Biology 113
Fall 2001
Lecture outline 4
9/3/01
How did monomers form into polymers?
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Polymers form by condensation reactions
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Breakdown of polymers is by hydrolysis
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Problem of non-specific polymerization
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Possibility of polymerization on a substrate (clay?, pyrite?)
The origin of a replicator (a molecule or group of molecules that can reproduce
itself)
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The current relationship between DNA, RNA, and proteins (Central Dogma)
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Artificial replicator experiments
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The RNA world.
Three domains of life
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eukaryotes
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eubacteria
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archaea
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