L9-Ch16 Microbial Evolution and Systematics Flashcards
What cell structure was necessary for life to proceed from an RNA world to cellular life?
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How did early cells obtain energy?
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Describe early microbial metabolism on the earth.
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Why are 16S rRNA genes a good molecular clock?
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Understand how the study of 16S rRNA gene led to the discovery of the third domain of life.
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What are the necessary steps for creating a phylogenetic tree?
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Why are Eukarya phylogenetcially closer to archaea?
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Why is the species concept unsuitable for prokaryotes?
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How did the oxidation state of iron change in the early work and why was this important?
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Explain the different models of endosymbiosis.
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What evidence exists that eukaryotic mitochondria and chloroplasts were once free living bacteria?
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What does a phylogenetic tree represent?
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How are DNA sequences obtained for phylogenetic analysis?
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Why is a sequence alignment important for phylogenetic analysis?
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How does the universal tree of life support the theory of endosymbiosis?
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