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 prokaryotes, ...

'Miniature shredders' are at work in each cell, disassembling and recycling cell components that are defective or no longer required. The exact structure of these shredders differs from cell type to ...

Cells degrade components that are no longer needed through autophagy. New results show that a weak molecular interaction is essential for this process. By modifying this interaction, it is possible to ...