| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | double helix | Western countries | The double helix structure is associated with DNA and its discovery by scientists in Western countries such as Watson and Crick. | 3 |
| 2 | double helix | US | The double helix structure of DNA is associated with its discovery by scientists like James Watson and Francis Crick in the US. | 1 |