Biology

In both aerobic and anaerobic respiration, glucose is broken down into pyruvate during glycolysis. This process occurs in the cytoplasm and is the first step of both types of respiration, producing 2 molecules of pyruvate along with a small amount of ATP.

The other options are incorrect:

Option A: This reaction occurs during photosynthesis in plants, not in respiration. In respiration, water is produced as a byproduct, but it's not split during the process.

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