Which of the following cellular metabolic processes is active in all cells, regardless of the presence or the absence of oxygen?

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Quizplus · Accepted Answer

Glycolysis is an anaerobic metabolic process that occurs in all cells, regardless of the presence or absence of oxygen. It is the initial step of cellular respiration, where glucose is broken down into two molecules of pyruvate, producing a small amount of ATP. The other processes listed, such as the citric acid cycle, electron transport, and pyruvate oxidation, require oxygen to occur. Fermentation can occur in the absence of oxygen, but it is not necessarily active in all cells.

Which of the Following Cellular Metabolic Processes Is Active in All