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Chapter 27 Key Points. Prokaryotes. Three Main Shapes. Rod Spiral Spherical. Basic Structure. Motility. Capsules, Pili and Fimbriae. Gram Staining. Gram Positive Peptidoglycan holds stain Gram Negative Little peptidoglycan to hold stain. Methods of Obtaining Energy.
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Chapter 27 Key Points Prokaryotes
Three Main Shapes • Rod • Spiral • Spherical
Gram Staining • Gram Positive • Peptidoglycan holds stain • Gram Negative • 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