Pyruvate oxidation and citric acid cycle
[DOC File]AP Biology - Weebly
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Under aerobic conditions, pyruvate is converted to acetyl CoA and oxidation continues in the citric acid cycle. Under anaerobic conditions, pyruvate serves as an electron acceptor to recycle NAD+. To make the same amount of ATP, a facultative anaerobe must consume sugar at a much faster rate when fermenting than when respiring.
Glycolysis, Fermentation and the Citric Acid Cycle - Biology 230W C…
Oxidation of pyruvate. Citric acid cycle. Chemiosmosis. Electron transport chain. Before pyruvate enters the TCA cycle, it is decarboxylated, oxidized, and combined with coenzyme A, forming acetyl CoA, carbon dioxide, and one molecule of. NADH + H+. FADH2. ATP. ADP. C6H12O6 In the first step of the CTA, acetyl CoA reacts with oxaloacetate to ...
[DOC File]CHAPTER 9 CELLULAR RESPIRATION: HARVESTING CHEMICAL …
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Citric Acid Cycle Summary per Pyruvate. In Out Citric Acid Cycle Summary per Glucose. In Out Complete the following chart by providing the number of each molecule produced per glucose molecule. ... Define oxidation and reduction in terms of electron gain or loss; gain or loss of hydrogen and oxygen.
[DOC File]Life 9e
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6) In order to enter the citric acid cycle, pyruvate is first converted to A) ate. B) acetaldehyde. C) citrate. D) acetyl CoA. E) ethanol. Answer: D. Objective: 23.1. Global Outcomes: GO2. 7) The citric acid cycle is used in the oxidation of. A) glucose only. B) glucose and fatty acids only. C) fatty acids only. D) glucose, fatty acids, and ...
[DOC File]CHAPTER 9 CELLULAR RESPIRATION: HARVESTING CHEMICAL …
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Under aerobic conditions, pyruvate is converted to acetyl CoA and oxidation continues in the citric acid cycle. Under anaerobic conditions, pyruvate serves as an electron acceptor to recycle NAD+. The oldest bacterial fossils are more than 3.5 billion years old, appearing long before appreciable quantities of O2 accumulated in the atmosphere.
[DOC File]BI0 120 cell and tissues - Hanover College
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Concept 9.3 After pyruvate is oxidized, the citric acid cycle completes the energy-yielding oxidation of organic molecules. After pyruvate enters the mitochondrion via active transport, it is converted to a compound called acetyl coenzyme A, or . acetyl CoA.
CHAPTER 9 CELLULAR RESPIRATION: HARVESTING CHEMICAL …
Both the complete oxidation of triglycerides and that of glucose to pyruvate use the citric acid cycle. c. Acetyl CoA is an intermediate in the breakdown of both glucose to pyruvate and triglycerides.
[DOC File]CHAPTER 9 CELLULAR RESPIRATION: HARVESTING CHEMICAL …
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If O2 is present, the chemical energy stored in pyruvate and NADH can be extracted by pyruvate oxidation, the citric acid cycle, and oxidative phosphorylation. Concept 9.3 After pyruvate is oxidized, the citric acid cycle completes the energy-yielding oxidation of organic molecules
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