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?

Letter Published: 29 May 1954 Regularities in the Composition of Pentose Nucleic Acids DAVID ELSON & ERWIN CHARGAFF Nature 173, 1037–1038 (1954) Cite this article ...

It is shown in figure 3. Figure 3 (A) Step 1 - Activation of ribose-5-phosphate. The starting material for purine biosynthesis ribose-5-phosphate, a product of the pentose phosphate Pathway.

Letter Published: 06 October 1951 Separation of Deoxypentose and Pentose Nucleic Acids STEPHEN ZAMENHOF & ERWIN CHARGAFF Nature 168, 604–605 (1951) Cite this article ...