Chapter 27 Key Points Prokaryotes.

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Presentation transcript:

Chapter 27 Key Points Prokaryotes

Three Main Shapes Rod Spiral Spherical

Basic Structure

Motility

Capsules, Pili and Fimbriae

Gram Staining Gram Positive Gram Negative Peptidoglycan holds stain Little peptidoglycan to hold stain

Methods of Obtaining Energy Autotrophs Photoautotrophs Chemoautotrophs Heterotrophs Photoheterotrophs Chemoheterotrophs

Use of Oxygen in Metabolism Obligate aerobes Facultative anaerobes Obligate anaerobes

Crucial Roles of Prokaryotes Decomposers Symbiotic Relationships Pathogenic Relationships Food Production Bioremediation

Two Prokaryotic Domains Bacteria Archaea Table – p. 541

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