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What is Selenium is essential for the: and explain in detail?
Ans. A. Glutathione peroxidasea. Glutathione peroxidase is a selenium containing enzyme which acts in synergism with vitamin E to protect against hydroperoxide free radical damage.b. First line of defense against hydroperoxide free radical damage is vitamin E (tocopherol) while the second line of defense is a selenium containing enzyme glutathione peroxidase.