Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Textbook Question
Chapter 5, Problem 1cCP
Describe the physiological functions of lactic acid fermentation. In which tissue(s) is anaerobic
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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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- Describe the four phases of glycolysis. What are theproducts of glycolysis?arrow_forwardIn some tissues, glucose 6-phosphate is oxidized to pentose phosphates by the pentose phosphate pathway. a) Which tissues prefer this pathway and why? Explain in detail. b) Due to the fact that glucose 6-phosphate is also an intermediate for the glycolysis pathway, the regulation of glycolysis and pentose phosphate pathway is very important. NADPH plays a crucial role in partitioning of glucose 6-phosphate between glycolysis and the pentose phosphate pathway. Explain this role of NADPH in detail.arrow_forwardc) As what molecule does each of the monosaccharides enter glycolysis? d) How many moles of ATP are generated from the complete oxidation of one mole of lactose? Show all the steps for the calculation of moles of ATP. Be sure to account for energy used in activating the components of lactose so that they can enter glycolysis.arrow_forward
- How many steps in gluconeogenesis are not the exact reversal of the steps in glycolysis? What kind of conversion of substrate to product does each involve? What is the common theme in each of these reactions?arrow_forwardName the substrate and the product of (a) glycolysis and (b) gluconeogenesis.arrow_forwardDefine Glycolysis and Gluconeogenesis. How GLYCOLYSIS and GLUCONEOGENESIS does reciprocally regulated in the body? Explain it.arrow_forward
- Why is it important that gluconeogenesis is not the exact reversal of glycolysis?arrow_forwardIn the Cori cycle, the lactate product of glycolysis in muscle is transformedback into glucose by the liver. (a) List the enzymes involved in the lactate → glucose pathway. (b) What is the net gain/loss of ATP for one round of the Cori cycle (glucose → lactate → glucose)?arrow_forward1. Is glycolysis catabolic or anabolic? Discuss the importance of glycolysis. 2. What triggers gluconeogenesis? Then, what is the main purpose of gluconeogenesis?arrow_forward
- Indicate the following where the tissue(s) for the metabolic pathway takes place: Glycogenesis Lipogenesis Glycogenolysis Lipolysis Gluconeogenesisarrow_forwardWhat effect do low-energy phosphagens have on glycolytic rate? (1 point) Which phosphagens (name them all: not just the low-energy ones) are known to affect glycolytic enzymes? How do they regulate glycolysis (I don’t mean increase or decrease)? (What type of regulation is employed?)arrow_forwardIdentify the following as a characteristic of one or more following process: glycolysis, glycogenesis, Glycogenolysis, and gluconeogenesis. 1. Glucose 6-phosphate is the initial reactant 2. Glucose is the final product 3. Glucose 6-phosphate is produced in the first step 4. UTP is involved in the process 5. ADP is converted to ATP in this processarrow_forward
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