| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| does diffusion require concentration gradient | 1.64 | 0.7 | 2447 | 69 | 45 |
| does | 1.02 | 0.5 | 7724 | 89 | 4 |
| diffusion | 1.9 | 0.3 | 919 | 3 | 9 |
| require | 1.16 | 0.5 | 3752 | 14 | 7 |
| concentration | 1.73 | 0.3 | 7198 | 46 | 13 |
| gradient | 0.83 | 0.3 | 6459 | 36 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| does diffusion require concentration gradient | 0.17 | 0.5 | 9203 | 71 |
| does concentration gradient affect diffusion | 0.41 | 0.1 | 6849 | 55 |
| concentration gradient and diffusion | 0.87 | 0.8 | 2010 | 96 |
| role of concentration gradient in diffusion | 0.93 | 0.9 | 6238 | 30 |
| diffusion against concentration gradient | 0.68 | 0.3 | 8037 | 63 |
| concentration gradient affect diffusion rate | 1.37 | 0.8 | 8852 | 18 |
| does diffusion go against the gradient | 1.18 | 0.6 | 2201 | 54 |
| concentration gradient diffusion definition | 0.57 | 0.6 | 8354 | 60 |
| simple diffusion concentration gradient | 1.78 | 0.7 | 9369 | 40 |
| concentration gradient affect diffusion | 1.36 | 0.4 | 4599 | 99 |
| is diffusion down a concentration gradient | 0.16 | 0.8 | 2139 | 89 |
| what is concentration gradient in diffusion | 1.15 | 0.1 | 721 | 92 |
| concentration gradient facilitated diffusion | 0.53 | 0.1 | 6109 | 24 |
| why are gradients important in diffusion | 0.61 | 1 | 7784 | 23 |
