30. Which of the following enzymes are required for the shown reaction?COOHCH₂CH₂C=OHS-COACoolCON CHCOOH NAD+ NADH+H+CH₂IC=0IS-COAA. a-ketoglutarate dehydrogenaseB. dihydrolipoyl dehydrogenaseC. Both A and BD. Neither A nor B

Glucose is oxidized during glycolysis and the end product (pyruvate) is converted to Acetyl CoA via…

Answered: 30. Which of the following enzymes are…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Acetyl-CoA can be synthesized a. By pyruvate dehydrogenase or fatty acid ?-oxidation b. All the answers are true c. From pyruvate or fatty acids d. In the matrix of the mitochondria
The coenzymes required for the activity of the pyruvate dehydrogenase complex are a. biotin, thiamine pyrophosphate, CoASH, and lipoic acid b. lipoic acid, NAD+, thiamine pyrophosphate and FAD c. NAD+, lipoic acid, tetrahydrofolate, CoASH d. biotin, tetrahydrofolate, vitamin B6
If (1-1C)-glucose is metabolized to acetyl-CoA and CO2 via glycolysis and the pyruvate dehydrogenase complex, which are properly labeled products? 1. CH3-1Co-S-COA and CO2 2. 1°CH3-CO-S-COA and CO, 3. 1CHy.Co-S-CoA and CO, 4. CH3-CO-S-COA and 1co: 5. 1CH3-1CO-S-COA and 1co, 0.3 02 04 05
The reaction below catalyzed by phosphoglycerate mutase is, 3-phosphoglycerate 2-phosphoglycerate an isomerization. A. В. a group transfer reaction. a reversed aldol condenstion. C. Op an oxidation reduction reaction. E. Cand D
In the 1step of the 2-step reaction shown below, which substrate/co-substrate is being oxidized? a. NADH b. B-ketoacyl-CoA c. L-B-hydroxy-acyl-CoA d. NAD+ e. H+
4
A patient who has been drinking large amounts of alcohol for long periods of time shows thefollowing symptoms: apathy, loss of memory, and a rhythmical to-and-fro motion of the eyeballs.Which of the following reactions are most likely to be affected in the patient? A. Conversation of pyruvate to acetyl-CoA B. Conversation of a-ketoglutarate to succinyl-CoA C. Both A and B D. Neither A nor B
The sources of the three (3) carbons in malonyl-Coa is/are: a. 1 C from C02 and 2 C from acetyl-CoA b. 1 C from HCO3- and 2 C from acetyl-CoA c. 1 C from biotin and 2 C from acetyl-CoA d. All three C from acetyl-CoA
CHOOSE THE CORRECT LETTER 1.What kind of reaction is catalyzed by hexokinase? A. reductionB.phosphorylationC.isomerizationD. oxidation 2.What type of reaction regenerates oxaloacetate after one turn of the Kreb's cycle?A.dehydrationB.reductionC.oxidationD. hydration
FAD is reduced in which of the following reactions/transformations in the Krebs cycle? a. Succiny| CoA to succinate b. Isocitrate to oxaloacetate c. Fumarate to malate d. Succinate to fumarate
Order the cofactors based on their use in the mechanism of the a-etogluterate dehydrogenase complex. 1. Stabilizes a carbanion due to decarboxylation 2. Allows for the splitting of the carbon skeleton from the electron pair generated in a redox reaction 3. Enzyme bond electron carrier that is part of dihydrolipoyl dehydrogenase 4. Final electron acceptor in the overall reaction catalyzed by this complex 1 2 3 4 answer choices: lipoamide, biotin, 2 Fe - 2S cluster, TPP, NAD+, FAD
3) Indicate the order in which the metabolites in citric acid cycle are produced; acetyl CoA as 1 and oxaloacetate as 9. Metabolites in Citric Acid Cycle Order Enzyme involved in the formation of the metabolite Acetyl CoA 1 Oxaloacetate 9. Succinyl SCOA Fumarate Malate Citrate Succinate a-Ketoglutarate Isocitrate

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30. Which of the following enzymes are required for the shown reaction? CH ₂ HS-COA CO₂ CH₂ IZL C=0 COOH NAD+ NADH +H+ COOH CH₂ C=O Cool S-COA A. a-ketoglutarate dehydrogenase B. dihydrolipoyl dehydrogenase C. Both A and B D. Neither A nor B