Ellis L. Reinherz is in the Department of Medicine, Harvard Medical School, Boston, Massachusetts 02115, USA, and at the Dana-Farber Cancer Institute, Boston, USA. Immune cells called T cells have ...

The cell nucleus is considered to be the control center of vital cellular processes, but its material properties continue to puzzle scientists. An international research team has now developed a new ...

A eukaryote is any cell or organism that possesses a clearly defined nucleus. Eukaryotic cells form the foundation of complex, multicellular life, including apple trees, mushrooms, fish and humans.

Cells are the building blocks of all living organisms. Test your knowledge of the structure of cells in preparation for your National 5 Biology exam. Looking for more cell structure revision? There is ...

While prokaryotic cells do not have membrane-bound structures, they do have distinct cellular regions (Figure 1). In prokaryotic cells, DNA bundles together in a region called the nucleoid. Primitive ...

A new structure in human cells has been discovered. The structure is a new type of protein complex that the cell uses to attach to its surroundings and proves to play a key part in cell division. A ...

As power plants and energy stores, mitochondria are essential components of almost all cells in plants, fungi and animals. Until now, it has been assumed that these functions underlie a static ...

CBSE Class 11 Biology Important Diagrams: The study of biology is impossible without the use of flowcharts and diagrams. These illustrations make it easier for us to comprehend the complex ideas of ...