Nucleic acids are macromolecules, which means they are molecules composed of many smaller molecular units. Thes units are called nucleotides, and they are chemically linked to one another in a chain.

DNA is fundamental to the biology of all life on Earth, but how many of us actually know what it is or what it's made of?

Glycobiologists often describe oligosaccharides as a third class of macromolecules, elevating them to a status otherwise reserved for nucleic acids and proteins. However, striking chemical and ...