| 1. | Nucleosides used in DNA |
| 2. | DNA base sequence |
| 3. | DNA length |
| 4. | mRNA sequence |
| 1. | Glucose, galactose | 2. | Glucose, Fructose |
| 3. | Glucose, ribose | 4. | Gluconic acid, glucose |
| 1. | Ribose + Uracil + Phosphate |
| 2. | Deoxyribose + Uracil + Phosphate |
| 3. | Deoxyribose + thymine + Phosphate |
| 4. | Ribose +Thymine + Phosphate |