I A. What does the citric acid cycle do? It finishes the sugar-breaking job started in glycolysis and fuels the production of ATP in the process. 3. The intermediate between citrate and isocitrate is _____. Step 1: C-C bond formation between acetate (2C) and oxaloacetate (4C) to make citrate (6C) Site of Reaction: Mitochondrial matrix in Eukaryotes Cytoplasm in Prokaryotes. Which of the following coenzymes is required by the pyruvate dehydrogenase complex for reoxidation of E3? The citric acid cycle, also known as the tricarboxylic acid (TCA) cycle or the Krebs cycle, is a cyclic set of reactions that occurs in the mitochondrial matrix. 48. All enzymes are present in mitochondrial matrix except succinate dehydrogenase which is bound to inner … A) The reaction catalyzed by isocitrate dehydrogenase. 6. The function of the citric acid cycle is to A) remove hydrogen atoms from organic molecules and transfer them to coenzymes. Which reaction below produces GTP in the citric acid cycle? 15. https://quizlet.com/292416918/chapter-17-citric-acid-cycle-flash-cards Oxidative … 10. Which of the following would be TRUE regarding this shortage? The six carbon compound formed (citrate) undergoes two oxidative decarboxylations generating two molecules of CO2. A) elevated concentrations of NADH and ATP. 43. Some intermediate steps of the cycle are slightly different from the citric acid cycle; nevertheless oxaloacetate has the same function in both processes. NDSU VCell Production's animation "The Citric Acid Cycle: An Overview". The citric acid cycle begins by acetyl-CoA (2 carbons) combining with oxaloacetate (4 carbons) to form citrate (aka citric acid, 6 carbons). C) The concentration of malate must be higher than oxaloacetate for this reaction to occur in the cell. What is a key function of the citric acid cycle? The compound ______ is a structural analog and competitive inhibitor of the enzyme succinate dehydrogenase. The citric acid cycle, also known as the Krebs cycle or the tricarboxylic acid cycle, is at the center of cellular metabolism, playing a starring role in both the process of energy production and biosynthesis. 5. ______ is the first compound that is oxidized in the citric acid cycle. Krebs / citric acid cycle. Which of the following enzymes catalyzes a reaction with the pictured compound as an intermediate? Figure 7.9 In the citric acid cycle, the acetyl group from acetyl CoA is attached to a four-carbon oxaloacetate molecule to form a six-carbon citrate molecule. Citric acid cycle or Kreb's cycle is a metabolic cycle in which acetyl coenzyme A is metabolized in presence of oxidising agents to release molecular carbon dioxide abd by-view the full answer This cycle is also termed tricarboxylic acid (TCA) because it was then not certain whether citric acid or some other tricarboxylic acid (g., isocitric acid) was the first product of the cycle. D) produce carbon dioxide to balance the oxygen requirement for cellular respiration. Which of the following amino acid residues facilitates the transfer of a phosphate group in the reaction producing succinate and GTP? Key Concepts: Terms in this set (13) oxidize the acetyl fragmnent of Acetyl CoA to CO2. What happens in the first stage of the citric acid cycle? 29. In the first step of the cycle, acetyl 30. The enzyme ______ is unique because it contains an ironsulfur cluster but does not participate in a redox reaction. ART FOR SCIENCE / Getty Images. citrate synthase catalyzes the condensation of acetyl CoA and oxaloacetate to form acetate. 49. The cycle includes eight major steps. B) remove hydrogen atoms from organic molecules and transfer them to coenzymes. E. Produce CO2 19. What is the prosthetic group and the reaction … Step 1. 12. 16. oxidize the acetyl fragmnent of Acetyl CoA to CO2, harvest high-energy electrons in the form of NADH and FADH2 from carbon fuels. Created by. Electron transport chain. 42. Figure 6.251 The citric acid cycle 1. The figure at right represents an intermediate in the reaction catalyzed by which of the following enzymes? alpha-ketoglutarate dehydrogenase complex causes the oxidative decarboxylation of alpha-ketoglutarate to succinyl Coenzyme A, NADH is generated. 39. Which of the following organisms does not utilize the glyxolate cycle? This results in the production of a 6-carbon citrate molecule. Another carbon is given off as CO 2 to form succinyl … Condensation of ____ with oxaloacetate yield citrate. Note that the citric acid cycle itself neither generates a large amount of ATP nor includes oxygen as a reactant (Figure 17.3). The function of the citric acid cycle is to _____ high-energy electrons. 26. 1. The Krebs cycle, Citric acid cycle or TCA cycle is an eight step cyclic reactions in which acetyl CoA is oxidized producing CO2, reduced coenzymes (NADH + H+ and FADH2), and ATP. The primary function of the glyoxylate cycle is a variant of the citric acid below GTP... Electrons from carbon fuels down food molecules into smaller components so they can be oxidized carbons introduced into the by. Is a variant of the following represents a molecule that is oxidized, releasing two carbon dioxide to the... Four carbon compound formed ( citrate ) undergoes two oxidative decarboxylations generating two molecules are,... 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