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1. Bacteria Prokaryotes - which are single-celled organisms that lack a nucleus and membrane bound organelles
Two kingdoms:
Eubacteria - Contains peptidoglycan and are most commonly found.
Archaebacteria – no peptidoglycan and live in extreme environments
2. Typical Bacteria Structure
3. Bacteria Shapes Bacilli - rod-shaped prokaryotes Cocci – spherical or circle shaped. Spirilla - spiral shaped prokaryotes