Fundamentals of General, Organic, and Biological Chemistry (8th Edition)
8th Edition
ISBN: 9780134015187
Author: John E. McMurry, David S. Ballantine, Carl A. Hoeger, Virginia E. Peterson
Publisher: PEARSON
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Textbook Question
Chapter 22, Problem 22.60AP
Why does glycogenolysis use fewer steps than the reverse process, glycogenesis? Which process uses less energy?
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Why does glycogenolysis need fewer stages than glycogenesis? Which procedure consumes the least energy?
Name the substrate and the product of (a) glycogenesis and (b) glycogenolysis.
Gluconeogenesis is like glycolysis but in reverse. Name the 4 enzymes that are responsible for this process. What is its final product?
Chapter 22 Solutions
Fundamentals of General, Organic, and Biological Chemistry (8th Edition)
Ch. 22.2 - Prob. 22.1PCh. 22.2 - Prob. 22.2PCh. 22.3 - Prob. 22.3PCh. 22.3 - Prob. 22.4PCh. 22.3 - Prob. 22.5PCh. 22.3 - Prob. 22.6KCPCh. 22.4 - Prob. 22.1CIAPCh. 22.4 - Prob. 22.2CIAPCh. 22.4 - Prob. 22.3CIAPCh. 22.4 - Explain the chemical process that leads to...
Ch. 22.4 - Prob. 22.5CIAPCh. 22.4 - Prob. 22.7PCh. 22.4 - Prob. 22.8PCh. 22.5 - In alcoholic fermentation, each mole of pyruvate...Ch. 22.5 - Name three ways humans have exploited the ability...Ch. 22.5 - Pyruvate has three different fates. What are the...Ch. 22.6 - Prob. 22.12PCh. 22.6 - Prob. 22.13PCh. 22.7 - Prob. 22.14PCh. 22.7 - Prob. 22.15PCh. 22.7 - Prob. 22.16KCPCh. 22.7 - Prob. 22.6CIAPCh. 22.7 - Prob. 22.7CIAPCh. 22.7 - Prob. 22.8CIAPCh. 22.8 - Prob. 22.17PCh. 22.8 - Prob. 22.18PCh. 22.9 - Prob. 22.19PCh. 22.9 - Prob. 22.20PCh. 22.9 - Prob. 22.21PCh. 22.9 - Prob. 22.9CIAPCh. 22.9 - Prob. 22.10CIAPCh. 22.9 - Prob. 22.11CIAPCh. 22.9 - Prob. 22.12CIAPCh. 22 - What class of enzymes catalyzes the majority of...Ch. 22 - Prob. 22.23UKCCh. 22 - Prob. 22.24UKCCh. 22 - Prob. 22.25UKCCh. 22 - Classify each enzyme of glycolysis into one of the...Ch. 22 - Prob. 22.27UKCCh. 22 - Name the molecules used for gluconeogenesis. What...Ch. 22 - Prob. 22.31APCh. 22 - Prob. 22.32APCh. 22 - Prob. 22.33APCh. 22 - Prob. 22.34APCh. 22 - Prob. 22.35APCh. 22 - Prob. 22.36APCh. 22 - Prob. 22.37APCh. 22 - Prob. 22.38APCh. 22 - Prob. 22.39APCh. 22 - Prob. 22.40APCh. 22 - Prob. 22.41APCh. 22 - Prob. 22.42APCh. 22 - Prob. 22.43APCh. 22 - Prob. 22.44APCh. 22 - Prob. 22.45APCh. 22 - Review the 10 steps in glycolysis (Figure 22.3)...Ch. 22 - Prob. 22.47APCh. 22 - Prob. 22.49APCh. 22 - Prob. 22.50APCh. 22 - Prob. 22.51APCh. 22 - How many moles of acetyl-CoA are produced by the...Ch. 22 - Prob. 22.53APCh. 22 - Prob. 22.54APCh. 22 - Prob. 22.55APCh. 22 - Prob. 22.56APCh. 22 - Prob. 22.57APCh. 22 - Prob. 22.58APCh. 22 - Prob. 22.59APCh. 22 - Why does glycogenolysis use fewer steps than the...Ch. 22 - Prob. 22.61APCh. 22 - Prob. 22.62APCh. 22 - Prob. 22.63APCh. 22 - Prob. 22.64APCh. 22 - Prob. 22.65APCh. 22 - Prob. 22.66APCh. 22 - Prob. 22.67APCh. 22 - Prob. 22.68APCh. 22 - Why can pyruvate cross the mitochondrial membrane...Ch. 22 - Look at the glycolysis pathway (Figure 22.3). With...Ch. 22 - Prob. 22.71CPCh. 22 - Prob. 22.72CPCh. 22 - Prob. 22.74CPCh. 22 - Prob. 22.75CPCh. 22 - Prob. 22.76CPCh. 22 - Why is it important for the cell that the NADH...Ch. 22 - Prob. 22.78CPCh. 22 - Prob. 22.79CPCh. 22 - Prob. 22.80CPCh. 22 - Prob. 22.81CPCh. 22 - Prob. 22.82GPCh. 22 - Prob. 22.83GPCh. 22 - It is important to avoid air when making wine, so...Ch. 22 - Prob. 22.85GP
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- Why is glycogenesis necessary? Why is glycogenolysis necessary?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_forwardGlycogenolysis requires which of the following combination of enzymes? A) Glycogen synthase and branching enzyme. OB) Glycogen synthase, x-1,6-glucosidase, and debranching enzyme. OC) Glycogen phosphorylase, x-1,6-glucosidase, and branching enzyme. OD) Glycogen phosphorylase, x-1,6-glucosidase, and debranching enzyme.arrow_forward
- How does aerobic glycolysis differ from anaerobic glycolysis? Why is anaerobic glycolysis not really anaerobic?arrow_forwardFructose can enter glycolysis by hexokinase. If fructose is used for glycolysis what enzyme can be skipped in glycolysis? And why can this enzyme be skipped if fructose is used for glycolysis?arrow_forwardWhich of the following is a correctly-paired opposite? 1) gluconeogensis and glycolysis 2) lipolysis and glycogenesis 3) glycogenolysis and gluconeogenesis 4) gluconeogenesis and glycogenesisarrow_forward
- Why is glycolysis more rapid after the infusion of fructose?arrow_forwardWhich statement best describes the reason why some of the reactions of glycolysis cannot be run in reverse in gluconeogenesis? 1) The last reactions occur in mitochondria and reactions there can never be reversed. 2) Glycolysis includes isomerization reactions and these can never be reversed. 3) There are some allaşteric enzymes and allosteric enzymes can never be reversed. 4) Some reactions have such large negative free energy changes that they can never be reversed under cellular conditions. Oarrow_forwardWhy is phosphofructokinase rather than hexokinase the pacemaker of glycolysis?arrow_forward
- Why isn’t the hexokinase step the commitment step for glycolysis even though it is the first step and is irreversible?arrow_forwardHow 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_forwardHow is glycogenolysis being regulated?arrow_forward
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