Ciencias,UNAM

Browsing by Subject "origin of life"

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Browsing by Subject "origin of life"

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  • Hyperthermophily and the origin and earliest evolution of life
    Islas Graciano, Sara Ernestina; Velasco, AM; Becerra Bracho, Arturo Carlos ll; Delaye, L; Lazcano Araujo Reyes, Antonio Eusebio (2003)
    The possibility of a hightemperature origin of life has gained support based on indirect evidence of a hot. early Earth and on the basal position of hyperthermophilic orizanisms in rRNAbased phylogenies. However, although ...
  • Replication ratchets: polymer transport enhanced by complementarity
    Cocho, G; Cruz, A; Martínez-Mekler, G; Salgado-García, R (2003)
    We show that a rudimentary model of two complementary polymer chains confined to a quasi-one-dimensional geometry, each one interacting separately with a fixed particle via a ratchet potential, can be reformulated in terms ...
  • The origin of life did it occur at high temperatures?
    Miller, SL; Lazcano Araujo Reyes, Antonio Eusebio (1995)
    A hightemperature origin of life has been proposed, largely for the reason that the hyperthermophiles are claimed to be the last common ancestor of modern organisms. Even if they are the oldest extant organisms, which is ...