![Transcription factories in a Hela cell [from Cook PR (1999) Science 284, 1790]](../images/pombo.png)
Web pages for 'Principles of Nuclear Structure and Function' by Peter R Cook [Order]
These are more up-to-date than the official ones at http://www.wiley.com/cook.
Online writing tools Advice on how to write, use 'Word' and 'Powerpoint', download and manipulate molecular structures, and much more.