A) polymer of nucleic acid
B) phosphoric acid + ba2se
C) phosphoric acid + sugar + base
D) sugar + base
Correct Answer: D
Solution :
DNA is complex macro-molecule or polymeric chemical compound of deoxyribonucleotides. Each deoxyribonucleotide is formed of nitrogenous base (pyrimidine or purine), pentose sugar and phosphoric acid.
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