0 the structure of a DNA molecule --
1 the shape like two curving lines twisted together that is made by two strands (= strings) of DNA (= the chemical that controls each cell) --
Once the train leaves the double helix, riders are pulled through a bunny hop.
The sculpture, which stands tall with a base, is a double helix that appears to make a quarter turn between the bottom and the top.
There is also a major groove and a minor groove on the double helix.
Its structure is a double helix, with two strands wound around each other.
This arrangement of two nucleotides binding together across the double helix is called a base pair.
Another double helix may be found tracing the spaces, or grooves, between the strands.
Nanotechnology and the double helix.
Many forms of the open state are possible for a single base pair, although a preference for opening towards the major groove of the double helix has been found.
