Biology 1001A Lecture Notes - Lecture 3: Transfer Rna, Extremophile, Phosphodiester Bond
26 Jul 2013
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Evolution: -remarkable complexity of life resulting from a hierarchy of interactions. Life comes about or emerges from simpler organisms. Structure and functional complexity of living systems more than the sum of the parts: habitable zone = region of space around stars where the temperature would allow for liquid water. *primitive earth was a reducing atmosphere because of the. Presence of large concentrations of molecules (h2, ch3, nh4) Which contained an abundance of electrons and hydrogen. And would have entered reactions with one another that. Would yield large and more complex organic molecules: -didn"t produce polymers! 6. recall: protobiont = term given to group of abiotically produced organic molecules that are surrounded by membrane or membrane-like structure. Probionts could have formed spontaneously, and they are similar to liposomes (lipid vesicles forming a bilayer similar to cell membrane) Clay particles could catalyze polymerization of nucleic acids and accelerate formation of lipid vesicles.
