Sentences with phrase «eukaryotic forms»

Taking a species from its eukaryotic form to its fully functioning world - dominating one took a mere three hours and, once you reached the most evolved form, mostly just puttered from one similar - looking planet to the next.

Not exact matches

The consensus on the evolution of primitive life is that simple life forms (prokaryotes, organisms whose cells lack a distinct nucleus) inhabited the Earth about 3 - 4 billion years ago, eukaryotic cells (those with a nucleus which contains the genetic material) emerging 2 - 3 billion years ago.

«The key unanswered question here concerns when on the eukaryotic line the eukaryotic type of cell formed.

In previous studies, the same group along with others had demonstrated that microRNAs (miRNAs) produced by eukaryotic cells and viruses are present in human blood in highly stable, cell - free forms and these so called circulating miRNAs can serve as non-invasive biomarkers for the early diagnosis of various diseases, including viral diseases.

Unlike traditional eukaryotic cells — i.e. all cells with a nucleus — cryptophyte cells resemble a Russian doll in the form of an alga within an alga.

These have provided insight into the roles that marine bacteria, archaea, viruses and eukaryotic microbes have as global primary producers that provide nutrition at the base of the food chain; remineralization (the transformation of organic molecules into inorganic forms); and the deposition of carbon on the sea floor.

A Snowball to Acidic Hothouse swing would have greatly added to already high evolutionary pressures from anaerobic extinctions through genetic isolation of selective survival adaptations and may have led singled - celled eukaryotic organisms to cooperate together physically and form the first multi-cellular lifeforms.

I discovered that hopanoids interact with glycolipids in bacterial outer membranes to form a highly ordered bilayer in a manner analogous to the interaction of sterols with sphingolipids in eukaryotic plasma membranes (Saenz et al., 2015).

Several eukaryotic parasites form cysts that transmit infection.

The starting point of my new interest were two fundamental questions: Why do eukaryotic organisms invest that much energy into synthetizing a dazzling array of lipids, when only one lipid is sufficient to form a functional membrane bilayer?

Eukaryotic cells use energy in the form of a chemical molecule called ATP (adenosine triphosphate).

Eukaryotic chromosomes contain both DNA and protein, tightly associated to form a substance called chromatin.