Save guides, add subjects and pick up where you left off with your BBC account. The questions in this quiz are suitable for GCSE biology students studying diffusion, mixing particles, cell models and ...

Small-scale analysis of RNA diffusion rates throughout cells of yeast and bacteria reveals that rates of change of entropy in certain time intervals are larger in areas with higher diffusion rates, ...

New work describes vital aspects of diffusion processes in tissue development, including the roles that molecular diffusion gradients have on stem cell signaling pathways along with new modeling tools ...

Cell membranes are thin measuring around 5 nanometers thick and to put that into perspective you could fit about 10,000 membranes across one human hair. However, does understanding a cell membrane's ...