Cell membranes protect and organize cells. All cells have an outer plasma membrane that regulates not only what enters the cell, but also how much of any given substance comes in. Unlike ...

These components are organized into three major layers: the primary cell wall, the middle lamella, and the secondary cell wall (not pictured). The cell wall surrounds the plasma membrane and ...

An animal cell is made of three main parts a nucleus, cell membrane and cytoplasm, which holds the rest of its critical components. And it's so small you could actually fit 100 animal cells across ...

Physicists from the Universities of Bayreuth and Grenoble have discovered a new mechanism of cell mobility. Their findings ...

Researchers have produced the most detailed image to date of a bacteriophage -- phage for short -- that has allowed them to see for the first time the structural makeup of the part of the phage that ...