Steven Gollmer Cedarville University Complex Life: Page 1 HON-3230 Chance, Emergence or Design...
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![Page 1: Steven Gollmer Cedarville University Complex Life: Page 1 HON-3230 Chance, Emergence or Design Origin of Complex Life.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649f585503460f94c7cde9/html5/thumbnails/1.jpg)
Steven GollmerCedarville University
Complex Life: Page 1
HON-3230
Chance, Emergence or Design
Origin of Complex Life
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Steven GollmerCedarville University
Complex Life: Page 2
From a Simple Replicator• Life requirements
– Information storage– Replication– Metabolism
• Possible first replicators– Protein first world– RNA world– Lipid world– Metabolism first
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Steven GollmerCedarville University
Complex Life: Page 3
![Page 4: Steven Gollmer Cedarville University Complex Life: Page 1 HON-3230 Chance, Emergence or Design Origin of Complex Life.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649f585503460f94c7cde9/html5/thumbnails/4.jpg)
Steven GollmerCedarville University
Complex Life: Page 4
Metabolism Recapitulates Biogenesis
– Central Metabolic cycle (A)• Basic replication
• Pathway for fatty acid production
– Amino acid production (B)• Synthesis involving nitrogen
– Basis for protein structure (C)• Synthesis involving sulfur
– Basis for nucleic acid and coenzymes (D)• Synthesis involving ring closure
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Steven GollmerCedarville University
Complex Life: Page 5
Two Ways to Model the Essentials• Bottom-Up
(Modification by co-option)
• Top-Down (Interoperating components)
AB
COH
N
S
CD
A B
C D
COH
N
S
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Steven GollmerCedarville University
Complex Life: Page 6
Irreduceable Complexity• What are the
chances that all the components of a simple device come together in a functional manner?
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Critique of IC
• https://www.youtube.com/watch?v=4dQJzj2DMrA
• https://www.youtube.com/watch?v=K_HVrjKcvrU
Steven GollmerCedarville University
Complex Life: Page 7
![Page 8: Steven Gollmer Cedarville University Complex Life: Page 1 HON-3230 Chance, Emergence or Design Origin of Complex Life.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649f585503460f94c7cde9/html5/thumbnails/8.jpg)
Steven GollmerCedarville University
Complex Life: Page 8
Complexification of Cells• Autotrophs
– Photoautotrophs– Lithautotrophs
• Thermophilic autotrophic bacteria
• Heterotrophs– Need environmental organic compounds
• Prokaryotes– Circular DNA
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Steven GollmerCedarville University
Complex Life: Page 9
Beginning of Eukaryotes• Endosymbiosis
Theory– Lynn Margulis
• Presence of Organelles– Mitochondria
– Chloroplasts
• Nucleus– Contain genetic
material
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Steven GollmerCedarville University
Complex Life: Page 10
Additional Changes
• Animals vs. Plants– Cell membrane vs. cell wall– Plastids
• Origin of Sex– 2 fold cost over parthenogenesis– DNA repair mechanism– Mitosis vs. Meiosis
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Steven GollmerCedarville University
Complex Life: Page 11
Common Ancestry
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Steven GollmerCedarville University
Complex Life: Page 12
Molecular Ancester• DNA Mutation
– Molecular Phylogeny– Molecular Clock
• Prediction– Common animal 0.9 - 1.0 billion YBP
• Problem– Different trees for different indicators– Lateral Gene Transfer
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Steven GollmerCedarville University
Complex Life: Page 13
Cambrian Explosion
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Steven GollmerCedarville University
Complex Life: Page 14
Discontinuity
Actual
Punctuated Equilibrium
Darwinian Evolution
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Paper 3 – Synthetic Biology• Craig Venter
– Bacteria Genome Press Release (Handout)
– Web Site – http://www.jcvi.org/cms/home/
• Synthetic Biology– Web Site - http://syntheticbiology.org/
– Bio-Bricks - http://biobricks.org/
– iGEM Competition - http://www.igem.org/Main_Page
• Write an essay analyzing the benefit of synthetic biology and its value to the creationist community. (No false praise)
– Include 3 developments in this area with references to support your claims.
– 5 points are reserved for clarity and significance of your analysis.
Steven GollmerCedarville University
Complex Life: Page 15