UGA BIOL 1108 - Bacteria and Archaea (5 pages)

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Bacteria and Archaea



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Bacteria and Archaea

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Pages:
5
School:
University of Georgia
Course:
Biol 1108 - Principles Bio Ii

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BIOL 1108 Edition 1nd Lecture 6 Outline of Last Lecture I Learning Objectives II Phylogenetic terminology III Homologies and Analogies IV Reading phylogenetic trees Outline of Current Lecture I Learning Objectives II Prokaryote vs Eukaryote III Archaea IV Bacteria V Phylogenetic Tree of Life Current Lecture I II Learning Objectives Know the defining features that distinguish eukaryotes and prokaryotes Be able to define the Archaea and know how to distinguish them from bacteria What role s do bacteria play in human biology ignore we did not get to this today What are the advantages and disadvantages of having a bacterial cell wall What is meant by antibiotic resistance and by what mechanisms can bacteria become resistant to antibiotics Prokaryote vs Eukaryote These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Prokaryotes These are typically organisms with no nucleus or major organelles within their cell Although they appear simple they can be biochemically and structurally very complex Includes Bacteria and Archaea Eukaryotes These are organisms with nuclei and cellular organelles sub cellular components with specialized functions such as mitochondria chloroplasts and cilia They include all animals plants fungi and protists III Both are considered to be single cells but the organization of bacteria and archaea is significantly less complex than in eukaryotes protists plants animals fungi In general the genomes of Bacteria and Archaea are smaller fewer genes less complexity and less DNA than those of Eukaryotes Archaea Bacteria and Archaea replicate by way of binary fission splitting into two The entire genome on a single chromosome duplicates and one copy is distributed to each of the daughter cells Cell membranes are chemically different from all other living things including a backwards glycerol molecule and isoprene derivatives in place of fatty acids Chemically



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