have a question about ''complementary nucleotides''. Books and google makes me confused. Correct me if Im wrong.  Everywhere I read, it says ''nucleotides in basepairing are complementary''. But the basepairing are part of the  nucleotides structure? shouldnt the basepairing in nucleotides be complementary, meaning the bases have been linked together via hydrogen bonding, which results in the shape of nucleotides???? Or do they mean that, nucleotides are complementary because their bases have formed bond with each other, which gives the shape of nucleotides?? I dont know why I dont get it. Please explain so I can understand it. Thank you

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