EVOLUTION
THE ORIGIN OF LIFE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Detailed explanation-1: -The oldest meteorite specimens are remnants of the very first geologic processes to occur in our solar system 4.6 billion years ago.
Detailed explanation-2: -Science News headlines, in your inbox Scientists have detected bits of adenine, guanine and other organic compounds in meteorites since the 1960s (SN: 8/10/11, SN: 12/4/20). Researchers have also seen hints of uracil, but cytosine and thymine remained elusive, until now.
Detailed explanation-3: -Published in the journal Science Advances on Wednesday, the study reveals that extraterrestrial rocks may have brought vital chemical components – such as water – to our planet billions of years ago, establishing the oceans and all life on Earth.
Detailed explanation-4: -Meteorites could have been responsible for delivering the basis of life’s genetic code. Analyses of three meteorites suggest that nucleobases, the crucial components of DNA, could have formed in space and then fallen to Earth to provide the raw material for the origin of life itself.