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Viruses, Bacteria & Protists, OH MY

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Presentation on theme: "Viruses, Bacteria & Protists, OH MY"— Presentation transcript:

1 Viruses, Bacteria & Protists, OH MY

2 Parts of a virus Different kinds of viruses have different structures

3 Parts of a virus A protein coat = capsid
But all viruses have: A protein coat = capsid Nucleic acid (DNA or RNA)  genetic information

4 How viruses reproduce Cannot multiply by themselves Use cells as hosts
Reprogram cell to create more viruses using their genetic code

5 Let’s compare! PROKARYOTE EUKARYOTE No nucleus Nucleus Single-celled
No membrane-bound organelles Nucleus Single- or multi-cellular Membrane-bound organelles

6 Prokaryote example BACTERIA!

7 Prokaryote parts CAPSULE

8 Prokaryote parts CELL WALL

9 Prokaryote parts CELL MEMBRANE

10 Prokaryote parts PILUS (PILI)

11 Prokaryote parts NUCLEOID (DNA)

12 Prokaryote parts RIBOSOMES

13 Bacteria parts FLAGELLUM

14 Protista Kingdom Review!

15 Protista Kingdom Review! Eukaryote
Unicellular (sometimes multicellular) Auto-/heterotrophic

16 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

17 Protist Parts - euglena

18 Protist Parts

19 Protist Parts

20 Protist Parts

21 Protist Parts - paramecium

22 Protist Parts - amoeba


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