Choose any/all that apply to the citric acid cycle.
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Choose any/all that apply to the citric acid cycle.
- One complete turn of the cycle generates three molecules of NADH, one molecule of FADH₂ and two molecules of CO2.
- The rate of the citric acid cycle is increased in the presence of ATP.
- The rate of the citric acid cycle is increased in the presence of cyanide, a potent inhibitor of the electron transport chain.
- The oxidation of acetyl CoA provides the energy-rich electrons that are harvested in the citric acid cycle.
- One complete turn of the cycle results in the consumption of one molecule of oxaloacetate.
- The citric acid cycle requires aerobic conditions even though no O₂ is directly consumed in the reactions of the cycle.
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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.Concerning the citric acid cycle (TCA cycle), which of the following statements is false? The TCA cycle generates electron carriers Oxidation of pyruvate in the matrix of the mitochondria produces sixteen total electrons Substrate level phosphorylation in the TCA cycle produces 2 GTP per the oxidation of a single glucose molecule The fate of the carbonyl carbon of acetyl CoAin the TCA cycle is to be lost as CO2 in the second turn Oxygen is required to regenerate electron acceptorsWhich of the following molecules shown are the reduced products produced in the citric acid cycle whose reduction directly helped drive oxidation? Select all that apply. Ensure you are selecting the product forms of the molecule, which here means the reduced form, and are only considering redox reactions! Do not include the pyruvate processing steps -- just the citric acid cycle itself. A. GDP B. NADH C. FAD D. Acetyl-CoA E. NAD+ F. CoA G. FADH2 H. GTP I. QH2 J. Q
- If you added an inhibitor of succinyl CoA synthetase to a cell actively undergoing the citric acid cycle, which of the following would be a direct and immediate result? O glucose would be produced O high energy triphosphate would not be formed via substrate level phosphorylation the delta G of the reaction would be reduced O CoA would not be added to fumarate Please don't provide handwriting solutionWhich statement does NOT describe a general function of the pentose phosphate pathway? Group of answer choices The pentose phosphate pathway is used to produce NADPH for reductive biosynthesis in adipocytes. The pentose phosphate pathway allows for the entry of dietary pentose intermediates into the glycolytic pathway. The pentose phosphate pathway produces reduced molecules whose electrons may be shuttled to the mitochondria for oxidative phosphorylation. The pentose phosphate pathway allows for the conversion of hexoses into pentoses that may be used as precursors in the synthesis of nucleosides.Taking into consideration glycolysis, the pyruvate dehydrogenase complex and the citric acid cycle, how many substrate level phosphorylation events occur from a single molecule of glucose? 6 substrate level phosphorylation events 4 substrate level phosphorylation events 3 substrate level phosphorylation events 2 substrate level phosphorylation events None of the above answers are correct
- Concerning the citric acid cycle (TCA cycle), which of the following statements is false? a. Substrate level phosphorylation in the TCA cycle produces 2 GTP per the oxidation of a single glucose molecule b. The TCA cycle generates electron carriers c. Oxidation of pyruvate in the matrix of the mitochondria produces sixteen total electrons d. The fate of the carbonyl carbon of acetyl CoAin the TCA cycle is to be lost as CO2 in the second turn e. Radiolabeling of the methyl carbon of pyruvate in the TCA cycle shows the carbon signal to split through successive turnsFill in the blanks with the numerical answer only: Number of electrons generated in oxidation of 1 glucose to 2 pyrvuate in glycolysis. Number of electrons generated in the oxidation of 2 pyruvate by pyruvate dehydrogenase complex. Number of electrons generated for complex II in oxidation of 2 acetyl CoA via the TCA Cycle.The completion of one cycle of the citric acid cycle oxidizing one acetyl CoA results in net... Group of answer choices 2 ATP produced consumption of 1 molecule of citrate consumption of 1 molecule of oxaloacetate production of 2 CO2 Which of the following is not a component of the citric acid cycle? Group of answer choices Oxaloacetate Succinyl CoA Malate Pyruvate Which of the following enzymes catalyzes an anaplerotic reaction? Group of answer choices citrate synthase pyruvate dehydrogenase complex malate dehydrogenase pyruvate carboxylase
- Taking into consideration glycolysis, the pyruvate dehydrogenase complex and the citric acid cycle, how many NAD+ molecules are reduced from a single molecule of dihydroxyacetone phosphate? 4 NAD+ are reduced 5 NAD+ are reduced 8 NAD+ are reduced 10 NAD+ are reduced None of the above answers are correctWhich of the following statements is true about the citric acid cycle a. The Citric Acid Cycle is an 8-step cycle that produces the most electron carrier molecules throughout the process of cellular respiration. b. In Citric Acid Cycle, both the acetyl group and coenzyme A of Acetyl CoA are combined to oxaloacetate. c. In Citric Acid Cycle, glucose is only partially broken down and there are still remnants of glucose after this process. d. The ATP produced during this process is via oxidative phosphorylationGlucose is a ___-carbon molecule. During glycolysis, glucose is phosphorylated and then an isomerization reaction produces fructose 6-phosphate, which is a ___ -carbon molecule. The net result of glycolysis (per glucose) is production of 2 pyruvate, which each contain ______ carbons. _________carbons from 1 pyruvate can enter the citric acid cycle as acetyl CoA. The acetyl group is combined with the______ carbons of oxaloacetate in a condensation reactions that produces citrate, a ______ -carbon molecule. Citrate is converted to isocitrate______ carbons, alpha-ketoglutarate ( _____carbons), succinyl CoA, and then succinate ( _______carbons) before several additional steps act to regenerate oxaloacetate.