Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Chapter 5, Problem 3aCP
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Explain how NADH and FADH2 contribute to oxidative phosphorylation.
Calculate the amount of ATP’s that will be formed during the oxidative phosphorylation process if: 46 NADH + H and 12 FADH + H is available .
Describe the role of NAD+, FAD, NADH and FADH2 in cellular respiration.
Chapter 5 Solutions
Human Physiology
Ch. 5 - Define the term glycolysis in terms of its initial...Ch. 5 - What are the initial substrates and final products...Ch. 5 - Describe the physiological functions of lactic...Ch. 5 - Compare the fate of pyruvate in aerobic and...Ch. 5 - Draw a simplified citric acid cycle and indicate...Ch. 5 - Explain how NADH and FADH2 contribute to oxidative...Ch. 5 - Explain how ATP is produced in oxidative...Ch. 5 - Describe glycogenesis and glycogenolysis, and...Ch. 5 - Explain the significance of gluconeogenesis and...Ch. 5 - Prob. 6aCP
Ch. 5 - Prob. 6bCPCh. 5 - Describe transamination and deamination and...Ch. 5 - List five blood-borne energy carriers and explain,...Ch. 5 - Prob. 1RACh. 5 - In anaerobic metabolism, the oxidizing agent for...Ch. 5 - When skeletal muscles lack sufficient oxygen,...Ch. 5 - The conversion of lactic acid to pyruvic acid...Ch. 5 - Which of these statements about the oxygen in the...Ch. 5 - In terms of the number of ATP molecules directly...Ch. 5 - Ketone bodies are derived from
Ch. 5 - Prob. 8RACh. 5 - The conversion of glucose 6-phosphate to free...Ch. 5 - The formation of glucose from pyruvic acid derived...Ch. 5 - Which of these organs has an almost absolute...Ch. 5 - When amino acids are used as an energy source,
Ch. 5 - Intermediates formed during fatty acid metabolism...Ch. 5 - State the advantages and disadvantages of the...Ch. 5 - What purpose is served by the formation of lactic...Ch. 5 - Describe the effect of cyanide on oxidative...Ch. 5 - Describe the metabolic pathway by which glucose...Ch. 5 - Prob. 18RACh. 5 - Explain how energy is obtained from the metabolism...Ch. 5 - Prob. 20RACh. 5 - Why is the production of lactic acid termed a...Ch. 5 - Prob. 22RACh. 5 - What three molecules serve as the major substrates...Ch. 5 - A friend, wanting to lose weight, eliminates all...Ch. 5 - Suppose a drug is developed that promotes the...Ch. 5 - For many years, the total number of molecules of...Ch. 5 - People who are starving have very thin arms and...Ch. 5 - Prob. 28RACh. 5 - Prob. 29RACh. 5 - Prob. 30RACh. 5 - Prob. 31RACh. 5 - Prob. 32RACh. 5 - Prob. 33RA
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- Explain why the yield of ATP is high in oxidative phosphorylation as compared to other stages.arrow_forwardDescribe the role of the F1 portion of ATP synthase in oxidative phosphorylationarrow_forwardExplain how cytosolic pyruvate from glycolysis results in formation of ATP in mitochondria. Please highlight stages where substrate-level Phosphorylation and Oxidative Phosphorylation occur.arrow_forward
- 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)arrow_forwardDescribe the chemiosmotic coupling mechanism. Draw a simple picture illustrating this mechanism and how ATP is synthesized in mitochondria. Label the components.arrow_forwardWhich mechanisms may be used to reverse a high NADH:NAD+ ratio in the cytosol under anaerobic conditions?arrow_forward
- DCCD (diocyclohexylcarbodiimide) inhibits oxidative phosphorylation when the substrate is mitochondrial NADH. DCCD is a drug that binds to ATP synthase and blocks proton transport through the ion channel. a) Explain what the consequences of DCCD on cellular energy production are. b) Suggest at least one other cellular effect of DCCD and explain this effect.arrow_forwardAssuming 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)arrow_forwardBriefly describe the role of uncouplers in oxidative phosphorylation.arrow_forward
- Outline malate-aspartate shuttle which aims to bring cytosolic NADH into the mitochondria.arrow_forwardBriefly, outline the process of the oxidative phosphorylationarrow_forwardTell how many ATPs result from from oxidative phosphorylation of one NADH; tell how many ATPs result from oxidation phosphorylation of one FADH2.arrow_forward
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