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What fraction of the carbon dioxide exhaled by animals is generated by the reactions of the citric acid cycle if glucose is the sole energy source?
For every molecule of glucose oxidized in the citric acid cycle, 6 molecules of carbon dioxide are produced. Glucose is a 6-carbon molecule that is completely oxidized to carbon dioxide in this cycle. Therefore, the fraction of carbon dioxide exhaled by animals that is generated by the citric acid cycle is 100%.
How many reduced dinucleotides would be produced with four turns of the citric acid cycle?
Four reduced dinucleotides (NADH) would be produced with four turns of the citric acid cycle - one NADH is produced in each turn of the cycle.
How many electrons are carriers are reduced during one turn of the citric acid cycle?
For each turn of the citric acid cycle, three molecules of NAD+ are reduced to NADH, and one molecule of FAD is reduced to FADH2. This means a total of four electron carriers (3 NADH + 1 FADH2) are reduced during one turn of the cycle.
What is the carbon waste product of the citric acid cycle?
Carbon dioxide, of course. As the intermediate substrates of the CAC are being oxidized (NAD + to NADH ) carbon dioxide is being released to be expelled from the lungs.
Why citric acid cycle is oxygen dependent?
The citric acid cycle does not directly utilize oxygen, however it is still necessary in order for it to proceed. The reason for this is that in order for NADH to be reduced back into NAD+, oxygen must be present. If NAD+ is not regenerated, the cycle can't proceed, thus fermentation evolved. This is correct except for that NADH must be oxidized to NAD+, not reduced. Reduction of NAD+ results in NAHD + H+
Where in cell is Succinic acid dehydrogenase found?
Succinic acid dehydrogenase is found in the mitochondria of the cell. It plays a key role in the citric acid cycle, where it catalyzes the conversion of succinate to fumarate while transferring electrons to the electron transport chain.
What is the function of succinic acid?
Succinic acid is used in the food industry as a flavoring agent and acidity regulator. It is also used in the production of pharmaceuticals, polymers, and as a precursor in the synthesis of some chemicals. Additionally, succinic acid plays a role in the citric acid cycle, which is an essential metabolic pathway in cells for energy production.
Photosynthesis is a redox reaction. This means that H2O is BLANK during the light reactions and CO2 is BLANK during the Calvin cycle. a. consumed...reduced b. reduced...oxidized c. oxidized...reduced?
Photosynthesis is a redox reaction where water (H2O) is oxidized during the light reactions, leading to the release of oxygen as a byproduct. In the Calvin cycle, carbon dioxide (CO2) is reduced to form carbohydrates with the help of ATP and NADPH produced during the light reactions. Therefore, the correct options are c. oxidized...reduced.
Is pyruvic acid reduced in the kresbs cycle?
No it is oxidized to carbon di oxide
What fraction of the carbon dioxide exhaled by animals is generated by the reactions of the citric acid cycle if glucose is the sole energy source?
For every molecule of glucose oxidized in the citric acid cycle, 6 molecules of carbon dioxide are produced. Glucose is a 6-carbon molecule that is completely oxidized to carbon dioxide in this cycle. Therefore, the fraction of carbon dioxide exhaled by animals that is generated by the citric acid cycle is 100%.
How many reduced dinucleotides would be produced with four turns of the citric acid cycle?
Four reduced dinucleotides (NADH) would be produced with four turns of the citric acid cycle - one NADH is produced in each turn of the cycle.
How many electrons are carriers are reduced during one turn of the citric acid cycle?
For each turn of the citric acid cycle, three molecules of NAD+ are reduced to NADH, and one molecule of FAD is reduced to FADH2. This means a total of four electron carriers (3 NADH + 1 FADH2) are reduced during one turn of the cycle.
Are NAD and FAD oxidized or reduced during Krebs?
NAD and FAD are reduced in the Krebs cycle and oxidised in the electron transport chain.
Citric acid forms during which part of cellular respiration?
Citric acid is formed during the citric acid (Krebs) cycle, which is the second stage of cellular respiration. In this cycle, acetyl-CoA is oxidized to produce ATP, CO2, and NADH in a series of reactions that take place in the mitochondria.
What is the carbon waste product of the citric acid cycle?
Carbon dioxide, of course. As the intermediate substrates of the CAC are being oxidized (NAD + to NADH ) carbon dioxide is being released to be expelled from the lungs.
Why citric acid cycle is oxygen dependent?
The citric acid cycle does not directly utilize oxygen, however it is still necessary in order for it to proceed. The reason for this is that in order for NADH to be reduced back into NAD+, oxygen must be present. If NAD+ is not regenerated, the cycle can't proceed, thus fermentation evolved. This is correct except for that NADH must be oxidized to NAD+, not reduced. Reduction of NAD+ results in NAHD + H+
Describe what occurs during the citric acid cycle?
During the citric acid cycle, also known as the Krebs cycle, acetyl-CoA is oxidized to generate energy in the form of ATP, NADH, and FADH2. This cycle takes place in the mitochondria and involves a series of enzyme-catalyzed reactions that produce carbon dioxide as a byproduct. The citric acid cycle is a key step in cellular respiration, providing electrons that will be used in the electron transport chain to generate more ATP.
