1adenine and guanine
purines
2adenine and guanine
purines
3purines
adenine and guanine
4adenine and guanine
purines
5purines
adenine and guanine
6adenine and guanine
purines
7pyrimidine
cytosine, thymine, uracil
8cytosine, thymine, uracil
pyrimidine
13nucleotides
molecule that makes up nucleic acid, monomers of dna
14molecule that makes up nucleic acid, monomers of dna
nucleotides