FUND.OF GEN CHEM CHAP 1-13 W/ACCESS
16th Edition
ISBN: 9781323406038
Author: McMurry
Publisher: PEARSON C
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Chapter 21, Problem 21.77CP
Interpretation Introduction
Interpretation:
The product of the reaction between acetyl-Co A and oxaloacetate before citrate formation should be shown.
Concept Introduction:
Citric Acid Cycle: It involves 8 series reaction which converts acetyl group present in acetyl coenzyme A into 2
Figure 1
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Which of the following citric acid cycle enzymes catalyzes substrate-level phosphorylation?
A) isocitrate dehydrogenase
B) α-ketoglutarate dehydrogenase
C) succinyl CoA synthetase
D) succinate dehydrogenase
E) malate dehydrogenase
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.
Before any oxidation can occur in the citric acid cycle, citrate must be isomerized into isocitrate. Why is this the case?
Chapter 21 Solutions
FUND.OF GEN CHEM CHAP 1-13 W/ACCESS
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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- Based on your knowledge of the structure of NAD+ and an assumption that coenzyme dissociation is the rate limiting step of the alcohol dehydrogenase mechanism, hypothesize why a N249W mutation at the coenzyme binding site would increase the rate of catalysis.arrow_forwardThe citric acid cycle operates only when O2 is present, yet O2 is not a substrate for the cycle. Explain.arrow_forwardidentify the reactions of the citric acid cycle that provide reducing power for the electron-transport chain a. conversion of succinyl-CoA to succinate b. conversion of fumarate to malate c. conversion of succinate to fumarate d. conversion of malate to oxaloacetatearrow_forward
- After several days of starvation, the capacity of the liver to metabolize acetyl-CoA via the citric acid cycle is greatly diminished. Explain.arrow_forwardThe citric acid cycle itself, which is composed of enzymatically catalyzed steps, can be thought of essentially as a supramolecular enzyme. Explain.arrow_forwardEach of the following citric acid cycle enzymes catalyzes electron transfer to NADH/FADH2 except A) isocitrate dehydrogenase. B) α-ketoglutarate dehydrogenase. C) succinyl CoA synthetase. D) succinate dehydrogenase. E) malate dehydrogenase.arrow_forward
- give five biological effects of disorders of the citric acid cyclearrow_forwardWhen one of the acetyl CoA is processed through the citric acid cycle, how many times does a secondary alcohol group is oxidized to a ketone group?arrow_forwardWhich reaction in the citric acid cycle is most analogous to the oxidative decarboxylation of 6- phosphogluconate to ribulose 5-phosphate? What kind of enzymebound intermediate is formed in both reactions?arrow_forward
- Fourteen NADPH molecules are required to produce one molecules of palmitic acid from acetyl CoA. Substantiate this statement by referring to the enzymatic activities involved in reduction steps during fatty acid synthesis and the number of cycles required to produce palmitic acid from acetyl CoA. How many molecules of ATP is required for the synthesis of palmitic acid from cytosolic acetyl-CoA?arrow_forwardWhy is the citric acid cycle the most efficient way to oxidise Acetyl CoA?arrow_forwardWhat reaction brings acetyl CoA into the citric acid cycle?arrow_forward
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