Pavlov's Stepson

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.