Consider the complete oxidation of one mole of the fatty acyl CoA of capric acid (10:0). Determine the following (Type the numerical value only - e.g. 1): 1. rounds of B-oxidation 2. total no. of acetyl CoA produced 3. total no. of NADH produced from all rounds of B-oxidation 4. total no, of FADH2 produced from all rounds of B-oxidation
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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.Understanding the Mechanism of the HMC-CoA Synthase Reaction Write a suitable mechanism for the HMG-CoA synthase reaction. What is the chemistry that drives this condensation reaction?Study Figure 19.18 and decide which of the following statements is false. Pyruvate dehydrogenase is inhibited by· NIADH. Pyruvate dehydrogenase is inhibited by AΤΡ. Citrate synthase is inhibited by NADH. Succinyl-CoA activates citrate synthase. Acetyl-CoA activates pyruvate carboxylase.
- Consider the complete oxidation of one mole of the fatty acyl CoA of capric acid (10:0). Determine the following: rounds of β-oxidation total no. of acetyl CoA produced total no. of NADH produced from all rounds of β-oxidation total no. of FADH2 produced from all rounds of β-oxidation total no. of NADH produced from the oxidation of all acetyl CoA in the TCA cycle total no. of FADH2 produced from the oxidation of all acetyl CoA in the TCA cycle total ATP yieldConsider the complete oxidation of one mole of arachidic acid (20:0). ___________ a. How many rounds of the β-oxidation pathway will be involved? ___________ b. How many acetyl CoA will be produced? ___________ c. How many NADH will be produced from all the rounds of the β-oxidation pathway? ___________ d. How many ATP will eventually be produced from the complete oxidation of one mole of arachidoyl CoA?Considering the complete oxidation of an 18-C fatty acid. Give the answer to the following question.a. What is the total number of NADH produced in TCA if all of the acetyl CoA enters the cycle? b. What is the total number of FADH2 produced in TCA if all the acetyl CoA enters the cycle?c. How much ATP is produced in the overall oxidation?
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- The synthesis of the activated form of acetate (acetyl-CoA) is carried out in an ATP-dependent process: Acetate + CoA + ATP → acetyl-CoA + AMP + PPi (a) The ∆G’o for the hydrolysis of acetyl-CoA to acetate and CoA is - 32.2 kJ/mol and that for hydrolysis of ATP to AMP and PPi is - 30.5 kJ/mol. Calculate ∆G’o for the ATP-dependent synthesis of acetyl-CoA. (b) Almost all cells contain the enzyme inorganic pyrophosphatase, which catalyzes the hydrolysis of PPi to Pi. What effect does the presence of this enzyme have on the synthesis of acetyl-CoA? Explain.Synthesis of the activated form of acetate (acetyl-CoA) is carried out in an ATP-dependent process:(a) The ΔG′° for hydrolysis of acetyl-CoA to acetate and CoA is −32.2 kJ/mol and that for hydrolysis of ATP to AMP and PPi is −30.5 kJ/mol. Calculate ΔG′° for the ATPdependent synthesis of acetyl-CoA.(b) Almost all cells contain the enzyme inorganic pyrophosphatase, which catalyzes the hydrolysis of PPi to Pi. What effect does the presence of this enzyme have on the synthesis of acetyl-CoA? Explain.Considering the complete oxidation of an 18-C fatty acid. Give the answer for the following question.a. How many rounds of beta-oxidation is needed?b. How many NADH molecules are produced in beta-oxidation only?c. How many FADH2 molecules are produced in beta-oxidation only?d. How many Acetyl Co-A are produced?