In addition to the nucleus, eukaryotic cells may contain several ... fashion to meet the overall needs of the cell. For example, biochemical reactions in a cell's mitochondria transfer energy ...

Planctomycetes challenge our concept of the bacterial cell and of a prokaryote as a cell structure type, as well as our ideas about origins of the eukaryote nucleus. Planctomycetes Are Important ...

“It’s probably only been 10 to 15 years that that’s really shifted.” Nowadays many eukaryotic examples are known, such as a plant gene that has crossed into insects. Most studies of this ...

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 ...

Editor’s Note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Plants, algae, fungi, and ...

Modern eukaryotic cells have proteins that enable chromosome segregation during cell division, new discoveries shed light on their origin in simpler prokaryotic organisms. Modern nucleated ...

and we believe there may be many more similar examples in the so far hidden diversity in the world of microbial eukaryotes--the protists," Karnkowska says. The researchers say they'd now like to ...