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BIOA01H3 (699)
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Department
Biological Sciences
Course
BIOA01H3
Professor
Bebhinn Treanor
Semester
Fall

Description
Course Key: CM-9780176628987-0000010 How did life on earth originate? 4.5 billion years ago: - severe volcanic and tectonic activity - intense ultraviolet energy from the sun - no oxygen existed in the atmosphere until photosynthesis developed in microbes - no life existed Origin of Life on Earth - Chemical and physical processes on early Earth produced simple cells with the characteristics of living organisms - Speculate that Life formed in four main stages: 1. Abiotic Synthesis small organic molecules (monomers) are synthesized 2. Polymerization  monomers join to form polymers 3. Protobionts  polymers are packaged into protobionts (membranes) that could maintain distinct internal chemistry 4. Store info/ Guide synthesis  a system exists that can store info and use this info to guide synthesis. 1. Abiotic Synthesis
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