Organic Chemistry (8th Edition)
8th Edition
ISBN: 9780134042282
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Chapter 24, Problem 47P
Interpretation Introduction
Interpretation:
The coenzymes required in the given conversions of the fatty acid metabolic process should be given.
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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?
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?
The TCA cycle (or tricarboxylic acid cycle) breaks down acetyl CoA and captures
the energy in high energy molecules.
For each molecule of acetyl CoA, the TCA cycle yields
A) 1 ATP and 1 NADH
B) 1 CO₂ and 2 NADH
C) 4 CO₂ and 6 NADH and 2 FADH2
2
D) 2 CO₂ and 3 NADH and 1 FADH₂
E) 2 CO₂ and 3 NADH and and 1 FADH₂ and 1
ATP
Chapter 24 Solutions
Organic Chemistry (8th Edition)
Ch. 24.3 - Prob. 2PCh. 24.5 - Prob. 3PCh. 24.5 - Prob. 4PCh. 24.5 - Why does the OH group add to the -carbon rather...Ch. 24.5 - Prob. 6PCh. 24.5 - How many molecules of NADH are formed from the...Ch. 24.6 - Prob. 8PCh. 24.6 - The oxidation of glyceraldehyde-3-phosphate to...Ch. 24.6 - Prob. 10PCh. 24.7 - Prob. 11P
Ch. 24.7 - Prob. 12PCh. 24.7 - Prob. 13PCh. 24.7 - Propose a mechanism for the reduction of...Ch. 24.8 - Prob. 15PCh. 24.9 - Acid-catalyzed dehydration reactions are normally...Ch. 24.9 - Prob. 17PCh. 24.9 - Prob. 18PCh. 24.9 - Acid-catalyzed dehydration reactions are normally...Ch. 24.9 - Prob. 20PCh. 24.9 - Prob. 21PCh. 24.10 - Prob. 22PCh. 24.12 - a. What is the name of the enzyme that converts...Ch. 24.14 - Prob. 24PCh. 24 - Prob. 25PCh. 24 - Prob. 26PCh. 24 - Prob. 27PCh. 24 - S-Adenosylmethionine (SAM) is formed from the...Ch. 24 - Prob. 29PCh. 24 - Prob. 30PCh. 24 - Prob. 31PCh. 24 - Prob. 32PCh. 24 - Prob. 33PCh. 24 - Prob. 34PCh. 24 - Prob. 35PCh. 24 - Prob. 36PCh. 24 - Prob. 37PCh. 24 - Prob. 38PCh. 24 - Prob. 39PCh. 24 - Prob. 40PCh. 24 - Prob. 41PCh. 24 - Prob. 42PCh. 24 - Prob. 43PCh. 24 - Prob. 44PCh. 24 - Prob. 45PCh. 24 - Prob. 46PCh. 24 - Prob. 47PCh. 24 - Prob. 48PCh. 24 - Prob. 49PCh. 24 - Prob. 50PCh. 24 - Prob. 51PCh. 24 - UDP-galactose-4-epimerase converts UDP-galactose...Ch. 24 - A student is trying to determine the mechanism for...Ch. 24 - What would be the results of the experiment in...
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- Fatty acids and triglycerides are an important source of nutrition and a dense form of stored energy. Digestion of fats yields more energy per gram than digestion of carbohydrates. Each turn on the B-oxidation spiral results in the formation of a new acetyl COA molecule. This molecule can then be used to generate more energy in A) fatty acid synthesis B) ketolysis C) glycolysis D) tricarboxylic acid cycle E) oxidative phosphorylationarrow_forwardPlace the steps of glycolysis in the order that they occur. Last step Answer Bank Glucose is phosphorylated by hexokinase. Glyceraldehyde-3-phosphate is converted to 1,3-bisphosphoglycerate. Aldolase cleaves the six-carbon sugar into two three-carbon sugars. Phosphoenolpyruvate is converted to pyruvate. 3-Phosphoglycerate is formed. Fructose-6-phosphate is phosphorylated by phosphofructokinase. First steparrow_forwardCoenzyme A, NAD*, and FAD are coenzymes that are necessary for energy production. Classify each statement as describing coenzyme A, NAD+, or FAD. Coenzyme A NAD+ FAD Answer Bank accepts two hydrogen atoms when it is reduced derived from the vitamin pantothenic acid (B₂) accepts two electrons and one proton when it is reduced derived from the vitamin nicotinamide derived from the vitamin riboflavin (B₂) forms part of acetyl-SCOA, which is part of the citric acid cyclearrow_forward
- The following reaction constitutes the first step in the citric acid cycle. List all the reactants in this reaction? H₂O COO™ C=O || CH3-C-CoA Acetyl COA CH₂ COO™ Oxaloacetate HS-COA Citrate synthase O Citrate and HS-COA COO™ I CH₂ HO-C-COO CH₂ COO™ Citrate Water, Acetyl CoA, and HS-CoA O Oxaloacetate and Acetyl CoA Oxaloacetate, Acetyl CoA, and HS-COA O Oxaloacetate, Acetyl CoA, and Waterarrow_forwardConsider the docosanoic acid, C21H43CO2H Label the alpha and beta Carbons. Draw each acyl CoA derived from this fatty acid. How many acetyl Co A molecules are formed by complete beta-oxidation? How many cycles of beta-oxidation are needed for complete oxidation? How many molecules of ATP are formed from the complete catabolism of this fatty acid? Show the complete computation. How many moles of ATP per gram of fatty acid is formed from the complete catabolism of the given fatty acid? What is the molar mass of the given fatty acid?arrow_forwardPyruvate must be oxidized into acetyl-CoA in order to enter the citric acid cycle. Which of the following are required for this process per one molecule of pyruvate? ADP, FADH ATP, NADH ATP, NAD+ NAD+, coenzyme A CO2, NADHarrow_forward
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