Osmosis refers to the movement of water molecules only. The slideshow shows an example of osmosis showing the direction of movement of water between two different concentrations of sugar solutions. In ...

The ERBB system consists of four receptors (ERBB1–4), two of which, ERBB2/HER2 and ERBB3 are non-autonomous. All four ERBB proteins form functional dimers after activation by epidermal growth factor ...

A Christmas Carol by Charles Dickens tells the story of Ebenezer Scrooge, an old man who transforms his miserly ways after four ghostly visits one Christmas Eve. Plot summary quiz Revise and learn ...

We're dedicated to conducting cutting-edge, fundamental basic and translational research to improve human health and educating the next generation of scientists. Our faculty, staff, and trainees play ...

Plant cell biology is the study of all aspects of plant cells. It is particularly concerned with structure, growth, division, signalling, differentiation and death of plant cells. Plants close their ...