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.

The right answer is It releases CO2 to the atmosphere during acetyl CoA formation.

This occurs during the decarboxylation of pyruvate.

The decarboxylation of pyruvate, or oxidative decarboxylation, is the chemical reaction catalyzed by the pyruvate dehydrogenase complex linking glycolysis to the Krebs cycle by converting pyruvate to acetyl-CoA:

Pyruvate + CoA-SH + (NAD +) → NADH + (H +) + CO2 + Acetyl-CoA.

Electron transport chain has no relation to carbon dioxide release. It has relation with oxygen and electrons transporters.

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b. lithosphere, asthenosphere, mesosphere   is the answer most likely