Science
In what ways do the chemical structures of DNA and RNA differ?
?
![](https://d22o6al7s0pvzr.cloudfront.net/images/bookrags/qa/avatars/.defaults/unknown.png)
Asked by
nilkumar
Last updated by
Jill W
?
The main difference between the two is that the DNA structure is a double helix (two complementary strands); RNA is single-stranded.