GAT Subject
Engineering
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9. | Which characteristic is found in both purines and pyrimidines? | |
A. | They both have aromatic rings that undergo substantial tautomerization at neutral pH | |
B. | They both are weak bases that can be positively charged at neutral pH. | |
C. | They both have multiple pKa values that result in zwitterion forms. | |
D. | They both can form stable N-glycosidic bonds with β D-ribofuranose | |