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Viruses, Bacteria & Protists, OH MY
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Parts of a virus Different kinds of viruses have different structures
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Parts of a virus A protein coat = capsid
But all viruses have: A protein coat = capsid Nucleic acid (DNA or RNA) genetic information
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How viruses reproduce Cannot multiply by themselves Use cells as hosts
Reprogram cell to create more viruses using their genetic code
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Let’s compare! PROKARYOTE EUKARYOTE No nucleus Nucleus Single-celled
No membrane-bound organelles Nucleus Single- or multi-cellular Membrane-bound organelles
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Prokaryote example BACTERIA!
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Prokaryote parts CAPSULE
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Prokaryote parts CELL WALL
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Prokaryote parts CELL MEMBRANE
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Prokaryote parts PILUS (PILI)
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Prokaryote parts NUCLEOID (DNA)
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Prokaryote parts RIBOSOMES
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Bacteria parts FLAGELLUM
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Protista Kingdom Review!
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Protista Kingdom Review! Eukaryote
Unicellular (sometimes multicellular) Auto-/heterotrophic
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Protist Parts Nucleus Mitochondria Chloroplasts (autotrophic only)
Flagellum Cilia Used for motility Pseudopods = also for engulfing food particles (heterotrophic) Contractile vacuole = water balance (osmoregulation) Eyespot = detecting light
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Protist Parts - euglena
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Protist Parts
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Protist Parts
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Protist Parts
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Protist Parts - paramecium
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Protist Parts - amoeba
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