News articles tagged with 'cell' (Page 520)
Marine phytoplankton changes form to protect itself from predators
— 17 Jun 2007 00:01 | BiologyA tiny single-celled organism that plays a key role in the carbon cycle of cold-water oceans may be a lot smarter than scientists had suspected. In a paper published in the online version…
In search of the biological significance of modular structures in protein networks
— 31 May 2007 15:05 | BiologyIt is easy to observe that many networks naturally divide into communities or modules, where links within modules are stronger and denser than those across modules - like the way people…
A new view of photosynthesis
— 3 May 2007 20:00 | BiologyDuring the remarkable cascade of events of photosynthesis, plants approach the pinnacle of stinginess by scavenging nearly every photon of available light energy to produce food. Yet…
Marine moss hints to anti-cancer compound
— 9 Mar 2007 15:20 | BiologyAn Oregon Health and Science University researcher believes the discovery of a gene cluster from a bacterium that protects a moss-like marine invertebrate from predators may be the…
Location, location - Cell sizes, lives influenced by host size
— 8 Mar 2007 20:10 | BiologyCells from the smallest to the largest of mammals often seem to be one size fits all. Now a closer look reveals that whether a cell lives in an elephant, mouse or something in between…
An architectural plan of the cell
— 7 Mar 2007 00:22 | BiologyLike our body every cell has a skeleton that provides it with a shape, confers rigidity and protects its fragile inner workings. The cytoskeleton is built of long protein filaments…
Spiders: Chastity belts stop cuckoos in the nest
— 5 Mar 2007 18:12 | BiologyThe fact that female wasp spiders have numerous sexual contacts is something which their male partners cannot prevent. What they can do, however, is ensure that no offspring ensue from…
A clearer view on biology
— 5 Mar 2007 18:12 | BiologyThe European Molecular Biology Laboratory (EMBL) has developed a new computational tool that makes images obtained with cutting-edge microscopes even sharper. The technological advance…
Lessons in wood formation from Arabidopsis
— 5 Mar 2007 07:00 | BiologyWood is formed from secondary xylem tissue consisting of cells with a heavily thickened secondary cell wall that is enriched in lignin and cellulose. In contrast, primary cell walls…