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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Chapter 24.5, Problem 24.6P
Interpretation Introduction
Interpretation:
The three reactions in citric acid cycle that are similar to the first three reactions of
Concept Introduction:
- The citric acid cycle includes a series of
oxidation-reduction reactions in mitochondria that results in the oxidation of an acetyl group to two molecules of carbon dioxide and reduce the coenzymes that are reoxidized through the electron transport chain, linked to the formation of ATP
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Draw a 6-carbon saturated fatty acid and show where the double bond is created during the first step of β-oxidation. What is the orientation of this bond?
Name the molecules that conserve most of the energy from the redox reactions of the citric acid cycle (see Figure 9.12). How is this energy converted to a form that can be used to make ATP?
Take a look at the citric acid cycle. Look at the entry of acetyl CoA as the first step and oxaloacetate as the final.
Determine each absorbed amino acid's probable point of entrance in the cycle and indicate the stoichiometric quantity of the citric acid cycle intermediate or starting material generated per oligopeptide molecule. If an amino acid has many entrance points into the cycle, you may choose any of them as long as stoichiometric connections are maintained.
Chapter 24 Solutions
Fundamentals of General, Organic, and Biological Chemistry (8th Edition)
Ch. 24.1 - Prob. 24.1KCPCh. 24.3 - Prob. 24.2PCh. 24.3 - Prob. 24.3PCh. 24.5 - Prob. 24.4KCPCh. 24.5 - Prob. 24.5PCh. 24.5 - Prob. 24.6PCh. 24.5 - How much energy is released as ATP from the...Ch. 24.6 - Prob. 24.1CIAPCh. 24.6 - Prob. 24.2CIAPCh. 24.6 - Prob. 24.3CIAP
Ch. 24.6 - Prob. 24.8PCh. 24.6 - Prob. 24.9PCh. 24.7 - Prob. 24.4CIAPCh. 24.7 - Prob. 24.5CIAPCh. 24.7 - Prob. 24.6CIAPCh. 24.7 - What is atherosclerosis?Ch. 24.7 - Prob. 24.8CIAPCh. 24 - Oxygen is not a reactant in the oxidation of...Ch. 24 - Prob. 24.12UKCCh. 24 - Prob. 24.13UKCCh. 24 - Prob. 24.14UKCCh. 24 - Prob. 24.15UKCCh. 24 - Prob. 24.16UKCCh. 24 - Prob. 24.17UKCCh. 24 - Prob. 24.18UKCCh. 24 - Prob. 24.19APCh. 24 - Prob. 24.20APCh. 24 - Prob. 24.21APCh. 24 - Prob. 24.22APCh. 24 - Prob. 24.23APCh. 24 - Prob. 24.24APCh. 24 - Prob. 24.25APCh. 24 - Prob. 24.26APCh. 24 - Prob. 24.27APCh. 24 - Prob. 24.28APCh. 24 - Prob. 24.29APCh. 24 - Prob. 24.30APCh. 24 - Prob. 24.33APCh. 24 - Prob. 24.34APCh. 24 - Prob. 24.35APCh. 24 - Prob. 24.36APCh. 24 - Prob. 24.37APCh. 24 - Prob. 24.38APCh. 24 - Prob. 24.39APCh. 24 - Prob. 24.40APCh. 24 - Prob. 24.41APCh. 24 - Prob. 24.42APCh. 24 - Prob. 24.43APCh. 24 - Prob. 24.44APCh. 24 - Prob. 24.45APCh. 24 - Prob. 24.46APCh. 24 - Prob. 24.47APCh. 24 - Prob. 24.48APCh. 24 - Prob. 24.49APCh. 24 - Prob. 24.50APCh. 24 - Prob. 24.51APCh. 24 - Prob. 24.52APCh. 24 - Prob. 24.53APCh. 24 - Individuals suffering from ketoacidosis have...Ch. 24 - Prob. 24.55APCh. 24 - Prob. 24.56APCh. 24 - Prob. 24.57APCh. 24 - Prob. 24.58APCh. 24 - Why are fatty acids generally composed of an even...Ch. 24 - Prob. 24.60APCh. 24 - Prob. 24.62APCh. 24 - Prob. 24.63APCh. 24 - Prob. 24.64CPCh. 24 - Prob. 24.66CPCh. 24 - Prob. 24.67CPCh. 24 - Prob. 24.68CPCh. 24 - Prob. 24.70GPCh. 24 - In the synthesis of cholesterol, acetyl-CoA is...Ch. 24 - Prob. 24.72GP
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- What substance acts as the starting point of the citric acid cycle, reacting with acetyl-CoA in the first step and being regenerated in the last step? Draw its structure.arrow_forwardThe reaction pictured is an oxidation-reduction reaction in the citric acid cycle in which the energy-carrier molecule NADH is generated. Identify which molecule in the reaction will be oxidized and which molecule will be reduced. Place a single answer choice in each box. COO- HO-C-H H-C-H COO- Malate NAD+ NADH + H+ Oxidized malate oxaloacetate COO- H-C-H ī COO- Oxaloacetate Reduced NADH NAD+arrow_forwardDraw the Fischer projection of glucose and show its catabolism until it releases carbon dioxide via complete oxidation. Use inter-related reactions or pathways, correct names and number of moles of intermediates involved, and the enzymes catalyzing the reactions. Account for all the 6 carbons of thr monosaccharide as they become carbon dioxide by encircling them all throughout the pathway you have written.arrow_forward
- We have encountered reactions similar to the oxidation, hydration, and oxidation reactions of fatty acid degradation earlier in our study of biochemistry. What other pathway employs this set of reactions?arrow_forwardWhat is the significance of substrate-level phosphorylation reactions? Which of the reactions in the citric acid cycle involve a substrate-level phosphorylation? Name another example from a biochemical pathway with which you are familiar.arrow_forwardWhat is the citric acid cycle? Provide a schematic diagram of the citric acid cycle with chemical structures of each compound in the cycle. Indicate the cofactors and products at each step as well as the name of each of the enzymes involved.arrow_forward
- In step 2 of the fatty acid biosynthesis, the acetyl-S-synthase condenses the acetyl group (C2) with a malonyl-ACP (C3) and subsequent decarboxylation to acetoacetyl-ACP (C4). Give the molecule [A] after condensation and before decarboxylation in the reaction below. synthase (A] ACP + CO2 + HS synthase ACP HO S.arrow_forwardDraw a six-carbon saturated fatty acid and show where the double bond is created during the first step of b-oxidation. What is the orientation of this bond?arrow_forwardCan the carbons in ketones be metabolized and wind up in a glucose monosaccharide? If yes, using merely the information presented in class, outline a possible metabolic route for these carbons. If no, explain why not.arrow_forward
- The citric acid cycle is shown. The methyl carbon in acetyl CoA is labeled with C14C14 (shown in red). Identify which of the carbons in each intermediate will be labeled in the first round of the cycle by selecting the indicated carbon(s). Each question has multiple options, answering with only one option is incorrect. Which carbon(s) in α‑ketoglutarate will contain C14? 1 2 3 4 5 Which carbon(s) in succinyl‑CoA will contain C14? 1 2 3 4 Which carbon(s) in succinate will contain C14? 1 2 3 4 Which carbon(s) in fumarate will contain C14? 1 2 3 4 Which carbon(s) in malate will contain C14? 1 2 3 4 Which carbon(s) in oxaloacetate will contain C14? 1 2 3 4arrow_forwardDraw the Fischer projection of galactcose and show its catabolism until it releases carbon dioxide via complete oxidation. Use inter-related reactions or pathways, correct names and number of moles of intermediates involved, and the enzymes catalyzing the reactions. Account for all the 6 carbons of thr monosaccharide as they become carbon dioxide by encircling them all throughout the pathway you have writtearrow_forwardWhy is the sequence of reactions that catabolize fatty acids described as a spiral rather than a cycle?arrow_forward
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