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Biochemistry: Molecular. -Std. S. G. Solutions Format: Paperback
6th Edition
ISBN: 9780190209919
Author: MCKEE
Publisher: Oxford University Press
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Question
Chapter 9, Problem 21RQ
Summary Introduction
Toreview:
The role played by each enzyme, cofactor, and coenzyme of the enzyme complex pyruvate dehydrogenase.
Introduction:
Pyruvate dehydrogenase complex (PDHC) is a large structure consisting of multiple enzymes, which aid the conversion of pyruvate to acetyl-CoA. The process of conversion is called pyruvate decarboxylation. Acetyl-CoA (coenzyme A) can be utilized for carrying out
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In the glyoxylate cycle, two molecules of acetyl-CoA areconverted into _______________ and malate.
A metabolic pathway that functions in both anabolic andcatabolic processes is called an _____________________pathway.
Glycogen phosphorylase, an enzyme that catalyzes the breakdown of glycogen to form glucose, is active when a phosphate group is added. This is an example of enzyme regulation by ____________________________.
Chapter 9 Solutions
Biochemistry: Molecular. -Std. S. G. Solutions Format: Paperback
Ch. 9 - Prob. 1QCh. 9 - Prob. 2QCh. 9 - Prob. 3QCh. 9 - Prob. 4QCh. 9 - Prob. 5QCh. 9 - Prob. 6QCh. 9 - Prob. 7QCh. 9 - Prob. 1RQCh. 9 - Prob. 2RQCh. 9 - Prob. 3RQ
Ch. 9 - Prob. 4RQCh. 9 - Prob. 5RQCh. 9 - Prob. 6RQCh. 9 - Prob. 7RQCh. 9 - Prob. 8RQCh. 9 - Prob. 9RQCh. 9 - Prob. 10RQCh. 9 - Prob. 11RQCh. 9 - Prob. 12RQCh. 9 - Prob. 13RQCh. 9 - Prob. 14RQCh. 9 - Prob. 15RQCh. 9 - Prob. 16RQCh. 9 - Prob. 17RQCh. 9 - Prob. 18RQCh. 9 - Prob. 19RQCh. 9 - Prob. 20RQCh. 9 - Prob. 21RQCh. 9 - Prob. 22RQCh. 9 - Prob. 23RQCh. 9 - Prob. 24RQCh. 9 - Prob. 25RQCh. 9 - Prob. 26RQCh. 9 - Prob. 27RQCh. 9 - Prob. 28FBCh. 9 - Prob. 29FBCh. 9 - Prob. 30FBCh. 9 - Prob. 31FBCh. 9 - Prob. 32FBCh. 9 - Prob. 33FBCh. 9 - Prob. 34FBCh. 9 - Prob. 35FBCh. 9 - Prob. 36FBCh. 9 - Prob. 37FBCh. 9 - Prob. 38SACh. 9 - Prob. 39SACh. 9 - Prob. 40SACh. 9 - Prob. 41SACh. 9 - Prob. 42SACh. 9 - Prob. 43TQCh. 9 - Prob. 44TQCh. 9 - Prob. 45TQCh. 9 - Prob. 46TQCh. 9 - Prob. 47TQCh. 9 - Prob. 48TQCh. 9 - Prob. 49TQCh. 9 - Prob. 50TQCh. 9 - Prob. 51TQCh. 9 - Prob. 52TQCh. 9 - Prob. 53TQCh. 9 - Prob. 54TQCh. 9 - Prob. 55TQCh. 9 - Prob. 56TQCh. 9 - Prob. 57TQCh. 9 - Prob. 58TQCh. 9 - Prob. 59TQ
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- The carrier of carbon dioxide in fatty acid synthesis is____________________.arrow_forwardQUESTION 12.10 Identify each of the following biomolecules: H HN `NH CH3 -CH2 COA-S CH2 CH3 S-ACP -R (a) (b) (c) (d) What is the function of each?arrow_forwardThe acetyl group of acetyl-CoA is derived from the breakdown of lipids, carbohydrates, and certain _____________.arrow_forward
- _____________ is a small matrix protein that functions as an electron acceptor for dehydrogenases in fatty acid oxidation.arrow_forwardWhat is ornithine transcarbamylase (OTC)deficiency ?arrow_forwardQUESTION 2 Consider the chemical transformation in the reaction shown below. Select the fermentation or gluconeogenesis enzyme that catalyzes the most similar type of transformation. NAD H NAD O: HO Pyruvate decarboxylase Lactate dehydrogenase/alcohol dehydrogenase O Pyruvate carboxylase O Phosphoenolpyruvate carboxykinase (PEPCK) Fructose 1,6-bisphosphatase/glucose 6-phosphatasearrow_forward
- The enzyme Malate Dehydrogenase (MD) catalyzes the conversion of malate to oxaloacetate using nicotinamide adenine dinucleotide (NAD) as an enzyme cofactor (or coenzyme). Answer the following questions about this reaction. See pp. 462-467 of your textbook for further information. (a) Briefly explain how we know that this reaction (malate → oxaloacetate) is an oxidation- reduction reaction. (b) Write out the two reductive half reactions and indicate the ɛº' for each half reaction. Write out the full balanced reaction for the malate to oxaloacetate reaction and indicate the Ae°l for the reaction. (c) What is the free energy change under standard state conditions (AGº') for this reaction? Which direction is spontaneous?arrow_forwardThe pyruvate dehydrogenase complex catalyzes the oxidative decarboxylation of pyruvate to form acetyl‑CoA. E1E1 , E2E2 , and E3E3 are abbreviations for the enzymes of the complex. Classify the enzyme names, prosthetic groups, and reactions as E1E1 , E2E2 , or E3E3 .arrow_forwardQuestion 1. a) Explain how 5 specific fatty acids ultimately generate specific classes of prostaglandins and leukotrienes that are involved in blood pressure, platelet aggregation and inflammation.b) Indicate and explain the specific effects of each of these classes of prostaglandins and leukotrienes on blood pressure, platelet aggregation and inflammation.c) Identify which foods, functional foods and nutraceuticals provide one or more of these 5 fatty acids.arrow_forward
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