A Brief History of Microbiology Learning Outcomes
A Brief History of Microbiology Learning Outcomes
A Brief History of Microbiology Learning Outcomes
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Slide 7<br />
Slide 8<br />
• Prokaryotes<br />
• No nucleus<br />
• Bacteria<br />
– Peptidoglycan cell wall<br />
• Archaea<br />
– Cell walls NOT peptidoglycan<br />
• Eukaryotes<br />
• All have nuclei<br />
• Fungi<br />
– Cell wall chitin<br />
• Algae<br />
– Cell wall cellulose; photosynthetic<br />
• Protozoa<br />
– Unicellular; lack cell wall<br />
• Helminths<br />
– Multicellular animals<br />
Diversity <strong>of</strong> Life<br />
• Viruses are NOT classified<br />
as organisms<br />
• NOT composed <strong>of</strong> cells<br />
• NO independent metabolism<br />
• Incapable <strong>of</strong> growth or<br />
reproduction on their own<br />
• BUT do possess genes<br />
(either RNA or DNA) and<br />
evolve (rapidly) by Natural<br />
Selection<br />
• Influenza virus mutates so<br />
that an ‘annual flu shot’ is<br />
required<br />
Viruses<br />
Reconstructed 1918<br />
H 1 N 1 influenza virus<br />
Biol 240 S06 7<br />
Biol 240 S06 8<br />
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