About 4 billion years ago, Earth began to show signs of the conditions that allowed the first cells to take hold and populate ...

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.

some of the defining characteristics of modern eukaryotic cells—the nucleus, mitochondria, cytoskeleton, cell membrane, and chloroplasts, among others—made their debut. These occurred between the ...

The first eukaryotic cells appeared around ... Multicellular morphologies have evolved over 50 times in the history of life on Earth, across both pro- and eukaryotic lineages. Indeed, some ...

Asgard archaea may have led to the evolution of eukaryotic life ETH Zurich researchers identify actin and microtubule ...

Planctomycetes challenge our concept of the bacterial cell and of a prokaryote as a ... Archaebacteria (Archaea) and the origin of the eukaryotic nucleus. Curr Opin Microbiol 8, 630–637 (2005 ...

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 ...