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Tricarboxylic acid cycle.
is a series of enzymatic reactions.
Composed of a cyclic reaction system.
In this reaction, acetyl-CoA is first used
c) condensation with oxaloacetic acid (OAA) (C) to form citric acid containing 3 carboxyl groups.
c), after 4 times of dehydrogenation (3 molecules of Nadh + H+ and 1 molecule of FADH), 1 time of substrate level phosphorylation, and finally 2 molecules of CO, and the cycle reaction process of oxaloacetic acid is regenerated.
Taking 1 molecule of acetyl-CoA as the starting point, a tricarboxylic acid cycle is completed to generate 3 molecules of NADH, 1 molecule of FADH2 and 1 molecule of GTP (equivalent to ATP), and each molecule of NADH generates the molecule ATP and FADH2 in the subsequent electron transport to generate 15 molecules ATP.
Therefore, the number of ATPs generated in a cycle is:
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<>1 molecule acetyl-CoA is cycled through tricarboxylic acids.
1 molecule can be generated, GTP can be converted into ATP, a total of 4 dehydrogenation, 3 molecules of NADH, H and 1 molecule of FADH. When water is generated by oxidation of the respiratory chain, the former can generate 3 molecules of ATP per pair of electrons, and 3 pairs of electrons can generate 9 molecules of ATP. The latter produces 2 molecules of ATP. Thus, 12 molecules of ATP can be produced per molecule of acetyl-CoA through the tricarboxylic acid cycle of bent ante.
If from pyruvate.
Starting with the calculation, 1 molecule of pyruvate produces 15 molecules of glucose.
2 molecules of propylosamic ketoic acid can be produced, therefore, prokaryotic cells are glycolyzed per molecule of glucose.
The three stages of tricarboxylic acid cycle and oxidative phosphorylation co-cluster fiber production of 38 ATP molecules.
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A-ketoglutarate, succinic acid, coa, succinic acid, fumarate, malic acid, oxaloacetic acid.
a Ketoglutarate produces CO2,2HSuccinic acid produces 2h+Malic acid produces 2H+ oxaloacetic acid, citric acid, isocitrate, oxalosuccinic acid, high tartaric acid, ketoglutarate.
Total Kreboxylic Acid Cycle Reaction:
AcetylCoA+3NAD++FAD+GDP+PI— 2CO2+3NADH+FADH2+GTP(ATP)+2H+ +Coa-SH
In addition, pyruvate oxidative decarboxylation forms a molecule of NADH, so a total of 4 NADH, 1 FADH2 and 1 GTP (ATP) are produced
A molecule of NADH is oxidized by the electron transport chain to form the molecule ATP; A molecule of FADH2 is oxidized by the electron transport chain to form the molecule ATP.
1 = i.e., ATP <> of molecules can be generated
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The 18-carbon fatty acids are first activated: R-COOH+ATP+HS-COA to produce fatty acyl-CoA and AMP+PPI. It is equivalent to the consumption of 2 molecules of ATP.
Activated lipoacyl-CoA undergoes 8 times of oxidation, hydration, and oxidation. Each oxidation, flushing, and oxidation yielded 1 molecule of NADH, 1 molecule of FADH, and a total of 8 molecules of NADH, 8 molecules of FADH, and acetyl-CoA (18 2).
One molecule of acetyl-CoA enters the tricarboxylic acid cycle to generate 3 molecules of NADH and 1 molecule of FADH GTP (equivalent to one ATP). Therefore, 9 molecules of acetyl-CoA generate a total of 27NADH and 9FADH ATP.
So the total is 8nadh + 8fadh2 + 27nadh + 9fadh2 + 9atp. Since one NADH generates an ATP and a FADH2 generates an ATP. So in total:
35 fatty acids activated and consumed) = 120ATP.
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1.Fermentation in sugar tomato.
Pyruvate is generated.
Generate 2 molecules of ATP, and 2 molecules of NADH (proceeded in the cytosol)2Pyruvate enters the mitochondria.
Oxidative decarboxylation to acetyl CoA: 2 molecules of NaDH3Tricarboxylic acid cycle.
6 molecules of NADH, 2 molecules of FADH+H and 2 molecules of ATP In summary: 4 molecules of ATP, 2 molecules of NADH (cytosolic molecule NADH (mitochondria) Sun Yin, and 2 molecules of NADH+H
1. Molecular NADH** intrachondritic oxidation to produce molecular ATP; then Nayan 1 molecule FADH+H** produces molecular ATP in the granula; Intracytoplasmic NADH enters the mitochondria to produce or molecular ATP (due to different pathways into the mitochondria).
So a total of 4+2* or or 32) is generated
What the landlord is talking about is the result of equaling the sum approximately equal to 3 and 2.
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If you will have two breathing chains.
The ratio of P o is considered to be 3 and 2 times, 1 complete tricarboxylic acid cycle.
It can be buried to generate 12 molecules of ATP;
If the ratio of P o to the two respiratory chains is sum, 10 molecules of ATP can be produced in one complete tricarboxylic acid branch cycle
Therefore, it depends on the ratio of p o used in the textbook you use.
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How many molecules of ATP can be produced after 1 tricarboxylic acid cycle: () Correct tremblingAnswer: C
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1 molecule of acetyl-CoA can be converted into 1 molecule through the tricarboxylic acid cycle, and GTP can be converted into ATP, with a total of 4 dehydrogenations to generate 3 molecules of NADH, H and 1 molecule of FADH. When the hydrocarpus is generated by oxidation of the respiratory chain, the former can generate 3 molecules of ATP per pair of electrons, and 3 pairs of electrons can generate 9 molecules of ATP. The latter produces 2 molecules of ATP. Thus, 12 molecules of ATP can be produced per molecule of acetyl-CoA through the tricarboxylic acid cycle.
If calculated from pyruvate, 1 molecule of pyruvate can produce 15 molecules of glucose and 2 molecules of propionate can produce 2 molecules of pyridoxic acid, so prokaryotic cells produce a total of 38 ATP molecules per molecule of glucose through glycolysis, carboxylic acid cycle and oxidative phosphorylation.
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