Some of the functional groups found in biomolecules are hydroxyl, carbonyl, phosphate, sulfhydryl, amino and amine groups.
The function groups containing N are as follows:
1. Amino -NH3
2. Amide RCOR2
3. Imide (RCO)2NR'
4. Nitrate RONO2
5. Azide RN3
6. Azo group RN2R'
7. Cyanate ROCN
8. Nitrite RONO
9. Nitrile RCN
10. Pyridine RC5H4N