| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| rod cells are responsible for | 1.13 | 0.2 | 903 | 5 | 29 |
| rod | 1.65 | 0.8 | 4221 | 60 | 3 |
| cells | 0.95 | 0.3 | 3431 | 43 | 5 |
| are | 0.4 | 0.5 | 842 | 14 | 3 |
| responsible | 1.76 | 0.8 | 4181 | 34 | 11 |
| for | 1.93 | 0.4 | 3188 | 39 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| rod cells are responsible for | 0.16 | 0.4 | 4542 | 45 |
