In the course of metabolizing oxygen,our cells create unstable oxygen molecules that contain an unpaired electron.These molecules are known as ____.

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Unstable oxygen molecules that contain an unpaired electron are known as free radicals. They are generated by various physiological processes and can cause damage to cell membranes, proteins, and DNA if not neutralized by antioxidants.

In the Course of Metabolizing Oxygen,our Cells Create Unstable Oxygen