All living beings must have _____ for survival,find vin number online uk que,power electrical and lighting supply ferndale - Plans Download

19.07.2014
If You Are Depressed, You Are Living In The Past, If Your Are Anxious, You Are Living In The Future.
Researchers have found that the ancestor of ALL living BEINGS on Earth was a single-cell, bacterium-like organism that is estimated to have lived some 4 BILLION years ago when our planet was in its infancy, with an age of around 560 million years.
Now, thanks to a new study by a group of German researchers published in the “Nature Microbiology“, we are closer than ever to obtain a genetic portrait of the ancestor of all living things on our planet. According to the study, our first ancestor was a very simple organism and probably lived about 4,000 million years ago near a hydrothermal vent on the bottom of one of Earth’s primitive oceans.


To get to the bottom of this, the team led by William Martin, of the German Heinrich Heine University, focused on the genes of the two largest (and oldest) groups of unicellular organisms that exist: bacteria and archaea. The finding has “significantly advanced our understanding of what Luca did for a living,” James O. The 355 genes discovered by researchers suggests that LUCA was a very simple organism that could survive without oxygen, obtaining energy from carbon dioxide, hydrogen and other hot gasses expelled from Earth through fissures in the earth’s crust in the ocean floor. In addition to the above, LUCA also had an enzyme that allowed it to survive near very high temperatures, even several hundreds of degrees, and that made it dependent on metallic elements such as iron.


Similar organisms are still abundant today, and it is curious to think that their existence was considered as impossible by scientists until just forty years ago when it was still thought that all life forms needed light and oxygen in order to survive.



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