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What role does cellular respiration play in the carbon cycle?



It removes CO2 from the atmosphere during glycolysis.

It removes CO2 from the atmosphere during the citric acid cycle.

It releases CO2 to the atmosphere during acetyl CoA formation.

It releases CO2 to the atmosphere during electron transport.

Respuesta :

W0lf93
During cellular respiration, carbon dioxide is released to the atmosphere during the formation of acetyl coenzyme A. This step involves the oxidative decarboxylation of pyruvic acid, the result of which is carbon dioxide. This carbon dioxide is uptaken by plants and used in the process of photosynthesis to produce glucose.
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Cellular respiration is closely involved in the carbon cycle. The role of Cellular respiration in the carbon cycle is to release CO₂ to the atmosphere during acetyl CoA formation.

Cellular respiration

Through respiration, cells can degrade organic compounds and produce energy.

Aerobic respiration takes place in three steps or stages: Glycolysis, Krebs cycle, and electron transporter chain.

• Glycolysis takes place in the cytoplasm.

• The Krebs cycle occurs in the mitochondria matrix.

•  The electron transporter chain is placed in the internal mitochondrial membrane.

Acetil-CoA formation

Pyruvate is the main product of glycolysis.

From this molecule, the cell can still get energy.

1) Pyruvate enters the mitochondria matrix and turns into Acetyl CoA through oxidation.

2) This oxidation process turns each pyruvate (3C) into acetyl-CoA,  a 2C product joint to the coenzyme A.

3) During this process, NADH molecule is formed, and CO₂ is released.

4) Acetyl CoA can now enter the Krebs cycle where it joins an oxaloacetate molecule (4C) and release the CoA group, turning it into Citrate (6C).

The role of Cellular respiration in the carbon cycle is to release CO₂ to the atmosphere during acetyl CoA formation.

Option C is correct.

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