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Chapter 27 Key Points

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

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  1. Chapter 27 Key Points Prokaryotes

  2. Three Main Shapes • Rod • Spiral • Spherical

  3. Basic Structure

  4. Motility

  5. Capsules, Pili and Fimbriae

  6. Gram Staining • Gram Positive • Peptidoglycan holds stain • Gram Negative • Little peptidoglycan to hold stain

  7. Methods of Obtaining Energy • Autotrophs • Photoautotrophs • Chemoautotrophs • Heterotrophs • Photoheterotrophs • Chemoheterotrophs

  8. Use of Oxygen in Metabolism • Obligate aerobes • Facultative anaerobes • Obligate anaerobes

  9. Crucial Roles of Prokaryotes • Decomposers • Symbiotic Relationships • Pathogenic Relationships • Food Production • Bioremediation

  10. Two Prokaryotic Domains • Bacteria • Archaea • Table – p. 541

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