The standard eukaryotic cell cycle consists of four phases ... regulation converged when scientists realized that different model organisms shared the same molecules. See how data from frogs ...

“Our model is one potential model—it may be wrong ... offering new clues about the relationship between these microbes and the rise of early eukaryotic cells, many researchers tell The Scientist it’s ...

The Golgi apparatus transports and modifies proteins in eukaryotic cells. How have scientists studied ... These observations suported the vesicular transport model originally developed and ...

Asgard archaea emerged as a key piece in the puzzle of how complex life evolved, acting as a potential link between simple archaea and eukaryotes—organisms like plants and animals whose cells contain ...

Eukaryotic cell DNA in a nucleus, plasmids are found in a few simple eukaryotic organisms. Prokaryotic cell DNA is a single molecule, found free in the cytoplasm; additional DNA is found on one or ...

In addition to exporting materials out of the nucleus, the protein, called Exportin-1 (also called Xpo1 or Crm1), seems to play a role in promoting gene transcription, the process that creates RNA ...