| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| dna or rna forms a double helix shape | 0.93 | 0.6 | 458 | 72 |
| does rna have a double helix structure | 1.88 | 0.8 | 8521 | 32 |
| does dna have a double helix structure | 0.93 | 0.7 | 8309 | 24 |
| does rna have a double helix | 1.56 | 0.4 | 8564 | 70 |
| does dna have a double helix | 1.28 | 0.3 | 2357 | 21 |
| does rna form a double helix | 1.9 | 0.9 | 6618 | 9 |
| is double helix dna or rna | 1.47 | 0.8 | 4648 | 17 |
| does dna form a double helix | 0.98 | 0.6 | 7463 | 11 |
| shape of dna double helix | 1.95 | 0.1 | 7329 | 8 |
| is rna arranged as a double helix | 1.68 | 1 | 5269 | 82 |
| describe the shape of dna's double helix | 0.86 | 0.7 | 5716 | 21 |
| dna is the shape of a helix | 0.45 | 0.5 | 4796 | 65 |
| describe the double helix structure of dna | 0.41 | 0.4 | 8758 | 44 |
