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LESSON ON INFECTIOUS DISEASES
For my college prep biology I class at Harlem High School,
Columbia County, Georgia, I teach a unit on the agents of infectious
diseases. These agents include viruses, prions, bacteria, protists
- Viruses are noncellular agents of infection that are merely
nucleic acid wrapped with a protein coat.
- Prions are proteinaceous infectious particles with neither DNA
- Bacteria are unicellular, prokaryotic organisms that are the
most abundant organisms on earth.
- Protists are unicellular, eukaryotic organisms that are much,
much larger than bacteria.
- Fungi are unicellular or multicellular eukaryotic organisms
that are very common in the ecosystem but may be parasitic on
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