L2 - Prebiotic building blocks self replicating systems!...

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1 Prebiotic building blocks self replicating systems Complementarity • chemical • geometrical Evolution
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2 Association with membranes
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3 Transport Biosynthesis of building blocks Generation of energy Biosynthesis of membranes Problems need to be solved after association with membranes Selection for systems that copy themselves faster
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4 Cellular architecture 1. Prokaryotes 2. Eukaryotes (Viruses)
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5 Prokaryotes Small (1-10 μm) Simple No nucleus No organelles Unicellular Three shapes Cocci Bacilli Spirilla archaea (archaebacteria) eubacteria
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6 Prokaryotes come in three shapes
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7
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8 Eukaryotes • Larger (10-100 μm) • More complex • Organelles • Cytoskeleton • Unicellular or multicellular Nucleus Endoplasmic reticulum Golgi apparatus Lysosomes Peroxisomes Mitochondria Chloroplasts Organelles
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9
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10
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11 (Biological) Evolution: primordial life form diversity Live arose once
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Are all living organisms related? Biochemically they look alike
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This note was uploaded on 05/07/2011 for the course CHEM 365 taught by Professor Huxford during the Spring '08 term at San Diego State.

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L2 - Prebiotic building blocks self replicating systems!...

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