Antioxidants protect the body cells from damage caused by free radicals. The lipids capable of functioning as an antioxidant and as a precursor of vitamin A in the human body are _______________.
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glycerolipids
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prenol lipids
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sterol lipids
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glycerophospholipids
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sphingolipids
B
Correct answer
Explanation
Prenol lipids are synthesized from the five-carbon-unit precursors isopentenyl diphosphate and dimethylallyl diphosphate. Carotenoids are important simple isoprenoids that function as antioxidants and as precursors of vitamin A.