Q.
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a
identified DNA as a basic substance and named it ‘Nucleotide’ in 1896.
b
identified DNA as an acidic substance and named it ‘Nuclein’ in 1896.
c
identified DNA as an acidic substance and named it ‘Nuclein’ in 1869.
d
identified DNA as a neutral substance and 'Nuclein' in 1889
answer is C.
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