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DNA was first isolated and named **nuclein** by:
AWatson and Crick (1953)
BFriedrich Miescher (1869)
CFrederick Griffith (1928)
DAvery, MacLeod and McCarty (1944)
Answer & Solution
Correct answer: B. Friedrich Miescher (1869)
In 1869, Friedrich Miescher isolated nucleic acid from white blood cells (pus from bandages). Because of its high phosphorus content and acidic properties, he named it 'nuclein' — later termed nucleic acid.
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