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Algumas controvérsias sobre a origem da vida

2008, Química Nova

Abstract

Recebido em 6/8/07; aceito em 29/2/08; publicado na web em 13/8/08 SOME CONTROVERSIES ON THE ORIGIN OF LIFE. In the present paper some controversies on the origin of life are discussed. Did the first living beings on Earth have an autotrophic or heterotrophic origin? What did come first, genetic code or metabolism? Were cells invented early? What was the role of minerals regarding the origin of life?