While prokaryotic cells do not have membrane-bound structures, they do have distinct cellular regions (Figure 1). In prokaryotic cells, DNA bundles together in a region called the nucleoid. Primitive ...

This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. The National Institutes of Health is proposing a small change to the ...

Stem cell research is at defining moment. Although it can be controversial and does raise a lot of important ethical issues, this area of medical science has been characterised by a number of ...