Enzymes are the busy workers of the cell. If everything in the cell is to happen in the right place and time, the cell must control the activity of these workers. It often does this by turning enzymes off and on, in what scientists call "covalent… More »
Rose Hughes is a London-based writer and scientist. Her extensive experience as a professional science writer is complemented by her scientific credentials. She holds a Bachelor of Arts in natural science from the University of Cambridge UK, and is currently working towards a PhD in infectious disease. Her work has been published in both health magazines and peer reviewed scientific journals.