Results 271 to 280 of about 174,381,677 (307)
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After the origin of life

Acta Biotheoretica, 1961
As to the primary morphogenesis which occurred after the origin of life, two conditions are considered. The above conditions are satisfied by the morphogenetic polarity.
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Bioceramics and the origin of life

Journal of Biomedical Materials Research, 1989
AbstractCreation of life involves establishing an organism that is capable of self‐maintenance, self‐reproduction, and adjustment to a changing environment. A Bioactive Substrate Theory of the origin of life is proposed, where the function of the bioactive substrates was to achieve the irreversible ordering of macromolecules into replicative structures.
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Actinides and Life's Origins

Astrobiology, 2007
There are growing indications that life began in a radioactive beach environment. A geologic framework for the origin or support of life in a Hadean heavy mineral placer beach has been developed, based on the unique chemical properties of the lower-electronic actinides, which act as nuclear fissile and fertile fuels, radiolytic energy sources, oligomer
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The Origin of Life on the Earth

Scientific American, 1994
Growing evidence supports the idea that the emergence of catalytic RNA was a crucial early step. How that RNA came into being remains unknown.
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Photosynthesis and the Origin of Life

Origins of life and evolution of the biosphere, 1998
The origin and evolution of photosynthesis is considered to be the key to the origin of life. This eliminates the need for a soup as the synthesis of the bioorganics are to come from the fixation of carbon dioxide and nitrogen. No soup then no RNA world or Protein world.
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Origin of Life

Science, 1959
S L, Miller, H C, Urey
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The Origin of Life

Perspectives in Biology and Medicine, 1960
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Chemobrionics and the Origin of Life

2020
ALIFE: The 2019 Conference on Artificial Life, in Newcastle (U.K.), 29tj july 2nd agust ...
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