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April 28, 2022 07:00 am
Original Link: https://science.slashdot.org/story/22/04/28/0255210/all-of-the-bases-in-dna-rna-have-now-been-found-in-meteorites?utm_source=rss1.0mainlinkanon&utm_me
All of the Bases In DNA, RNA Have Now Been Found In Meteorites
Space rocks that fell to Earth within the last century contain the five bases that store information in DNA and RNA, scientists report April 26 in Nature Communications. Science News reports: These "nucleobases" -- adenine, guanine, cytosine, thymine and uracil -- combine with sugars and phosphates to make up the genetic code of all life on Earth. Whether these basic ingredients for life first came from space or instead formed in a warm soup of earthly chemistry is still not known. But the discovery adds to evidence that suggests life's precursors originally came from space, the researchers say. Scientists have detected bits of adenine, guanine and other organic compounds in meteorites since the 1960s. Researchers have also seen hints of uracil, but cytosine and thymine remained elusive, until now.Read more of this story at Slashdot.
Original Link: https://science.slashdot.org/story/22/04/28/0255210/all-of-the-bases-in-dna-rna-have-now-been-found-in-meteorites?utm_source=rss1.0mainlinkanon&utm_me
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