All are free radicals except
Correct Answer: Hydrogen peroxide
Description: Hydrogen peroxide is a reactive oxygen species but not a free radical because all electrons are paired. Clinical correlate: Chronic granulomatous disease also knows as Bridges-Good syndrome is due to deficiency of NADPH oxidase. The lysosomes are unable to produce hydrogen peroxide to kill the bacteria. The patients have increased susceptibility towards catalase-positive organisms. Reference: Harpers illustrated biochemistry 30th edition
Category:
Biochemistry
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