All of the following are accurate contrasts for beta oxidation vs fatty acid synthesis except which of the following statements? Group of answer choices The hydroxylacyl group differs in stereochemistry between beta oxidation and biosynthesis CoA is the acyl carrier group in beta oxidation, acyl carrier protein is the carrier in biosynthesis The carbon unit resulting from beta oxidation is acetyl-CoA, the carbon unit for biosynthesis is malonyl-CoA FAD is an electron acceptor in beta oxidation, NADP+ is the electron acceptor in biosynthesis

All of the following are accurate contrasts for beta oxidation vs fatty acid synthesis except which of the following statements? Group of answer choices The hydroxylacyl group differs in stereochemistry between beta oxidation and biosynthesis CoA is the acyl carrier group in beta oxidation, acyl carrier protein is the carrier in biosynthesis The carbon unit resulting from beta oxidation is acetyl-CoA, the carbon unit for biosynthesis is malonyl-CoA FAD is an electron acceptor in beta oxidation, NADP+ is the electron acceptor in biosynthesis

Biochemistry

6th Edition

ISBN:9781305577206

Author:Reginald H. Garrett, Charles M. Grisham

Publisher:Reginald H. Garrett, Charles M. Grisham

Chapter27: Metabolic Integration And Organ Specialization

Section: Chapter Questions

Problem 17P

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Part A Identify each of the following metabolic pathways. Drag the appropriate labels to their respective targets. Reset Help the conversion of fatty acids to 2-carbon units of acetyl CoA ketogenesis the conversion of an amino acid to an a-keto transamination acid the combination of 2-carbon units of acetyl COA to form fatty acids oxidative deamination the removal of an amino group as NH4+ from B oxidation glutamate to yield a-ketoglutarate lipogenesis the production of ketone bodies
On these following choices, Malonyl CoA synthase, Malonyl CoA synthetase, Acetyl CoA carboxylase and Acetyl CoA decarboxylase, what is the correct answer in fatty acid synthesis?
Beta-Oxidation of a 15:14⁹ fatty acid will result in the production of which of the following? 7 acetyl CoA, 1 propionyl CoA, 6 FADH2 and 6 NADH 7 acetyl CoA, 6 FADH2 and 6 NADH 6 acetyl CoA, 1 propionyl CoA, 6 FADH2 and 6 NADH 6 acetyl CoA, 1 propionyl CoA, 5 FADH2 and 6 NADH 6 acetyl CoA, 6 FADH2 and 6 NADH
Which of the following is NOT part of the multi-enzyme complex of fatty acid synthase? O enoyl-ACP reductase O acetyl CoA carboxylase O 3-hydroxybutyrylACP-dehydratese O B-ketoacyl-ACP reductase
Step 2 of B-oxidation involves a reaction with chemistry characterized as a dehydration. B-Oxidation is shown below. H HO || || C-C-S – CoA FAD но R-CH2- C Acyl-CoA dehydrogenase H-C-C -S- CoA Acetyl-CoA Fatty acyl-CoA H FADH2 - CH2 - -c-S- CoA R- Thiolase Fatty acyl-CoA shortened by two carbons COA-SH H. он Successive cycles R-CH2-C-C- -C-S- CoA R– CH2 C=C-C-S-CoA H B-Ketoacyl-Co.A trans-A²Enoyl-CoA NADH + H* H,0 H H L-Hydroxyacyl-CoA dehydrogenase Enoyl-CoA hydratase R- CH,-c-c-C- S-CoA Но H NAD+ L-B-Hydroxyacyl-CoA True O False
Which of the following is most helpful in ensuring that wasteful (unproductive) hydrolysis of acetyl CoA does not occur in the reaction catalyzed by citrate synthase? Group of answer choices Citrate synthase is a tetramer Induced fit ensures oxaloacetate binds before acetyl CoA 3 molecules of oxaloacetate bind for every 1 molecule of acetyl CoA Citrate inhibits the reaction Which of the following catalyzes a step that does NOT produce CO2? Group of answer choices alpha-ketoglutarate dehydrogenase complex malate dehydrogenase pyruvate dehydrogenase complex isocitrate dehydrogenase Citrate synthase is regulated by... Group of answer choices Concentrations of substrate and products Fructose-2,6-Bisphosphate Covalent modification Allosteric regulation by the levels of NADDH
What is the rate-limiting step in the synthesis of acetyl CoA? oxidation regeneration of lipoamide decarboxylation transfer to lipoamide transfer to CoA
B-oxidation of a 15:0 fatty acid will result in the production of O 7 acetyl CoA, 7 FADH2, and 7 NADH O 7 acetyl CoA, 1 propionyl CoA, 8 FADH2, and 8 NADH 6 acetyl CoA, 1 propionyl CoA, 7 FADH2, and 7 NADH 6 acetyl CoA, 1 propionyl CoA, 6 FADH2, and 6 NADH
How many tritium atoms (3H) are incorporated into myristate when fatty acid synthesis is carried out in vitro with the following labeled substrate?
Show the structure of each intermediate in the conversion of b-hydroxybutyryl-ACP to butyryl-ACP by the fatty acid synthetase complex. Show where cofactors participate. In your first intermediate, circle the carbon atoms derived from malonyl-CoA.
Arrange the steps of breakdown of oleic acid (pictured below) in the correct order. 1 2 3 4 5 activation by acyl-CoAsynthe ✓ [Choose ] one cycle ofß-oxidationbeginning at the enoyl-CoAhydratasestep three cycles ofẞ-oxidation five cycles ofß-oxidation activation by acyl-CoAsynthetase enoyl-CoAisomeraseactivity enoyl-CoAisomeraseactivity V one cycle ofß-oxidationbegini V five cycles ofß-oxidation OH
Draw the product of the reaction of acetyl CoA with CO2 catalyzed by acetyl CoA carboxylase in the first committed step of fatty acid synthesis. Provide the structure in the protonation state found in physiological conditions. Drawing SCOA Q acetyl-COA carboxylase biotin cofactor HCO3, ATP ADP, Pi, H*