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Explain various types of bacteria

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Explain various types of bacteria
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Meghna Thapar 5 years, 3 months ago

Bacteria are classified into 5 groups according to their basic shapes: spherical (cocci), rod (bacilli), spiral (spirilla), comma (vibrios) or corkscrew (spirochaetes). They can exist as single cells, in pairs, chains or clusters. Artwork of bacterial cells becoming resistant to antibiotics.

There are many different types of bacteria. One way of classifying them is by shape. There are three basic shapes.

  • Spherical: Bacteria shaped like a ball are called cocci, and a single bacterium is a coccus. 
  • Rod-shaped: These are known as bacilli (singular bacillus). Some rod-shaped bacteria are curved. These are known as vibrio. 
  • Spiral: These are known as spirilla (singular spirillus). If their coil is very tight they are known as spirochetes. 
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