
The SciencesDecember 1, 1987
How Animal Cells Move
They do so by bringing pieces of the outer membrane into the cytoplasm and then recycling them to the surface in a directed way. Nutrients are brought into the cell by the same process

How Animal Cells Move
They do so by bringing pieces of the outer membrane into the cytoplasm and then recycling them to the surface in a directed way. Nutrients are brought into the cell by the same process

The Molecules of the Cell Membrane
They spontaneously form a simple, two-dimensional liquid controlling what enters and leaves the cell. Some cells internalize and then recycle a membrane area equivalent to their entire surface in less than an hour