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Bacteria and Viruses (Bacteria (Domain (Archaebacteria (thermoacidophiles,…
Bacteria and Viruses
Bacteria
Domain
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Differences
- Cell walls. (eubacteria: peptidoglycan)
- Different lipids in plasma membranes
- Different ribosomal proteins and RNA.
Identification
Shape
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Spirochetes: spiral-shaped prokaryotes, or spirilli
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Virus
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Retroviruses
- Capsid.
- Lipid envelope
- RNA
- Reverse transcriptase
Ex. HIV
- outer capsid, made of proteins
- genetic material. could be DNA or RNA, never both.
Prions
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- Transmissible spongiform encephalopathies (TSE).
- mad cow disease
- Creutzfeldt-Jakob disease (CJD) , scrapie
- chronic wasting disease
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