citric acid cycle
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. Describe the reaction steps of the citric acid cycle with a focus on their control. In addition
discuss the energy provided to a living cell from the
the citric acid cycle
Step by step
Solved in 3 steps
- Before pyruvate enters the citric acid cycle, it is decarboxylated, oxidized, and combined with coenzyme A, forming acetyl CoA, carbon dioxide, and one molecule of (a) NADH (b) FADH2 (c) ATP (d) ADP (e) C6H12O6Study 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.Calculate the amount of ATPthat can be produced fromone molecule of 8:0 fatty acid metabolized aerobicallythrough ß-oxidation cycle and the citric acid cycle.
- Calculate the net ATP yield from the complete processing of a saturated fatty acid containing 17 carbons. Consider the b-oxidation steps, processing of acetyl-CoA through the citric acid cycle, and electron transportDescribe the movement of energy during acetyl–CoA formationand the citric acid cycle.Calculate the total ATP produced in the metabolic pathway of fatty acids from β-oxidation, down to oxidative phosphorylation for 30-carbon fatty acyl-CoA. Indicate the number of acetyl-CoA, ATP, NADH, and FADH2 produced in each stage.
- A) Consider what would happen if you added any of the citric acid cycle intermediiates: would the rates of ATP produce increase or decrease? What about CO2 production rates? B)What if pyruvate oxidation was blocked? What would you expect to happen to the levels of oxaloacetate and citric acid when looking at the citric and cycleCalculate the net number of ATPs produced when one 10-carbon fatty acid is activated, enters the mitochondrion, and undergoes complete � oxidation to produce acetyl-CoA and reduced coenzymes.A. Identify different types of organic reaction mechanims in the following metabolic pathways.4. Conversion of Pyruvate to Acetyl CoA5.Citric acid cycle6. Gluconeogensis pathway (pyruvate to glucose) B. Identify at most 5 organic reactions for each metabolic pathway.
- Q How much more ATP is possible from aerobicallyrespiring glucose instead of fermenting it to lactate?Why is this so? Does the citric acid cycle only have acatabolic function?Explain in complete manner why these 3 became the major pathway that eventually become the entry points for molecules into the Citric Acid Cycle: Glycolysis Oxidation of fatty acid Protein catabolismFatty acids are oxidized by acyl COA dehydrogenase. Branched fatty acids, containing a methyl group at beta carbons cannot be oxidized by this enzyme. How does the oxidation of such branched fatty acids take place? Explain with all set of reactions and enzymes involved.. give necessary detail.. avoid cpy righting
