Q: If Acetyl CoA is converted to a ketone, it is likely that which of the following is undergoing…
A: more then one option is correct. Correct answer are oxaloacetate and fatty acids. Incorrect one are…
Q: The following reaction is a vitamin B12-dependent reaction that proceeds via a mechanism analogous…
A: Methylmalonyl-CoA mutase is encoded by gene MUT, it is a vitamin B12 dependent enzyme that catalyzes…
Q: Which of the following metabolic processes directly involve Acetyl Coa (both as an immediate…
A: Acetyl CoA is intermediate and a product of many metabolic pathways. Acetyl CoA is directly involved…
Q: Which of the following is an inhibitor of gluconeogenesis? citrate O ADP O acetyl COA ATP
A: Gluconeogenesis is a metabolic pathway which participates in the synthesis of glucose. Through this…
Q: The energy yield for acetyl CoA in the fatty acid oxidation of a 16 carbon chain (16:0) is…
A: Fatty acid metabolism includes Fatty acid biosynthesis (an anabolic process) and β- oxidation of…
Q: If metabolites from fats, amino acids and lactate are to be converted to glucose, which of the…
A: Fats or fatty acids are oxidized through the process of beta-oxidation in the mitochondrial matrix.…
Q: Which of the following is NOT part of the multi-enzyme complex of fatty acid synthase? O enoyl-ACP…
A: Fatty acid synthase is a multi-enzyme protein that catalyzes Fatty acid synthesis. Its main function…
Q: In beta-oxidation, which cofactor is required the for second oxidation reaction (conversion of…
A: Fatty acid β-oxidation is the metabolic process by which fatty acids are broken down to produce…
Q: The conversion of pyruvate into acetyl CoA consists of three steps. Identify these three steps and…
A: The pyruvate dehydrogenase complex (PDHC) is an enzyme complex composed of 3 enzymes.Pyruvate…
Q: Enzyme involved in the synthesis of the compound forming bile salts and stero hormones Acetyl CoA…
A: The 7α-hydroxylase cholesterol (CYP 7A1) is the key enzyme in the catabolic pathway that determines…
Q: What is the rate-limiting step in the synthesis of acetyl CoA? oxidation regeneration of…
A: The first step in Krebs cycle requires Acetyl CoA and Oxaloacetate to form Citrate. But how is the…
Q: Which of the following is true regarding the oxidation of 1 molecule of palmitate to 8 molecules of…
A: The correct answer is: None of the above. The beta-oxidation pathway is the process by which fatty…
Q: Which of the following statements is TRUE about cholesterol biosynthesis? O NADH is needed to form…
A: Introduction: Cholesterol is a fatty substance (lipid) that is essential to a healthy life and it…
Q: Which of the following statements is TRUE about fatty acid biosynthesis? Citrate carries malonyl CoA…
A: Triacylglycerol are the triesters of glycerol and fatty acids. Each molecule of glycerol is bonded…
Q: Which of the following statements is TRUE about fatty acid biosynthesis? Group of answer choices:…
A: Animals can obtain fatty acids from the diet and from de novo synthesis inside the cells. During…
Q: Acetyl CoA reacts with what molecule in which pathway to become citrate? O glycolysis, Malate krebs…
A:
Q: The conversion of pyruvate to Acetyl-CoA involves an oxidative decarboxylation. Correct the path of…
A: The conversion of pyruvate to acetylCoA is catalysed by the enzyme pyruvate dehydrogenase…
Q: Which one of the following pairs of compounds are joined together to conserve carbon in the…
A: Bacteria and plants subsist on acetate yielding acetyl CoA. They use a metabolic pathway absent in…
Q: Choose all of the molecules that are made in acetyl-CoA formation and the citric acid cycle that are…
A: Introduction The Krebs cycle, often referred to as the TCA cycle (tricarboxylic acid cycle), and…
Q: The carboxylation of acetyl CoA to synthesize malonyl CoA by acetyl CoA carboxylase requires…
A: One of the B vitamins is biotin, sometimes referred to as vitamin H or B7. Both in humans and other…
Q: What are these ketone bodies? How are they used to make energy?
A: The metabolism of fat or fatty acids in the mitochondria is called beta-oxidation, which is a…
Q: Which enzyme is used for both the synthesis and breakdown of acetoacetate? thiolase O HMG-CoA…
A: Proteins that catalyse chemical reactions in living organisms are known as enzymes. They function as…
Q: What molecule forms when Acetyl-CoA enters the Krebs cycle? ATP pyruvic acid…
A: Krebs cycle also known as citric acid cycle was discovered by Sir Hans krebs in the year 1937. In…
Q: The structure of citrate is shown above with the carbon atoms numbered 1 through 6. If carbon atoms…
A: Krebs cycle is also known as Tricarboxylic acid cycle or Citric acid cycle. It takes place in the…
Q: A buildup in the levels of acety-CoA would result in the inhibition of what reaction in…
A: Fatty acid β-oxidation is the process of breaking down a long-chain acyl-CoA molecule to acetyl-CoA.…
Q: Which of the following events does not occur during Krebs Cycle? Citrate synthase catalyzers the…
A: Statements related to Krebs cycle events are given.
Q: Which of the following statements is TRUE about cholesterol biosynthesis? NADPH is needed to form…
A: Cholesterol is a type of lipid or sterol. Cholesterol is an important constituent of the plasma…
Q: What is the final reaction in the final round of fatty acid synthase? Acetyl-CoA ACP Transacylase…
A: The question is asking about the final reaction in the process of fatty acid synthesis. Fatty acid…
Q: Which enzyme involved in the breakdown of fatty acids requires activated vitamin B₁2? O…
A: Vitamin B12 is a water soluble vitamin also known as cobalamin. Vitamin in necessary for the…
Q: Before a fatty acid can undergo B-oxidation it must be:
A: Beta-Oxidation: Beta-oxidation is a catabolic process in which fatty acid molecules are broken down…
Q: What is incorrect in the diagram shown below? Halla COA Thiolysis H₂C CoA + Acetyl CoA عمله H₂C COA…
A: The beta-oxidation cycle is generally composed of 4 steps. The fourth and final step of the cycle is…
Q: Which of the following is an important enzyme involved in the synthesis of cholesterol from isoprene…
A: Acetyl-CoA Formation: Cholesterol synthesis begins with the conversion of acetyl-CoA, a two-carbon…
Q: Which of the following statements is TRUE about cholesterol biosynthesis? Group of answer choices…
A: Cholesterol biosynthesis pathway involves the conversion of the Acetyl CoA to the Acetoacetyl CoA…
Q: 16 C Fatty acyl CoA + 7 FAD + 7 NAD+ + 7 COA → 8 acetyl CoA + 7 FADH₂ + 7 NADH + 7 H* This is the…
A: Fatty acids are an important source of energy that are utilised for energy generation at the time of…
Q: Which enzyme in ß-oxidation extracts two electrons from the fatty acid, resulting in the eventual…
A: Beta-oxidation is a metabolic process that is responsible for breaking down fatty acids into…
Q: Although glucose cannot be formed from acetyl-CoA, triglycerides can enter the glycolytic pathway…
A: Introduction Fats (or triglycerides) are ingested as food or synthesised by adipocytes or…
Q: Which of the following doesn’t occur in the transition reaction? Pyruvic acid is oxidized Pyruvic…
A: First, a carboxyl group of each pyruvate is removed as carbon dioxide, and then the remaining…
Q: If you added an inhibitor of succinyl CoA synthetase to a cell actively undergoing the citric acid…
A: Succinyl CoA synthetase, a pivotal enzyme in the citric acid cycle (or Krebs cycle), facilitates the…
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- Complete oxidation of a 16-carbon fatty acid can yield 129 molecules of ATP Study Figure 19.2 and determine how many ATP molecules would be generated if a 16-carbon fatly acid were metabolized solely by the TCA cycle, in the form of S acetyl-CoA molecules.In beta-oxidation, which cofactor is required the for second oxidation reaction (conversion of beta-hydroxyacyl-CoA to beta-ketoacyl-CoA)? NAD+ water FAD CoA-SHWhich of the following is an important enzyme involved in the synthesis of cholesterol from isoprene pyrophosphate? thiolase pyruvate decarboxylase pyruvate dehydrogenase HMG-CoA reductase glucose oxidase
- Which of the following doesn’t occur in the transition reaction? Pyruvic acid is oxidized Pyruvic acid is decarboxylated Pyruvic acid is reduced Acetic acid attaches to coenzyme A to form Acetyl CoAWhich of the following statements is TRUE about fatty acid biosynthesis? Citrate carries malonyl CoA to the cytosol. O Acetyl ACP is the donor of the acetyl group. O NADPH is used as the reducing equivalent in the process. O The product detaches from the fatty acid synthase complex when the chain length is usually 18 carbons.Which of the following metabolic processes directly involve Acetyl Coa (both as an immediate reactant or a product)? (Select all that apply) PDH Gluconeogenesis Electron Transport Chain Krebs Cycle FA synthesis Glycolysis Pentose Phosphate Pathway FA breakdown
- Which of the following statements is TRUE about cholesterol biosynthesis? O NADH is needed to form mevalonate. O HMG-CoA lyase catalyzes the committed step. Six molecules of isopentyl pyrophosphate condense to form squalene. O Cholesterol is composed of 30 carbon atoms.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 reductaseWhich of the following statements is TRUE about cholesterol biosynthesis? Group of answer choices HMG-CoA lyase catalyzes the committed step. Cholesterol is composed of 30 carbon atoms. NADH is needed to form mevalonate. Six molecules of isopentyl pyrophosphate condense to form squalene.
- Which enzyme involved in the breakdown of fatty acids requires activated vitamin B12? methylmalonyl-CoA mutase O propionyl-CoA carboxylase O acyl-CoA dehydrogenase enoyl-CoA isomeraseThe conversion of pyruvate into acetyl CoA consists of three steps. Identify these three steps and order them from first to last. decarboxylation oxidation acetyl transfer First step Last step Answer Bank reduction condensationWhich of the following is an inhibitor of gluconeogenesis? citrate O ADP O acetyl COA ATP
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