| increase resistance | 0.31 |
| help to protect the liv… | 0.25 |
| donate one nitrogen atom | 0.25 |
| move the coenzyme nicot… | 0.25 |
| act as neurotransmitter | 0.25 |
| pervasive | 0.25 |
| constant | 0.25 |
| neurotoxic | 0.16 |
| amino acid | 0.68 |
| non-essential amino acid | 0.49 |
| abbreviated as asp | 0.31 |
| involved in energy prod… | 0.31 |
| synthesized | 0.25 |