Prokaryotic organisms contain one type of rRNA gene that encodes ... based on the three-dimensional structure of the tRNA molecule. Other classes of RNA species include microRNAs, small ...

This article was originally published with the title “ The Three-Dimensional Structure of a Protein Molecule ” in Scientific American Magazine Vol. 205 No. 6 (December 1961), p. 96 doi:10.1038 ...

But James Watson and Francis Crick's claim was a valid one, for they had in fact discovered the structure of DNA, the chemical that encodes instructions for building and replicating almost all ...

DNA is a complex molecule that consists of two strands coiled around each other to form a double helix structure. Comparison of a single ... These mechanisms can detect and correct different types of ...

Although James Watson and Francis Crick determined the double-helical structure of DNA ... Miescher isolated a previously unknown type of molecule that was slightly acidic and contained a high ...

The pioneering nuclear chemist Glenn Seaborg discovered berkelium at Berkeley Lab in 1949. It was one of many achievements ...