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Question

Aerobic respiration mainly takes place in the ________.

The correct answer is

Mitochondria

Aerobic respiration has two main stages: glycolysis in the cytoplasm (glucose → pyruvate) and the Krebs cycle plus electron transport chain in the mitochondria.

Most of the ATP (about 36–38 per glucose) is produced in the mitochondria, which is why they are called the powerhouse of the cell.

The vacuole stores water and wastes, the nucleus controls cell activities and holds DNA, and ribosomes are the sites of protein synthesis.

Hence, the answer is Mitochondria.

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