1. 20:46 28th Jan 2012

    Notes: 267

    Reblogged from thebioguru

    Tags: sciencebiologybacteriamorphologyprokaryotesshape

    thebioguru:

    Prokaryote Shapes:

    Bacilli- rod shaped; ex: Escherichia coli

    Cocci- spherical

    1. Staphylococci- “clumps” in clusters like grapes; ex: Staphylococcus aureus
    2. Streptococci- “chains” of bacteria; ex: Streptococcus sp.
    3. Diplococci – 2 cocci adhered to one another; ex: Neisseria gonnorheae

    Spirilla– spiral-shaped with external flagella.

    Spirochaetes– spiral-shaped with internal flagella, gives them a boring action; ex: Treponema pallidum (Syphilis).

    Vibrio– comma-shaped bacteria; ex: Vibrio cholerae.

     
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