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Which scientist first identified DNA in 1869 and named the acidic nuclear substance 'Nuclein'?
A{'text': 'Frederick Griffith', 'label': 'A'}
B{'text': 'Erwin Chargaff', 'label': 'B'}
C{'text': 'Alec Jeffreys', 'label': 'C'}
D{'text': 'Friedrich Meischer', 'label': 'D'}
Answer & Solution
Correct answer: D. {'text': 'Friedrich Meischer', 'label': 'D'}
Friedrich Meischer isolated an acidic nuclear substance in 1869 and called it 'Nuclein'. Its long polymeric nature delayed structural elucidation until 1953.
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