What are the 3 shapes of bacteria?
Spherical (round), rodlike, spiral shaped.
The three shapes of bacteria are cocci, bacilli, and spirilla.
1. Cocci: These bacteria are spherical or ball-shaped. They may exist singly or in clusters. Some cocci have a capsule, which forms a thick, protective layer around the cell.
2. Bacilli: These bacteria are rod-shaped and can exist singly or in chains. They can have a single flagellum, multiple flagella, or no flagella at all.
3. Spirilla: These bacteria are spiral-shaped and may have one or more flagella. They can be rigid or flexible in nature. Some examples of spirilla include Treponema pallidum (causative agent of syphilis) and Borrelia burgdorferi (causative agent of Lyme disease).
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