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Which Best Describes a Free Radical

Question 119

Multiple Choice

Which best describes a free radical?

A) an antioxidant substance that prevents accumulation of cell-damaging oxides
B) a substance in food that interacts with nutrients to decrease their utilization
C) a nutrient in excess of body needs that the body is free to degrade with no consequence
D) a molecule that is unstable and highly reactive because it contains unpaired electrons

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