Some fatty acid molecules actually play a crucial role ... Leukotrienes: mediators of immediate hypersensitivity, reactions and inflammation, Science 220 568–575 (1983) doi: 10.1126/science.

A nucleic acid is a long molecule made up of smaller molecules called nucleotides. Nucleic acids were discovered in 1868, when twenty-four-year-old Swiss physician Friedrich Miescher isolated a ...