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 acceptors

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 acceptors

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter2: Cell Physiology

Section: Chapter Questions

Problem 10RE: Using the answer code on the right, indicate which form of energy production is being described: 1....

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The primary purpose of the aconitase step in Citric Acid Cycle is to: form the intermediate aconitate prepare the citrate molecule for oxidative decarboxylation act as a commitment and regulatory step produce isocitrate
The Citric Acid Cycle results in (Choose all that apply) net oxidation of acetyl CoA carbons to two CO2 O three NAD to NADH reductions involving 6 electrons one FADH2 to FAD oxidation involving 2 electrons three NADH to NAD oxidations involving 6 electrons O one FAD to FADH, reduction involving 2 electrons O a substrate level phosphorylation
in the mitochondria pyruvate is converted into acetyl CoA so then acetyl CoA make its way to the TCA cycle and produces energy sources for oxidative phosphorylation. Pyruvate oxidation transforms pyruvate, a three-carbon molecule, into acetyl, a two-carbon molecule linked to Coenzyme A, generating NADH and releasing one carbon dioxide molecule in process the citric acid cycle is fundamental because runs on acetyl CoA as its fuel. i need more explanantion
Each acetyl CoA that enters in the citric acid cycle, 2 carbon dioxide molecules are released in reactions which are coupled with the production of NADH molecules from reduction of NAD+ molecules and FADH2 is alse released by reduction of FAD+. NADH and FADH2, pass their electrons to the electron transport chain, turning back into NAD+ and FAD+ Explain further
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 turns
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
1 2 points Order the following TCA cycle metabolites in the order they are produced in one turn of the citric acid cycle. Not all answers will be used. 2 1 4 3 TI Isocitrate Citrate Lactate Pyruvate Oxaloacetate Isocitrate Succinyl-CoA Aconitate 3-Phosphoglycerate -DO
If 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
In the citric acid cycle, the coenzyme NAD is required for which of the following reactions (Choose all that apply) O hydration of fumarate to malate O isomerization of citrate to isocitrate O oxidation of succinate to fumarate. O oxidation of isocitrate to the oxalosuccinate intermediate to permit beta decarboxylation of isocitrate to alpha-ketoglutarate condensation of acetyl-CoA and oxaloacetate to form citrate oxidation of malate to oxaloacetate decarboxylation of alpha-ketoglutarte to succinyl CoA O conversion of succinyl-CoA to succinate
Which of the three common metabolic pathways for pyruvate is compatible with each of the following characterizations concerning the reactions that pyruvate undergoes CO2 is not a product of this pathway C3 molecule is a product of for this pathway NAD is needed as an oxidizing agent for this pathway C2 molecule is a product under anaerobic reaction conditions for this pathway Acetaldehyde is an intermediate in this pathway.
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.