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?

First, he noted that the nucleotide composition of DNA varies ... that A bound to T and C bound to G within the molecular structure of DNA (Figure 2). Chargaff's realization that A = T and C ...

Small molecules are central players as building blocks, effectors and probes of macromolecular structure and function. The recent explosion of interest in chemical biology reflects fascination ...