(A) The 3D structure of BtFd (PDB id: 1IQZ). The [4Fe-4S] cluster and aspartate residues are shown as a space-filling model, and the ligand cysteines for the Fe-S cluster are shown as yellow sticks.

Department of Architecture, University of Florence, Florence, Italy. A masonry structure is analyzed by means of a discrete model, previously proposed in other works, according to the early static ...

This manuscript applies a theoretical analysis to two published datasets on yeast and bacterial evolution to compare different ways of quantifying fitness. It makes an important advance by clarifying ...

In most animal, plant and fungal cells DNA is stored in the nucleus coiled up in thread-like structures called chromosomes. The nucleus of one of your skin cells contains about two metres of DNA ...