During the citric acid cycle, what happens to acetyl-CoA? It enters the citric acid cycle and gains carbon dioxide to form citric acid, and gains more carbon dioxide through redox reactions to form a 4-carbon molecule. It enters the citric acid cycle and associates with a 4-carbon molecule forming citric acid, and then through redox reactions regenerates the 4-carbon molecule. It enters glycolysis and associates with a 5 -carbon molecule through redox reactions, forming another acetyl. CoA molecule It enters the citric acid cycle and associates with a 4-carbon molecule forming a 5-carbon compound, and then through oxidation reactions regenerates the 4-carbon molecule.

Question

During the citric acid cycle, what happens to acetyl-CoA? It enters the citric acid cycle and gains carbon dioxide to form citric acid, and gains more carbon dioxide through redox reactions to form a 4-carbon molecule. It enters the citric acid cycle and associates with a 4-carbon molecule forming citric acid, and then through redox reactions regenerates the 4-carbon molecule. It enters glycolysis and associates with a 5 -carbon molecule through redox reactions, forming another acetyl. CoA molecule It enters the citric acid cycle and associates with a 4-carbon molecule forming a 5-carbon compound, and then through oxidation reactions regenerates the 4-carbon molecule.

Answer 1

The correct answer is: It enters the citric acid cycle and associates with a 4-carbon molecule forming citric acid, and then through redox reactions regenerates the 4-carbon molecule.During the citric acid cycle, acetyl-CoA enters the cycle and combines with a 4-carbon molecule called oxaloacetate to form citric acid, a 6-carbon molecule. The citric acid then undergoes a series of redox reactions, losing two molecules of carbon dioxide and regenerating the 4-carbon molecule oxaloacetate. This process also produces high-energy electron carriers NADH and FADH2, which are used in the electron transport chain to generate ATP, the primary energy currency of the cell.

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