Comparison of ATP Production in Aerobic and Anaerobic Respiration

Medium Biochemistry Bioenergetics

In biological systems, energy transfer is a fundamental process essential for maintaining life. One of the critical molecules involved in cellular bioenergetics is adenosine triphosphate (ATP). ATP serves as a universal energy currency, facilitating various biochemical reactions. Under aerobic conditions, glucose is metabolized through glycolysis, the citric acid cycle, and oxidative phosphorylation, resulting in a significant yield of ATP. However, in anaerobic conditions, the fate of glucose changes, and less ATP is produced.

Consider the following two pathways: 1) aerobic respiration and 2) anaerobic respiration. Which of the following statements correctly describes a difference between these two processes regarding ATP production?

Anaerobic respiration produces significantly more ATP per glucose molecule compared to aerobic respiration.

Aerobic respiration occurs in the cytosol, while anaerobic respiration occurs in the mitochondria.

Aerobic respiration yields up to approximately 30-32 ATP molecules per glucose molecule, whereas anaerobic respiration yields only 2 ATP molecules.

Both aerobic and anaerobic respiration yield the same amount of ATP per glucose molecule.

Hint

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