Which of the following is the correct account for acetyl CoA, NADH , and FADH2 for the beta-oxidation of stearic acid (saturated fatty acid with 18 carbon atoms)? -9;8;5 -9;8;8 -18;9;9 -18;18;18 -9;9;9
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Which of the following is the correct account for acetyl CoA, NADH , and FADH2 for the beta-oxidation of stearic acid (saturated fatty acid with 18 carbon atoms)?
-9;8;5
-9;8;8
-18;9;9
-18;18;18
-9;9;9
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- 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)22COOHWhich of the following is true regarding the oxidation of 1 molecule of palmitate to 8 molecules of acetyl CoA by the beta-oxidation pathway? 7 molecules of FADH2 are formed None of the above 8 molecules of FADH2 are formed 8 molecules of NADH are formed BOTH 8 molecules of NADH are formed AND 8 molecules of FADH2 are formedIf 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 is the chemical end product of fatty-acids metabolized in the beta-oxidation pathway? Select one: a. Beta-carotine b. Free-radicals c. Lactic acid d. Acetyl-CoA e. PyruvateHow many molecules of acetyl CoA, FADH2, and NADH are produced in the catabolism of a molecule of arachidonic acid, an 20-carbon carboxylic acid? How many times does the spiral reaction sequence occurIf 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
- Starting with acetyl-S-enzyme-1 and malonyl-CoA, how many molecules of acetyl- CoA are needed to synthesize an 18-carbon fatty acid (C18:0)? How many molecules of CO2 are released in this process?Which of the following statements is falseconcerning acetyl CoA carboxylase (ACC)? ACC is more active when protomers condense to form polymers Palmitoyl CoA serves as a feedback inhibitor The source of carbons for ACC comes from the carbon skeletons of malate that is exported from the matrix of the mitochondria in the form of malate Binding of glucagon triggers cAMP production, which leads to inhibition of ACCTwo carbon atoms are fed into the citric acid cycle as acetyl-CoA. In what form are two carbon atoms removed from the cycle?
- In the first step of the TCA cycle the acetyl group of acetyl-CoA is transferred to oxaloacetate to produce citrate. Where will the carbonyl carbon of that acetyl group be after the first CO2 is expelled? Group of answer choices The first carbon of α-ketoglutarate The last carbon of α-ketoglutarate The fourth carbon of α-ketoglutarate The third carbon of α-ketoglutarateAssume that the following fatty acid is synthesized from acetyl-CoA in the cytosol by fatty acidsynthase. Which of the following statements is true? The last two carbon atoms that are added to the fatty acid are carbon atoms #15 and #16 Synthesis of the fatty acid needs 8 molecules of NADPH + H+ Both A and B Neither A nor BWhat is the "cost" of synthesizing saturated fatty acid containing 12 carbons from acetyl-CoA in the cytosol in terms of high-energy molecules consumed? # of ATP=? # of NADPH =? # of Malonyl-CoA =? # of Acetyl-CoA = ?