What will occur if oxygen is not available in great enough quantity during cellular respiration? A) Cellular respiration will shift towards anaerobic respiration. B) The number of ATP produced will increase. C) Oxygen will start to diffuse at a greater rate in order to make up for the deficiency. D) Nothing will change since oxygen is not required for cellular respiration. E) CO₂ will not be able to fix itself to the Calvin cycle.

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Overall, the role of oxygen in cellular respiration is to act as the final acceptor of electrons in the electron transport chain. In the absence of oxygen the cell will shift towards anaerobic respiration.

What Will Occur If Oxygen Is Not Available in Great