In addition to the nucleus, eukaryotic cells may contain several other types of organelles, which may include mitochondria, chloroplasts, the endoplasmic reticulum, the Golgi apparatus ...

The origin of eukaryotes: a reappraisal. Nat Rev Microbiol 8, 395–403 (2007) doi:10.1038/nrg2071. Dolan, M. F. & Margulis, L. Advances in biology reveal truth about prokaryotes. Nature 445 ...

For most genes, proteins are the athletic embodiment of these professional activities. Our task as agents then ... There are, of course, the standard prokaryotic, yeast and mammalian leagues. Within ...

Scientists propose that the eukaryotic branch of this family tree formed when two prokaryotes, an ancient bacterium and archaeal cell, merged, forming a symbiotic relationship maintained over time. 1 ...

Genetic material DNA in a nucleus, plasmids are found in a few simple eukaryotic organisms. DNA is a single molecule, found free in the cytoplasm; additional DNA is found on one or more rings ...