Essential Organic Chemistry, Global Edition
3rd Edition
ISBN: 9781292089034
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Chapter 19, Problem 43P
Interpretation Introduction
Interpretation:
The formation reactions of
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Chapter 19 Solutions
Essential Organic Chemistry, Global Edition
Ch. 19.4 - Prob. 1PCh. 19.4 - How many molecules of NADH are formed from the...Ch. 19.4 - Why does the OH group add to the -carbon rather...Ch. 19.5 - Prob. 4PCh. 19.5 - Prob. 5PCh. 19.5 - The oxidation of glyceraldehyde-3-phosphate to...Ch. 19.5 - Prob. 7PCh. 19.6 - Prob. 8PCh. 19.6 - Prob. 9PCh. 19.6 - Propose a mechanism for the reduction of...
Ch. 19.7 - Prob. 11PCh. 19.8 - Acid-catalyzed dehydration reactions are normally...Ch. 19.8 - Prob. 13PCh. 19.8 - Prob. 14PCh. 19.8 - Prob. 15PCh. 19.9 - Prob. 16PCh. 19.10 - a. What is the name of the enzyme that converts...Ch. 19.13 - Prob. 18PCh. 19 - Prob. 19PCh. 19 - Prob. 20PCh. 19 - Prob. 21PCh. 19 - Prob. 22PCh. 19 - Prob. 23PCh. 19 - Prob. 24PCh. 19 - Prob. 25PCh. 19 - Prob. 26PCh. 19 - Prob. 27PCh. 19 - Prob. 28PCh. 19 - Prob. 29PCh. 19 - Prob. 30PCh. 19 - Prob. 31PCh. 19 - Prob. 32PCh. 19 - Prob. 33PCh. 19 - Prob. 34PCh. 19 - Prob. 35PCh. 19 - Prob. 36PCh. 19 - Prob. 37PCh. 19 - Prob. 38PCh. 19 - Prob. 39PCh. 19 - Prob. 40PCh. 19 - Prob. 41PCh. 19 - Prob. 42PCh. 19 - Prob. 43PCh. 19 - Prob. 44PCh. 19 - UDP-galactose-4-epimerase converts UDP-galactose...Ch. 19 - A student is trying to determine the mechanism for...Ch. 19 - What would be the results of the experiment in...
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- The first step of the metabolic process known as glycolysis is the conversion of glucose to glucose- 6-phosphate. This process has a positive value for rG' Glucose + Pi Glucose-6-phosphate + H2O rG' = +13.8 kJ/mol-rxn This reaction is coupled to the hydrolysis of ATP ATP + H2O ADP + Pi rG' = -30.5 kJ/mol-rxn What is the sum of these two equations and the value of rG' for the coupled reaction? Is the coupled reaction product-favored at equilibrium?arrow_forwardStep 7 of the citric acid cycle is shown. Which statement best describes what occurs in this step? CO₂ 1 CH || CH + H₂O CO₂ fumarate CO₂™ fumarase HO C-H CH₂ CO₂ malate A) Fumarate undergoes hydrogenation with hydrogens and electrons provided by the enzyme fumarase. B) Fumarate undergoes hydration with the aid of the enzyme fumarase. C) Fumarate undergoes hydrolysis with the aid of the enzyme fumarase. D) Fumarate undergoes reduction with the aid of the cofactor fumarase.arrow_forwardA portion of the citric acid cycle is shown below. What are the identities of A and B? citrate → A→isocitrate → B A = cis-aconitate; B = a-ketoglutarate A = malate; B = fumarate A = cis-aconitate; B = oxaloacetate A = a-ketoglutarate; B = succinate A = succinate; B = a-ketoglutaratearrow_forward
- Why is the conversion of lactic acid from the blood into glucose in the liver in an organism’s best interest?arrow_forwardThere are eight chemical reactions that occur in the citric acid cycle process. The reactions of the citric acid cycle are shown in the figure below. You were introduced to several classes of organic reactions. These classes include esterification, decarboxylation, hydration reactions, dehydration of alcohols, oxidation of alcohols, oxidation of aldehydes, reduction of aldehydes, and reduction of ketones. Find at least one of these reaction classes in the citric acid cycle. List the reaction number and the reaction. Write a sentence or two on how you were able to make the classification.arrow_forwardNADH and FADH2 can "create" ATP only if the cell can do electron transport True Falsearrow_forward
- The number of ATP molecules consumed and produced during glycolysis under anaerobic conditions are summarized in the following diagram (the ATP hydrolysis and synthesis reactions are shown in green). Phosphate Carbon atom 2 ATP 2 ADP ●●●●●● Glucose I Energy-Investing Phase O 2 ATP O 6 ATP O 1 ATP 8 ATP NADH + NAD* +H* O 4 ATP ●●●● 2 ADP 2 ATP NADH + NAD +H Based on the diagram above, for each glucose molecule broken down, what is the net energy yield of glycolysis in terms of ATP under anaerobic conditions? Pyruvate 2 ADP 2 ATP ●●●●● Energy-Generating Phase Pyruvatearrow_forwardThe average adult consumes approximately 11,700 kJ per day. Assuming that the metabolic pathways leading to ATP synthesis operate at 50% thermodynamic efficiency, about 5850 kJ ends up in the form of synthesized ATP. The average adult consumes approximately 11,700 kJ per day. Assuming that the metabolic pathways leading to ATP synthesis operate at 50% thermodynamic efficiency, about 5850 kJ ends up in the form of synthesized ATP. Imagine that creatine phosphate, rather than ATP, is the universal energy carrier molecule in the human body. Assume that the cellular concentrations of creatine phosphate, creatine, and phosphate are 21.7 mM, 2.17×10-3 mM, and 6.30 mM, respectively. Calculate the weight of creatine phosphate that would need to be consumed each day by a typical adult human if creatine phosphate could not be recycled. Estimate the free energy of hyrdolysis of creatine phosphate under cellular conditions to determine how many moles are required. Use the standard…arrow_forwardKinetic versus thermodynamic. The reaction of NADH with oxygen to produce NAD+NAD* and H2OH2O is very exergonic, yet the reaction of NADH and oxygen takes place very slowly. Why does a thermodynamically favorable reaction not occur rapidly?arrow_forward
- Most fatty acids have an even number of carbons and, therefore, are completely metabolized to acetyl-CoA. A fatty acid with an odd number of carbons is metabolized to acetyl-CoA and one equivalent of propionyl-CoA. The following two reactions convert propionyl-CoA into succinyl-CoA, a citric acid cycle intermediate, so it can be further metabolized. Each of the reactions requires a coenzyme. Identify the coenzyme for each step. From what vitamins are the coenzymes derived?arrow_forwardMost fatty acids have an even number of carbons and, therefore, are completely metabolized to acetyl-CoA. A fatty acid with an odd number of carbons is metabolized to acetyl-CoA and one equivalent of propionyl-CoA. The following two reactions convert propionyl-CoA into succinyl-CoA, a citric acid cycle intermediate, so it can be further metabolized. Each of the reactions requires a coenzyme. Identify the coenzyme for each step. From what vitamins are the coenzymes derived?arrow_forwardThere are at least three kinds of coenzymes that play a central role in metabolism. Among these coenzymes, NAD* participates in a specific type of reactions. Following is an example of such a reaction involving NAD+. Predict the missing product of this reaction. OH Alcohol dehydrogenase ? + NADH + H+ CH3-CH-CH3 + NAD+ O || CH3 C CH3 O || CH3-C-OH CH2=CH–CH3 OH I CH3-CH-CH3 Oarrow_forward
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