The correct option is B ; Adenine and guanine are purines , The purines in DNA are the same as those in RNA: adenine and guanine. Cytosine and thymine are the pyrimidines in DNA;
cytosine and uracil are the pyrimidines in RNA. Purines are larger than pyrimidines because they have two rings, whereas pyrimidines only have one.
Purines are adenine (A) and guanine (G), while pyrimidines are cytosine (C), thymine (T), and uracil (U). These are the most important components of nucleic acid, and the sequence of these molecules contains genetic information.
A DNA molecule's nucleic acid strands are antiparallel to one other. Nucleic acids are produced via phosphodiester linkages that connect complementary nucleobases.
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