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Study Bacteria lecture notes PDF with microbiology definitions and explanation to study What are Bacteria?. Study bacteria explanation with microbiology terms to review microbiology course for online degree programs.

Bacteria Definition:

  • Procaryotes other than the Archaea. Less formally, the term is frequently used to describe all procaryotes.

    Essential Microbiology by Stuart Hogg



Bacteria Notes:

Bacteria are single-celled, microscopic organisms that can survive in multiple environments. These procaryotes are different to the other group of procaryotes i.e. archaea. They have a diverse habitat such as ocean, soil and even the human gut. Bacteria can be of an advantage to humans or they can be pathogenic and cause diseases.

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