How is the double helix connected?

A double helix is often referred to as a "twisted ladder." It consists of two spirals bound together.

It's the shape of the DNA molecule, a pair of parallel helices intertwined about a common axis.

A double helix is two helixes.

The coiled structure of double-stranded DNA in which strands linked by hydrogen bonds form a spiral configuration, with the two strands oriented in opposite directions.

The structure of a DOUBLE HELIX is called the sugar phosphate backbone and gives the double helix its crisscrossing spiral appearance and it also has the job of holding everything together on the...