The TCA cycle generates all of the following from each acetyl-CoA molecule oxidized except three NADH...
The TCA cycle generates all of the following from each acetyl-CoA molecule oxidized except
three NADH molecules.
two ATP or GTP molecules.
two CO2 molecules.
one FADH2 molecule.
Homework Answers
The citric acid cycle (CAC) accepts the 2-carbon acetyl-coenzyme A (CoA) molecule and oxidizes it completely to CO2 and H2O. Energy is obtained in three forms: nicotine adenine dinucleotide (NADH), flavine adenine dinucleotide (FADH2), and guanosine triphosphate (GTP).
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The TCA cycle generates all of the following from each
acetyl-CoA molecule oxidized except
three NADH...
Which of the following is not a net product of the citric acid cycle for each...
Which of the following is not a net product of the citric acid cycle for each molecule of pyruvate generated in glycolysis? Select one: a. 1 ATP (GTP) b. 1 acetyl coA c. 3 NADH d. 1 FADH2 Question 2 Which of the following is NOT an end product for an acetyl group that enters the citric acid cycle? Select one: a. ATP b. NADH c. FADH2 d. oxaloacetate Question 3 Once they have been processed through the citric acid...
In glycolysis, one glucose molecule yields pyruvates, ATP and NADH. Depending on the system used to...
In glycolysis, one glucose molecule yields pyruvates, ATP and NADH. Depending on the system used to shuttle the electrons from NADH into mitochondria, these NADH become NADH or FADH2. Converting the pyruvate(s) into acetyl-CoA's produces 2 NADH. One pyruvate/Two pyruvates pass(es) through the citric acid cycle starting with acetyl-CoA produces GTP, FADH2, and NADH. In the electron transport chain, each FADH2 generates ATP and each NADH ATP.
When acetyl-CoA is fed into the TCA cycle, it eventually forms carbon dioxide. The energy released...
When acetyl-CoA is fed into the TCA cycle, it eventually forms carbon dioxide. The energy released from this oxidation is conserved in the form of (select all that apply): FADH2 Water GTP Protons NADH
The common molecule produced from all foods at the second stage of catabolism is A) ADP. B acetyl...
just checking my answers, except for number 10.
The common molecule produced from all foods at the second stage of catabolism is A) ADP. B acetyl-CoA. C) glucose. D) citric acid. Which group of compounds includes only low-energy molecules? 1. 2. Hih A)ATP; acetyl-CoA; NADH; FADH2 C) ADP: CO2; NADH; FADH2 DONO BADP: acetyl-CoA; NAD+:FAD-mau ADP: CO2: NAD+, FAD After O2 has been reduced in the electron transport chain, the oxygen atoms are part of what molecules? A) ATP 3....
helppp!! true or false 15. The oxidation of pyruvate to acetyl-CoA generates 1 ATP, 1 NADH...
helppp!! true or false 15. The oxidation of pyruvate to acetyl-CoA generates 1 ATP, 1 NADH and 1 CO2 per molecule 16. Two molecules of ATP and two NADH are produced in the molecule. alcoholic fermentation process. 17. Lactic fermentation can generate CO2 18. Lipases are enzymes that help to break down the glycerol of the fatty acids in DHAP 19. The molecules DHAP and G3P are isomers. 20. Proteins can be used as fuel for cellular respiration and their...
b. Demonstrate the total energy yield in terms of ATP equivalents for the complete catabom acetyl...
b. Demonstrate the total energy yield in terms of ATP equivalents for the complete catabom acetyl CoA molecule. Enzyme name ATP or GTP from NADH FADH2 ATP substrate-level equivalents phosphorylation TOTAL [2 marks] c. Explain why the TCA cycle is important for both anabolism and catabolism (amphibolic reactions). [2 marks]
A fatty acid composed of 20 carbon atoms undergoes β‑oxidation. How many acetyl CoA, FADH2, and...
A fatty acid composed of 20 carbon atoms undergoes β‑oxidation. How many acetyl CoA, FADH2, and NADH does β‑oxidation of this fatty acid generate? (answer is 10 acetyl CoA, 9 FADH2, 9 NADH) Calculate the net ATP generated by the β‑oxidation of the 20‑carbon fatty acid. Assume that each FADH2 generates 1.5 ATP and each NADH generates 2.5 ATP. number of ATP molecules: ??????
Choose the Products of the Krebs Cycle. Select one or more: FADH2 ATP CO2 Acetyl COA...
Choose the Products of the Krebs Cycle. Select one or more: FADH2 ATP CO2 Acetyl COA Pyruvic Acid NADH Proton Gradient
A) Acetyl coA is made from pyruvate in the [ Select ] ["mitochondrial matrix", "cytoplasm", "",...
A) Acetyl coA is made from pyruvate in the [ Select ] ["mitochondrial matrix", "cytoplasm", "", ""] by [ Select ] ["pyruvate dehydrogenase", "succinate dehydrogenase"] complex. In this process, the acetyl group is moved between enzymes within the complex by the [ Select ] ["lipoamide", "TPP"] . The [ Select ] ["dihydrolipoyl transacetylase", "pyruvate dehydrogenase component"] is the enzyme in which acetyl coA is actually formed. The [ Select ] ["FADH2", "lipoamide"] in the dihydrolipoyl dehydrogenase donates two electrons to...
acetyl-CoA COA The reactions of the citric acid cycle are shown in the image. As labeled...
acetyl-CoA COA The reactions of the citric acid cycle are shown in the image. As labeled in the diagram, reactions 1, 3, and 4 are regulation points in the citric acid cycle. oxaloacetate citrate synthase citrate NADH +Hi 7 malate dehydrogenase NAD malate aconitase 2 Which molecule inhibits reaction 1? isocitrate 7 fumarase NAD isocitrate dehydrogenase 3 NADH + H+ O citrate O NAD acetyl-CoA + CO2 fumarate C-ketoglutarate FADH succinate O dehydrogenase FAD O-ketoglutarate a dehydrogenase NAD + COA...
In glycolysis, one glucose molecule yields pyruvates, ATP and NADH. Depending on the system used to shuttle the electrons from NADH into mitochondria, these NADH become NADH or FADH2. Converting the pyruvate(s) into acetyl-CoA's produces 2 NADH. One pyruvate/Two pyruvates pass(es) through the citric acid cycle starting with acetyl-CoA produces GTP, FADH2, and NADH. In the electron transport chain, each FADH2 generates ATP and each NADH ATP.
When acetyl-CoA is fed into the TCA cycle, it eventually forms carbon dioxide. The energy released from this oxidation is conserved in the form of (select all that apply): FADH2 Water GTP Protons NADH
just checking my answers, except for number 10.
The common molecule produced from all foods at the second stage of catabolism is A) ADP. B acetyl-CoA. C) glucose. D) citric acid. Which group of compounds includes only low-energy molecules? 1. 2. Hih A)ATP; acetyl-CoA; NADH; FADH2 C) ADP: CO2; NADH; FADH2 DONO BADP: acetyl-CoA; NAD+:FAD-mau ADP: CO2: NAD+, FAD After O2 has been reduced in the electron transport chain, the oxygen atoms are part of what molecules? A) ATP 3....
b. Demonstrate the total energy yield in terms of ATP equivalents for the complete catabom acetyl CoA molecule. Enzyme name ATP or GTP from NADH FADH2 ATP substrate-level equivalents phosphorylation TOTAL [2 marks] c. Explain why the TCA cycle is important for both anabolism and catabolism (amphibolic reactions). [2 marks]
Choose the Products of the Krebs Cycle. Select one or more: FADH2 ATP CO2 Acetyl COA Pyruvic Acid NADH Proton Gradient
acetyl-CoA COA The reactions of the citric acid cycle are shown in the image. As labeled in the diagram, reactions 1, 3, and 4 are regulation points in the citric acid cycle. oxaloacetate citrate synthase citrate NADH +Hi 7 malate dehydrogenase NAD malate aconitase 2 Which molecule inhibits reaction 1? isocitrate 7 fumarase NAD isocitrate dehydrogenase 3 NADH + H+ O citrate O NAD acetyl-CoA + CO2 fumarate C-ketoglutarate FADH succinate O dehydrogenase FAD O-ketoglutarate a dehydrogenase NAD + COA...
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