3 This discovery implies that prokaryotes may have possessed more advanced cellular structures and functions than previously thought, potentially influencing how the first eukaryotic cells emerged.

the mere presence of a nucleus is considered one of the defining features of a eukaryotic cell. This structure is so important because it is the site at which the cell's DNA is housed and the ...

An international collaboration has published groundbreaking research, shedding light on the most significant increase in complexity in the history of life's evolution on Earth: the origin of the ...

Pilhofer and postdoctoral researchers Jingwei Xu and Florian Wollweber found that Lokiarchaeum ossiferum contains actin-like proteins—structures long associated with eukaryotic cells.

Their cell structure is simpler than the cells of animals ... Genetic material DNA in a nucleus, plasmids are found in a few simple eukaryotic organisms. DNA is a single molecule, found free ...

However, the structure of chromatin also appears to serve a second, possibly more important role, in that it gives eukaryotic cells the capability to exert complex levels of control over gene ...

Molecular biologist Dirk Remus studies how cells normally copy their DNA to better understand how the process goes wrong in cancer. G-quadruplex-stalled eukaryotic replisome structure reveals helical ...

Bacteria are amongst the simplest of organisms – they are made of single cells. Their cell structure is simpler than the cells of animals, plants and fungi.

Cell biology covers all aspects of the structure and function of eukaryotic cells. Students in this field study the integration at the cellular level of biochemical, molecular, genetic ...