| Answer | Crossword Clue |
|---|---|
| TWISTDRILL | Helical tool. |
| VOLUTED | Helical |
| SPIRY | Helical |
| SWIRLY | Helical |
| SPIRAL | Helical |
| SPIRAL | Helical. |
| TWISTY | Helical |
| SPIRALED | Helical |
| SPIRAL | Helical form |
| RNA | Helical molecule |
| DNA | Helical stuff |
| RNA | Helical stuff |
| ROTINI | Helical pasta |
| DNA | Helical inheritance |
| SPIRALS | Helical shapes |
| DNA | Helical strands |
| SOLENOID | Helical conductor |
| AUGER | Helical bit |
| SCREW | One with a helical thread |
| SPIRALED | Flew downward in a helical path |
