Comparison of RNA and DNA
From EteRNA WiKi
RNA and DNA are both nucleic acids consisting of a long chain of nucleotides. Despite their seemingly minor chemical differences, the two molecules play very different roles for life forms on Earth.
DNA and RNA differ in the identity of the sugar and one base. Additionally, DNA is almost always double-stranded, occuring alongside a complementary strand. RNA is often found in single-stranded form.