double helix 
noun
A pair of parallel helices intertwined about a common axis, especially that in the structure of the DNA molecule.In an actin filament, two chains of actin beads wrap around each other in yet another double helix....
- Clearly, the rigidity is different for the regions consisting of one double helix or two double helices and the bends are likely to be localized at certain points within the unit.
- The opening of basepairs in DNA double helices is a prerequisite for propagation and expression of genetic information.
- residual current device
- residual herbicide
- residual hypothesis
- residual legatee
- residually
- residual map
- residual oil
- residual powers
- residual stress
- residual sugar
- residual volume
- residuary
- residuary clause
- residuary devisee
- residuary legatee
- residuary powers
- residuation
- residue
- residue class
- residuous
- residuum
- resift
- resight
- re-sign
- resign