Related topics: cells · chromosomes · protein · cancer cells · genes

How does a bacterium know it's time to split apart?

Bacterial cells do not wake up one morning and decide to become parents. But there is a point in their cell cycle—after growing sufficiently and replicating their genomes—when they split in two, creating new cells that ...

Damage to cell membranes causes cell aging, finds new study

Our cells are surrounded by a fragile membrane that's only 5 nanometers thick, 1/20 of a soap bubble. Cells are easily damaged by physiological activities, including muscle contraction and tissue injury. To cope with such ...

page 2 from 40