3
Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
A: Vitamin E serves as an antioxidant R: Vitamin E can quench free radicalsIn light of the above statements, choose the most appropriate answer from the options given below
EXPLANATION
DNA Replication in Prokaryotes & Eukaryotes
- Antioxidant Action of $\alpha$-Tocopherol:
- Assertion (A): Vitamin E is the primary lipid-soluble chain-breaking antioxidant protecting cellular and subcellular membranes against oxidative damage. (True).
- Reason (R): The chromanol ring of Vitamin E donates a phenolic hydrogen atom to lipid peroxyl radicals ($LOO^\bullet$), converting them into stable lipid hydroperoxides ($LOOH$) and quenching free radical propagation chains in lipid bilayers. (True).
- nalysis:
- Both (A) and (R) are correct, and (R) provides the definitive chemical explanation for (A). Hence, Option 1 is correct.
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