| to the cultivation of life | 13 | purpose |
| to the cells | 9 | transitive-object |
| for parasite survival | 7 | purpose |
| function → be → essential | 66 |
| function → be → crucial | 22 |
| function → be → vital | 12 |
| function → be of → vital importance | 5 |
| function → become → essential | 3 |
| negative | neutral | positive |
| 0.069 | 0.714 | 0.217 |
| Raw frequency | 108 |
| Normalized frequency | 0.712 |
| Modifier score | 0.740 |
| Perplexity | 256.530 |