Multiple choice

The site of aerobic respiration in a cell is

  1. Mitochondria

  2. Endoplasmic Reticulum

  3. Golgi Complex

  4. Lysosomes

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A Correct answer
Explanation

Each mitochondrion is bound by a double membrane. The outer membrane is smooth and straight, while the inner membrane is thrown into numerous folds called cristae. Mitochondria represents the sites of aerobic respiration in a cell. They use molecular oxygen to oxidize glucose into carbon dioxide and water. Oxidation releases energy in the form of molecules of adenosine triphosphate (ATP), which are stored and released in the cell. Hence, mitochondria are described as minute powerhouses of the cell.

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