

| DNA | RNA |
| 1. Pentose sugar present is Deoxyribose | 1. Pentose sugar present is Ribose. |
| 2. Contains Thymine | 2. Contains Uracil in place of thymine |
| 3. Double stranded | 3. Usually single stranded |
| 4. Occurs only in the nucleus. | 4. Occurs in both nucleus and cytoplasm. |
