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Unformatted text preview: 3) Once you have a polymer, how do you get a cell? a) Hypothesis is that some polymers aggregated and formed an environment that was different than the external environment. i) In the lab, can create liposomes – spontaneously form a sort of lipid bilayer, they eat smaller liposomes, selectively allow certain molecules in, also divide to form a sort of daughter cell. b) Need hereditary material so the characteristics can be passed on. DNA – RNA – Proteins i) DNA is capable of info storage, but they are not capable of catalytic activity. Proteins can experience exquisite catalytic activity, but they cant self replicate. ii) Probably original material was RNA. DNA is more stable than RNA. c) RNA is capable of storage and catalytic activity. Since RNA is single stranded, its 3D structure isn’t as limited as DNA. 4)...
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This note was uploaded on 02/09/2012 for the course BIOL 104 taught by Professor Smith during the Spring '09 term at Arkansas State.
- Spring '09