The electron transport chain. Oxygen is the last electron acceptor.
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The electron transport chain stage of cellular respiration requires oxygen as the final electron acceptor. Oxygen is needed to drive the production of ATP through oxidative phosphorylation.
Cellular respiration requires fuel which is glucose and oxygen gas. Pathways of cellular respiration that require oxygen are called aerobic.
Oxygen is the gas used by eukaryotic cells for cellular respiration. Oxygen is required for the process of oxidative phosphorylation, which is the final stage of cellular respiration where ATP is produced.
The first stage of cellular respiration is glycolysis, which occurs in the cytoplasm of cells. This process is thought to be the oldest stage of cellular respiration in evolutionary terms because it is a simple and ancient metabolic pathway that can occur without the presence of oxygen.
fermentation will occur.
Fermentation is not considered a stage of cellular respiration as it does not require oxygen. On the other hand, electron transport is a crucial stage of cellular respiration that involves the transfer of electrons through a series of protein complexes in the inner mitochondrial membrane to generate ATP.
The first stage in cellular respiration is known as Glycolysis.