Natasha is making a model of cellular respiration. Her model shows the pathway followed when there is enough oxygen available. What does Natasha's model show?

Natasha's model of cellular respiration shows an aerobic pathway consisting of glycolysis, the Krebs cycle, and the electron transport chain.

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An aerobic pathway consisting of glycolysis and fermentation.An aerobic pathway consisting of glycolysis, the Krebs cycle, and the electron transport chain.An anaerobic pathway consisting of glycolysis and fermentation.An anaerobic pathway consisting of glycolysis, the Krebs cycle, and the electron transport chain.

Cellular respiration is the process of energy production that occurs in mitochondria. This process requires energetic substrate, such as glucose.

Glucose is converted to pyruvate by the process of glycolysis, which occurs in the cytoplasm. This pyruvate is then transformed into acetyl-coa.

In the presence of oxygen, energy production in the mitochondria depends on the Krebs cycle, which starts with successive transformations from Acetyl-CoA to acetate and then to Citrate, through oxidation processes. These oxidative processes are necessary for electron transfer to occur.

Thus, cellular respiration in the presence of oxygen involves an aerobic pathway consisting of glycolysis, the Krebs cycle, and the electron transport chain.

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