Biology 2581B Lecture Notes - Lecture 2: Multicellular Organism, Archaea, Chloroplast
7 May 2019
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Genome: genetic instructions for organism: rna or dna (mostly, copied during replication (unit it of hereditary) 3 domains: our genome originally rna but evolved to dna. Due to last universal ancestor have dna genome: mutations cause branch points (beneficial ones increase in population) Virus: genomes small so don"t know a lot of info. All life forms related if humans weren"t like anything else, everything we want to know would have to be tested in humans. Findings for 1 organism functions can often be applied to others apart of lineage. Can take genes from one organism and have them function in another. Eukaryogenesis: go from single cell organism (characteristic of prok) up to multicellular organism (has characteristic of eukary) what happened in between: piece of bacteria became part of ancestry lineage (alpha-protobacteria) Endosymbiosis event b/w bac and proto-eukaryotic host (similar modern archaea)
