EP FUND.OF GENERAL,ORG...-MOD.MASTERING
8th Edition
ISBN: 9780134326061
Author: McMurry
Publisher: PEARSON CO
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Textbook Question
Chapter 21, Problem 21.78CP
Fumarate produced in step 6 of the citric acid cycle must have a trans double bond to continue on in the cycle. Suggest a reason why the corresponding cis double-bond isomer cannot continue in the cycle.
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Fumarate produced in step 6 of the citric acid cycle must have a trans double bond to continue on in the cycle. Suggest a reason why the corresponding cis double-bond isomer cannot continue in the cycle.
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Identify at least five biological effects of disorders of the citric acid cycle
Chapter 21 Solutions
EP FUND.OF GENERAL,ORG...-MOD.MASTERING
Ch. 21.1 - In a cell, glucose can be oxidized via metabolic...Ch. 21.1 - Prob. 21.2KCPCh. 21.1 - Prob. 21.1CIAPCh. 21.1 - Prob. 21.2CIAPCh. 21.1 - Prob. 21.3CIAPCh. 21.1 - Prob. 21.4CIAPCh. 21.3 - Prob. 21.3PCh. 21.4 - Prob. 21.4PCh. 21.4 - Prob. 21.5PCh. 21.4 - Prob. 21.5CIAP
Ch. 21.4 - How does a cell disarm each of the ROS in CIA...Ch. 21.5 - One of the steps in lipid metabolism is the...Ch. 21.5 - Prob. 21.7PCh. 21.5 - Prob. 21.7CIAPCh. 21.5 - Prob. 21.8CIAPCh. 21.5 - Prob. 21.9CIAPCh. 21.5 - Prob. 21.10CIAPCh. 21.5 - Prob. 21.8PCh. 21.6 - Prob. 21.9PCh. 21.6 - Prob. 21.10PCh. 21.7 - Prob. 21.11PCh. 21.7 - Prob. 21.13PCh. 21.7 - Identify the participants in the citric acid cycle...Ch. 21.7 - Prob. 21.15PCh. 21.7 - Prob. 21.16KCPCh. 21.8 - Within the mitochondrion, is the pH higher in the...Ch. 21.8 - Prob. 21.18PCh. 21.8 - Prob. 21.19KCPCh. 21.8 - Prob. 21.11CIAPCh. 21.8 - Prob. 21.12CIAPCh. 21.8 - Prob. 21.13CIAPCh. 21 - Prob. 21.20UKCCh. 21 - Each of these reactions is involved in one of the...Ch. 21 - Prob. 21.22UKCCh. 21 - Prob. 21.23UKCCh. 21 - The reaction that follows is catalyzed by...Ch. 21 - Prob. 21.25UKCCh. 21 - The electron-transport chain uses several...Ch. 21 - Prob. 21.27APCh. 21 - What is the difference between an endergonic...Ch. 21 - Prob. 21.29APCh. 21 - Prob. 21.30APCh. 21 - Prob. 21.31APCh. 21 - Prob. 21.32APCh. 21 - Which of the following organisms are prokaryotes,...Ch. 21 - Label each of the following as a characteristic of...Ch. 21 - Prob. 21.35APCh. 21 - Prob. 21.36APCh. 21 - Describe in general terms the structural makeup of...Ch. 21 - Prob. 21.38APCh. 21 - Prob. 21.39APCh. 21 - Prob. 21.40APCh. 21 - Prob. 21.41APCh. 21 - Prob. 21.42APCh. 21 - Prob. 21.43APCh. 21 - Prob. 21.44APCh. 21 - What does it mean when we say that two reactions...Ch. 21 - Prob. 21.46APCh. 21 - Prob. 21.47APCh. 21 - Prob. 21.48APCh. 21 - Prob. 21.49APCh. 21 - Prob. 21.50APCh. 21 - Prob. 21.51APCh. 21 - Prob. 21.52APCh. 21 - Prob. 21.53APCh. 21 - Prob. 21.54APCh. 21 - Prob. 21.55APCh. 21 - Prob. 21.56APCh. 21 - Prob. 21.57APCh. 21 - Prob. 21.58APCh. 21 - Prob. 21.59APCh. 21 - Prob. 21.60APCh. 21 - Prob. 21.61APCh. 21 - Prob. 21.62APCh. 21 - Prob. 21.63APCh. 21 - Prob. 21.64APCh. 21 - Prob. 21.65APCh. 21 - Prob. 21.66APCh. 21 - Prob. 21.67APCh. 21 - Prob. 21.68APCh. 21 - What does the term oxidative phosphorylation mean?...Ch. 21 - Prob. 21.70APCh. 21 - Prob. 21.71APCh. 21 - Prob. 21.72APCh. 21 - Prob. 21.73APCh. 21 - Prob. 21.74APCh. 21 - Prob. 21.75APCh. 21 - Prob. 21.76APCh. 21 - Prob. 21.77CPCh. 21 - Fumarate produced in step 6 of the citric acid...Ch. 21 - With what class of enzymes are the coenzymes NAD+...Ch. 21 - Prob. 21.80CPCh. 21 - Prob. 21.81CPCh. 21 - Prob. 21.82CPCh. 21 - The mitochondrion pumps H+ from the matrix into...Ch. 21 - Prob. 21.84CPCh. 21 - Prob. 21.85CPCh. 21 - Prob. 21.86CPCh. 21 - Prob. 21.87GPCh. 21 - Prob. 21.88GPCh. 21 - Prob. 21.89GP
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- Provide an explanation for why glucose-6-phopshate must be isomerized to fructose-6-phosphate in glycolysis.arrow_forwardMalate dehydrogenase has a ΔGo′ΔGo′= 29.5 kJ/mol for the formation of oxaloacetate from malate yet plays a crucial role in the Citric Acid Cycle. Explain (briefly) how this enzyme with a very non-spontaneous ΔGo′ΔGo′can function well in a biochemical pathway.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. Several classes of organic reactions like 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_forward
- The glycerol 3-phosphate required for the synthesis of glycerophospholipids can be synthesized from a glycolytic intermediate. Propose a reaction sequence for this conversionarrow_forwarda-Ketoglutarate plays a central role in the biosynthesis of several amino acids. Arrange the reactions to outline the net synthesis of a-ketoglutarate from pyruvate. Your proposed sequence must not include reactions that result in the net consumption of other citric acid cycle intermediates. Pyruvate + ATP + CO, + H,0 → oxaloacetate + ADP + P; + H+ a-Ketoglutarate + CoA + NAD+ → succinyl-CoA + CO,+NADH + H+ Pyruvate + CoA + NAD+ acetyl-CoA + CO,+NADH + H+ Oxaloacetate + acetyl-CoA → citrate + CoA Oxaloacetate + NADH + H+ malate + NAD+ Citrate → isocitrate Isocitrate + NAD+ a-ketoglutarate + CO,+NADH + H* 2.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
- What would be the effect of the inhibition on other intermediates in the citric acid cycle?arrow_forwardgive five biological effects of disorders of the citric acid cyclearrow_forwardInterestingly, the most common treatment for methanol poisoning is to use ethanol as an antidote. Why would adding large amounts of ethanol help slow down the rate of formic acid production by aldehyde dehydrogenase?arrow_forward
- During glycogen synthesis, glucose-1P is converted into a molecule called UDPG. This reaction also cleaves uridine triphosphate (UTP) forming uridine monophosphate and pyrophosphate (PPi). Provide four reasons why UTP can be used to power this reaction (no diagrams necessary).arrow_forward(a) Write a balanced equation for the conversion of aspartate into glucose through the intermediate oxaloacetate. Which coenzymes participate in this transformation? (b) Write a balanced equation for the conversion of aspartate into oxaloacetate through the intermediate fumaratearrow_forwardA mutated IDH1 isoenzyme is found in a high percentage of a type of brain cancer called glioblastoma. Instead of converting isocitrate to α-ketoglutarate, mutated IDH1 converts its substrate to 2-hydroxyglutarate, a circumstance that disrupts the citric acid cycle, among other effects. Review the structures of isocitrate and α-ketoglutarate and determine the structure of 2- hydroxyglutaratearrow_forward
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