Tree of life with one branch fewer In recent years ... within a cell and the segregation of chromosomes during cell division The origin of these microtubules has been unclear -- until now.

This would reduce the number of domains of life from three to two ... a cell and the segregation of chromosomes during cell division The origin of these microtubules has been unclear—until ...

This link is the initial passage from inorganic matter to the primordial cell and its evolution — the origin of life. If it everproves possible to recreate in the laboratory the prebiotic ...

giving an insight into the origin of life and the singular origin of complexity. Why do virtually all cells "breathe" by pumping protons (hydrogen ions) across a membrane? According to molecular ...

Soda lakes might hold the key to the emergence of life on Earth. These unique environments could have concentrated the ...

after the origin of life itself. —Daniel Mills, Ludwig-Maximilians-Universität München During this time, some of the defining characteristics of modern eukaryotic cells—the nucleus, mitochondria, ...

Along with nitrogen and carbon, phosphorus is an essential element for life on Earth. It is a central component of molecules such as DNA and RNA, which serve to transmit and store genetic information, ...

Tiny magnetic bacteria that live in tightly bound groups are showing scientists how life might have evolved complex, multicellular forms. These rare bacteria can’t survive alone – they depend on one ...

Humans like to think that being multicellular (and bigger) is a definite advantage, even though 80% of life on Earth consists ...