Free BCAAâs are a little different in that they are. directly transported to the bloodstream through the. liver, while some exchange in the intestinal viscera and. go directly to the bloodstream also. Most all amino. acids can be degradated, broken down, in the liver. effectively, with the exception of BCAAâs.
They are the oldest form of life on earth. Microbe fossils date back more than 3.5 billion years to a time when the Earth was covered with oceans that regularly reached the boiling point, hundreds of millions of years before dinosaurs roamed the earth. Without microbes, we couldnât eat or breathe. Without us, theyâd probably be just fine.
Scientists discover potentially oldest signs of life on Earth â 3.5 billion-year-old microbe traces in rocks in Australia. Evidence of the complex microbial ecosystem was found in sedimentary rocks in the remote Pilbara region in Western Australia Photo: Alamy. By Jonathan Pearlman, Sydney. 9:13AM GMT 13 Nov 2013. Comments. Scientists have discovered possibly the earliest signs of life on Earth â remains of bacteria that are almost three-and-a-half billion years old â in a remote region of north-west Australia.