According to scientists, the world is split into two kinds of organisms — prokaryotic vs. eukaryotic — which have two ...

and they are believed to have originated back when all living things on Earth were single-celled organisms. At that time, some larger eukaryotic cells with flexible membranes "ate" by engulfing ...

Study uncovered evidence of diverse species living 800 million years ago, revealing early evolution and suggesting life ...

How did eukaryotic organisms become so much more complex than prokaryotic ones, without a whole lot more genes? The answer lies in transcription factors. Experiments have shown that TFs can bind ...

A recent study suggests that by the Neoproterozoic period, distinct lineages of amoebae, as well as the ancestors of plants, ...

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 ...

Fossil evidence of how the earliest life on Earth came to be is hard to come by. But scientists have come up with a few ...

In a new account of exquisitely preserved microfossils, researchers at UC Santa Barbara and McGill University reveal that ...

ABOVE: Researchers have identified a nitrogen-fixing organelle known as a nitroplast. Here, it is seen at the opposite end of ...

Scientists at St. Jude Children's Research Hospital have revealed how Fanzor2's divergence from bacterial ancestors may make ...

Scientists at St. Jude Children’s Research Hospital revealed how Fanzor2’s divergence from bacterial ancestors may make it a ...