Albbi, 10 months ago DNA is a double helix. The image bottom right shows only a single helix. For a double helix, think of a rollercoaster riding the track. There needs to be 2 rails going around for the rollercoaster to attach to.
DNA is a double helix. The image bottom right shows only a single helix. For a double helix, think of a rollercoaster riding the track. There needs to be 2 rails going around for the rollercoaster to attach to.
Deebster