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 11RQ
What compound receives elections from NADH?
- FMN
- ubiquinone
- cytochrome c1
- oxygen
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What compound receives elections from NADH?
a. FMN
b. ubiquinone
c. cytochrome c₁
d. oxygen
The following statements describe the path of electrons from NADH through the electron transport chain. Please arrange them in order:
Cytochrome c (Fe2+) carries electrons to Complex IV.
Cytochrome c (Fe3+) is reduced to cytochrome c (Fe2+)
QH2 carries electrons to Complex III
Oxygen is reduced to water
Ubiquinone (coenzyme Q) is reduced to ubiquinol (QH2)
Which of the following cofactors is required for the conversion of succinate to fumarate in the citr acid cycle? O ATP O Biotin OFAD O NAD+ O NADP+2
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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- Which of the PDH coenzymes does not get restored to its original form at the end of the PDH reaction? FAD TPP NAD+ Lipoamidearrow_forwardWhat type of reaction is: NADH --> NAD+ + H+ + 2 e-arrow_forwardWhich of the following is NOT produced during the oxidative phase of the pentose phosphate shunt? a Ribulose-5-Phosphate b Glyceraldehyde-3-phosphate c CO2 d NADPHarrow_forward
- The redox-active moiety of NAD+ is derived from the vitamin— riboflavin. niacin. cobalamin. biotin. pantothenic acid.arrow_forwardWhich steps in the Krebs Cycle do the following processes occur? a. Reaction utilizes FADb. Reaction generates NADHc. CO2 is removedd. Reaction forms a new C-C single bonde. Reaction breaks a C-C bondarrow_forwardWhat essential compound is produced in the pentose phosphate pathway that is needed for synthesis as well as for defense against oxidative damages? NADH AMP ADP FADH2 NADH ATParrow_forward
- nad genes code for the enzyme… 1. Nicotinamide adenine dinucleotide dehydrogenase 2. Flavin adenine dinucleotide dehydrogenase 3. Cyctochrome C 4. ATPase 5. Succinate dehydrogenasearrow_forwardSuccinate dehydrogenase generates which of the following high-energy Krebs cycle products? pyruvate glucose FADH2 NADH ATParrow_forwardIdentify the function of the following enzymes: Peroxidase Reductasearrow_forward
- Which of the following best describes the action of cytochrome c oxidase? a. Cytochrome c oxidase combines water and oxygen to produce hydrogen peroxide. b. Cytochrome c oxidase transports electrons out of the respiratory reaction. c. Cytochrome c oxidase enables oxygen to accept electrons at the end of the electron transport respiratory chain. d. Cytochrome c oxidase converts hydrogen peroxide into water and oxygen. e. Cytochrome c oxidase reduces thiosulfate anion to hydrogen sulfide.arrow_forwardWhat kind of reaction is catalyzed by each of the following enzymes? a. citrate decarboxylase b. oxalate reductase c. serine transaminasearrow_forwardKrebs cycle products/acetyl CoA molecule are 4 CO2, 3 NADH, 1 FADH2, 2 ATP 4 CO2, 6 NADH, 2 FADH2, 2 ATP 2 CO2, 3 NADH, 1 FADH2, 1 ATP 6 CO2, 6 NADH, 2 FADH2, 4 ATParrow_forward
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