This is a diagram showing cholesterol's (red) predominance in the outer layer of the cell membrane. Cholesterol transport proteins (blue) can alter its distribution between the inner and outer layers.

Trillions of cells -- all different shapes and sizes -- form a human body's structure. Surrounding each cell is a membrane, jointly acting as hostess and security -- welcoming certain information into ...

An international team involving the Institute of Chemical Research, a joint centre of the University of Seville and the ...

An international team involving the Institute of Chemical Research, a joint center of the University of Seville and the ...

Brain cell signals travel along axons, the thin wire-like extensions of neurons, moving signals along the membrane in a pearl-like shape.