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Bacteria & Archaea (Prokaryotes (Three common shapes (spirilla,…

- - - - Exotoxins
        
        are secreted and cause disease even if prokaryotes that released them are not present
      - Endotoxins
        
        are released only when bacteria die and their cell walls break down
- - - - archaea contain polysaccharides and protein but lack peptidoglycan (Gram Negative)
- - - - Respiratory Membrane
    - - Thylakoid Membranes
  - - - Cells containing F plasmid are donors while cells without F plasmid are recipients
    - - used to transfer genetic material
      - Mating Bridge
- - - - Cyanobacteria- Generate O2
    - - Decomposers
        
        some prokaryotes break down dead organisms and waste products
  - - - poisoned by oxygen and live by fermentation or use other substances to complete anaerobic respiration
    - - require oxygen for cellular respiration
    - - can use oxygen for respiration or use fermentation or anaerobic respiration if oxygen is not present
  - - - converting atmospheric nitrogen(N2) into ammonia(NH3)
    - - Nitrogen fixing cells
- - - - Nutritionally diverse. other members include aquatic species and pathogens
    - - Autotrophic members include sulfur bacteria, some hetetrophs are pathogenic.
    - - Many associated with eukaryotic hosts
    - - Example: bdellovibrios
    - - Most are pathogenic
- - - - Commensalism
        
        One benefits while the other is neither harmed nor helped
      - Parasitism
        
        One organism(Parasite) harms, but does not kill the host
        
        Parasites that cause disease are called pathogens
        
        Chlamydias
        
        Some spirochetes
      - Mutualism
        
        Both mutually benefit from interaction
- - - - Live in highly saline environments
    - - Live in extreme temperatures