Perhaps it’s the biggest question science has left to answer, how did life begin? Now, molecular biologists in Cambridge university have discovered tiny molecules of RNA which they say might provide some clues. Science journalist and author Philip Ball explains what we know and whether we’ll ever find the origins of life on earth.
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Different types of lipid molecule are transported around the cell by lipid-transfer proteins. Biochemical approaches have been adapted to measure which lipids are captured by the more than 130 known human lipid-transfer proteins, providing a valuable resource that reveals some principles of how these transporters work.
With additional reporting from Mark Poynting, Jonah Fisher, Miho Tanaka and Tom Ingham.，推荐阅读同城约会获取更多信息
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Readers respond to an interview with Beth Gardiner on how the oil industry is pumping billions more into plastics