Word: primogenitor
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Dates: during 1950-1959
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...that the organism can make replicas of itself, taking as building materials the simpler molecules in the medium around it. The first organism to pass this divide between the living and the inert may have been a single complex molecule or a large cluster of them. This tiny, nameless primogenitor of all living matter may have used some primitive kind of photosynthesis to reproduce itself. Or perhaps it merely picked up smaller molecules in a series of random accidents. Dr. Calvin does not know...
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