A diagram of the reactions of the first round of fatty acid synthesis (lipogenesis) is shown.How many cycles of the synthesis pathway are needed to produce lauric acid, C11H23COOH?||CH3 C S KSO-C-CH₂-C-SACPacetyl-ACPmalonyl-ACPCO₂||CH3 C-CH₂-C-SACP||NADPH + H+NADP+OH요CH3 CH-CH₂-C-SACPdordH₂OCH3CH=CH-C-SACPdNADPH + H+NADP+CH3CH₂CH2 C-SACPnumber of cycles:

The production of fatty acids from acetyl-coenzyme A (acetyl-CoA) subunits (non-lipid precursor) and…

Answered: How many cycles of the synthesis…

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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What is the final reaction in the final round of fatty acid synthase? Acetyl-CoA ACP Transacylase Beta-Ketoacyl- ACP Synthase Beta-Ketoacyl- ACP Dehydrase Palmitoyl thioesterase Malonyl-CoA ACP Transacylase Enoyl-ACP Reductase
Which of the following statements is TRUE about fatty acid biosynthesis? Group of answer choices: NADH is used as the reducing equivalent in the process. Malonyl ACP is the donor of the acetyl group. The product detaches from the fatty acid synthase complex when the chain length is usually 18 carbons. Oxaloacetate carries acetyl CoA to the cytosol.
The following link carbohydrate metabolism with lipid biosynthesis: (a) How many molecules of glucose are required to provide the carbon for synthesis of one molecule of palmitate? (b) How many molecules of glucose are required if all of the glucose first proceeds through the pentose phosphate pathway before proceeding through the rest of glycolysis on its way to pyruvate?
If the w-carbon atom of a fatty acyl CoA molecule with a C18 chain is labeled with C14, how many rounds of β-oxidation are required to produce a radioactively labeled acetyl CoA? a. four b. five c. six d. seven e. eight f. nine
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?
If a fatty acid containing 13 carbons is subjected to Beta oxidation, how many molecules of Acetyl CoA can be produced?
If the w-carbon atom of a fatty acyl CoA molecule with a C12 chain is labeled with C14, how manyrounds of β-oxidation are required to produce a radioactively labeled acetyl CoA? one two four five How many molecules of glucose are required to provide the carbon for the synthesis of onemolecule of tripalmitoylglycerol? 4.5 8.5 10.5 12.5 Need more information
Which of the following reactions correspond to the decarboxylation step during ketone body formation? A. 2 acetyl-CoA → acetoacetyl-CoA B. ß-hydroxybutarate → acetoacetate C. Acetoacetate → acetone D. HMG-CoA → mevalonate
All of the following classes of enzymes catalyze the Fatty acid synthesis except a. synthetase b. Synthase c. Carboxylase d. Dehydrgen
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
What enzyme will not be used if the oxidative portion of the pentose phosphate pathway is operating to produce ribose 5-phosphate? Ribulose 5-phosphate isomerase 6-phosphoglucono-lactonase 6-phosphogluconate dehydrogenase Transaldolase
How many molecules of acetyl-CoA are produced by catabolism of the following fatty acids, and how many b oxidations are needed?(a) Palmitic acid, CH3(CH2)14COOH(b) Lignoceric acid, CH3(CH2)22COOH

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How many cycles of the synthesis pathway are needed to produce lauric acid, C₁1H23COOH? || acetyl-ACP CH3 CO₂