 7 - How do the roles of ubiquinone and cytochrome c...Ch. 7 - What accounts for the different number of ATP...Ch. 7 - What is the primary difference between...Ch. 7 - Would you describe metabolic pathways as...Ch. 7 - How does citrate from the citric acid cycle affect...Ch. 7 - Why might negative feedback mechanisms be more...
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- What products of the citric acid cycle are needed for the electron transport chain? A) NADH/H+NADH/H+ and FADH2FADH2 B) NADH/H+NADH/H+ and HS−CoAHS−CoA C) FADH2FADH2 and HS−CoAarrow_forwardEach of the cytochromes in the mitochondrion contains prosthetic groups. What is a prosthetic group? Which type of prosthetic group is associated with the cytochromes?arrow_forwardWhich of these molecules associated with electron transport is in the reduced state? Choose from the following: (A) cytochrome a3+++ (b) cytochrome a3++arrow_forward
- Cyanide is a poison that inhibits the electron transport chain by creating a strong and stable bond with Fe–Cu center in cytochrome C oxidase (complex IV). What is the immediate consequence cyanide poisoning? answer choices A.) Prevent oxidation of NADH B.) Prevent reduction of oxygen C.) Prevent reduction of NADH D.) Prevent oxidation of oxygenarrow_forwardWhat happens if there is no oxygen in the electron transport chain?arrow_forwardWhat is the order of the electron transport chain starting from FADH2 and ending with Oxygen?arrow_forward
- How Do Catabolism and Anabolism Differ? What are the features that generally distinguish pathways of catabolism from pathways of anabolism?arrow_forwardWhich of the following statements is true?a) the ATP synthase adds electrons directly to ADP to make ATP b) acetyl CoA produced in the citric acid cycle carries electrons to the electrontransport chainc) the electron transport chain pumps protons from the cytosol into the inter-membrane space of mitochondriad) carbon monoxide is an electron transport chain blockerarrow_forwardWhat atom in the cytochromes undergoes oxidation and reduction in the electron-transport chain? What atoms in coenzyme Q undergo oxidation and reduction in the electron-transport chain?arrow_forward
- What is the energy rich compound produced in Krebs Cycle or Citric acid cycle?arrow_forwardThe two electron carriers involved in the redox reactions of cellular respiration are NAD+ and FAD. When a molecule of FAD is converted to FADH2, it has been A) reduced B) dehydrogenated C) oxidizedarrow_forwardMuch of our understanding of ATP synthase is derived from research on aerobic bacteria. What makes these organisms useful for this research? Where do the reactions of glycolysis, the citric acid cycle, and the electron-transport chain occur in these organisms?arrow_forward
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