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Biology 113 
Fall 2001 

Lecture outline 4
9/3/01 
 

How did monomers form into polymers?

  • Polymers form by condensation reactions
  • Breakdown of polymers is by hydrolysis
  • Problem of non-specific polymerization
  • Possibility of polymerization on a substrate (clay?, pyrite?)
The origin of a replicator (a molecule or group of molecules that can reproduce itself)
  • The current relationship between DNA, RNA, and proteins (Central Dogma)
  • Artificial replicator experiments
  • The RNA world.
Three domains of life
  • eukaryotes
  • eubacteria
  • archaea
     

 
 
 
 

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