![]() ![]() DiplococciĮxamples: Streptococcus pneumoniae, Moraxella catarrhalis, Neisseria gonorrhoeae, etc. These group characteristics are often used to help identify certain cocci. Cocci may remain attached after cell division. Cocci may be oval, elongated, or flattened on one side. A special group of spirilla known as spirochetes are long, slender, and flexible.Ĭocci bacteria can exist singly, in pairs (as diplococci ), in groups of four (as tetrads ), in chains (as streptococci ), in clusters (as stapylococci ), or in cubes consisting of eight cells (as sarcinae). Many spirilla are rigid and capable of movement.
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