Chapter 18 Bacteria and Viruses - Arabia Mountain High School

 Chapter 18 Bacteria and Viruses

Section 1: Bacteria

Section 2: Viruses and Prions

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Chapter 18 Bacteria and Viruses

18.1 Bacteria

Diversity of Prokaryotes

? Bacteria are microscopic organisms that are

prokaryotes.

? Prokaryotes are divided into two domains¡ªthe

Domain Bacteria (eubacteria) and the Domain

Archaea (archaebacteria).

Chapter 18 Bacteria and Viruses

18.1 Bacteria

Archaebacteria

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eubacteria

Eubacteria

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Chapter 18 Bacteria and Viruses

18.1 Bacteria

Eubacteria

? Very strong cell walls

? Contain peptidoglycan

? Some have a second cell wall

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