| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| atp synthesis hydrogen gradient | 0.61 | 0.5 | 2732 | 4 | 31 |
| atp | 1.42 | 0.6 | 5347 | 17 | 3 |
| synthesis | 1.22 | 0.4 | 5353 | 8 | 9 |
| hydrogen | 1.33 | 0.8 | 9490 | 94 | 8 |
| gradient | 1.28 | 0.2 | 7092 | 33 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| atp synthesis hydrogen gradient | 0.43 | 0.5 | 8588 | 54 |
