Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Question
Chapter 8, Problem 11TYU
Summary Introduction
Introduction: The process in which adenosine triphosphate (ATP) is formed due to the transfer of electrons from nicotinamide adenine dinucleotide (NADH) and flavin adenine dinucleotide (FADH2) to oxygen (O2) by a series of electron carries, is called as oxidative phosphorylation. This process occurs within the mitochondria.
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Assuming all the NADH+H+ and FADH2 are used for oxidative phosphorylation, how many net ATP are made from 1 molecule of glucose? (hint: don’t forget to also include substrate level phosphorylation)
In the presence of excess oxygen, a complete oxidation of seven molecules of glucose into carbon dioxide and water, by a yeast cell, would
produce approximately
ATP molecules via oxidative phosphorylation only.
(Consider NADH = 3 ATP and FADH2 = 2 ATP)
(a) NAD+ kinase catalyzes the ATP-dependent conversion of NAD* to
NADP+. How many reducing equivalents are involved in this reaction?
(b) How many reducing equivalents are involved in the conversion
of ferric to ferrous ion?
(c) How many reducing equivalents are involved in reducing one
molecule of oxygen gas to water?
Chapter 8 Solutions
Biology (MindTap Course List)
Ch. 8.1 - Write a summary reaction for aerobic respiration...Ch. 8.1 - Prob. 1CCh. 8.1 - Prob. 2CCh. 8.2 - Prob. 2LOCh. 8.2 - Prob. 3LOCh. 8.2 - Add up the energy captured (as ATP, NADH, and...Ch. 8.2 - Prob. 5LOCh. 8.2 - Prob. 6LOCh. 8.2 - Prob. 1CCh. 8.2 - Prob. 2C
Ch. 8.2 - What are the roles of NAD+, FAD, and oxygen in...Ch. 8.2 - Prob. 4CCh. 8.3 - Summarize how the products of protein and lipid...Ch. 8.3 - Prob. 1CCh. 8.3 - Prob. 2CCh. 8.3 - Prob. 3CCh. 8.4 - Compare and contrast anaerobic respiration and...Ch. 8.4 - What is the fate of hydrogen atoms removed from...Ch. 8.4 - What accounts for the ATP yield of fermentation...Ch. 8.4 - Is chemiosmosis involved in fermentation? in...Ch. 8 - A chemical process during which a substance gains...Ch. 8 - The reactions of _____ take place within the...Ch. 8 - Before pyruvate enters the citric acid cycle, it...Ch. 8 - In the first step of the citric acid cycle, an...Ch. 8 - Which of the following is the major source of...Ch. 8 - The aerobic part of aerobic cellular respiration...Ch. 8 - Prob. 7TYUCh. 8 - A net profit of only 2 ATPs can be produced...Ch. 8 - When deprived of oxygen, yeast cells obtain energy...Ch. 8 - Which of the following is a correct ranking of...Ch. 8 - Prob. 11TYUCh. 8 - CONNECT Explain why the proton gradient formed...Ch. 8 - CONNECT How are the endergonic reactions of the...Ch. 8 - PREDICT Could the inner mitochondrial membrane...Ch. 8 - Prob. 15TYUCh. 8 - Prob. 16TYUCh. 8 - EVOLUTION LINK The reactions of glycolysis are...Ch. 8 - Prob. 18TYU
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- (a) NAD+ kinase catalyzes the ATP-dependent conversion of NAD+ to NADP+. How many reducing equivalents are involved in this reaction? (b) How many reducing equivalents are involved in the conversion of ferric ion to ferrous ion? (c) How many reducing equivalents are involved in reducing one molecule of oxygen gas to water?arrow_forwardIf decanoic acid (10 : 0) undergoes complete β-oxidation in mitochondria, how many net ATP is yielded? (NADH = 2.5 ATP; FADH2 = 1.5 ATP; Acetyl CoA = 10 ATP) Answer in number onlyarrow_forwardHow much ATP is produced from the complete B-Oxidation of myristic acid (C14H2802)? Activation of Fatty Acid ACCOA x (10 ATP/ACCOA) FADH₂ x (1.5 ATP/FADH₂) = NADH x (2.5 ATP/NADH) : = = -2 ATP ATP ATP ATP TOTAL ATP C18 CH, (CH₂)₁4-CH₂-CH₂-C-S-COA || FAD →FADH₂ CH₂(CH₂)₁4-CH=CH-C-S-CoA Each loop of the pathway represents a repetition of Steps 1-4. H₂O OH CH₂(CH₂)₁4-CH-CH₂-C-S-CoA || - NAD+ →→NADH+ H 0 CH3-(CH₂) 14 C-CH₂-C-S-CoA 0 || C16 CH₂(CH₂)14-C-S-CoA COA-SH Acyl CoA trans-Enoyl COA L-B-Hydroxyacyl CoA B-Ketoacyl COA H₁-C-S- + CH₂-C-S-CoA Acetyl CoA New acyl COA C₁4+ Acetyl CoA C12+ Acetyl CoA CO+ Acetyl CoA Cg+ Acetyl CoA C + Acetyl COA C₁ + Acetyl COA 2 Acetyl COAarrow_forward
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- Assuming that the glycerol 3-phosphate shuttle is operative, a complete oxidation of three molecules of glucose (by a eukaryotic cell) into carbon dioxide and water would produce approximately ATP molecules via oxidative phosphorylation only. (Consider NADH = 2.5 ATP and FADH2 = 1.5 ATP)arrow_forwardAssuming that the glycerol 3-phosphate shuttle is operative, a complete oxidation of five molecules of glucose (by a eukaryotic cell) into carbon dioxide and water would produce approximately _________ ATP molecules via oxidative phosphorylation only. (Consider NADH = 2.5 ATP and FADH2 = 1.5 ATP)arrow_forwardHow much fat (in grams) would the body have to burn to produce the daily minimum requirement of 40 kg ATP from ADP and phosphate? Assume that: 1. The fat is metabolized completely to water and carbon dioxide. 2. The energy that is released can be used entirely for ATP production. 3. Complete oxidation of 1 g of fat to water and CO2 releases 9 kcal or 37 kJ. 4. The Delta G for ATP hydrolysis is -30.5 kJ/mol. You will have to look up one more value online to answer this question, but you do not need to know anything about lipid metabolism. A) approx. 16 to 17 g of fat B) approx. 65 to 66 g of fat C) approx 22 to 23 kg of fat D) approx. 267 to 268 g of fat E) approx. 5 to 6 kg of fatarrow_forward
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