GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
| 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 | |