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 catabolism
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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 catabolism
Step by step
Solved in 4 steps with 2 images
- 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.Both prokaryotic and eukaryotic organisms carry out some form of glycolysis. How does ha fact support or not support the assertion that glycolysis is one of the oldest metabolic pathways?Which of the following electron-transport chain complexes is also a member of the citric acid cycle? a. Complex I b. Complex II c. Complex III d. Complex IV
- Which of these is not true of the citric acid cycle?a. The citric acid cycle includes the prep reaction.b. The citric acid cycle produces ATP by substrate-level ATPsynthesis.c. The citric acid cycle occurs in the mitochondria.d. The citric acid cycle produces two ATP per glucose molecule.The final outputs of the citric acid cycle include all of the following except what molecule? a. CO2 b. ATP c. Oxaloacetate d. FADH2 e. NADPIf glucose labeled with radioactive 14C carbon-1 goes through glycolysis and one turn of the citric acid cycle which carbon(s) in oxaloacetate will be radioactively labeled?C1C2C3C4None of oxaloacetate carbons will be labeled
- The citric acid cycle is frequently described as the major pathway of aerobic catabolism, which means that it is an oxygen-dependent degradative process. However, none of the reactions of the cycle directly involve oxygen as a reactant. Why is the pathway oxygen dependent?Describe the movement of energy during acetyl–CoA formationand the citric acid cycle.Describe the overall outcome of the citric acid cycle and oxidative phosphorylation in terms of the products of each
- Beta oxidation generates substrates for cellular respiration through which of the following processes? a. catabolism of proteins b. catabolism of fatty acids c. catabolism of glycogen d. catabolism of glucoseWhich of these is NOT true of the citric acid cycle? O The citric acid cycle occurs in the mitochondria. The citric acid cycle produces ATP via oxidative phosphorylation. The citric acid cycle produces two ATP per glucose molecule. The citric acid cycle uses both NAD+ and FADH as electron carriers.What would be a likely consequence if step 4 of the citric acid cycle no longer operated far from equilibrium, and instead occurred near equilibrium? the step would need to be coupled to ATP hydrolysis none of these possibilities are likely this step would no longer be a highly regulated step the reaction would no longer occur
