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Microbiology, Fifth Edition
Microbiology, 5/e
Lansing M Prescott, Augustana College
Donald A Klein, Colorado State University
John P Harley, Eastern Kentucky University

The Archaea

Chapter Objectives

After reading this chapter you should be able to:
  • discuss the morphological and physiological diversity of the archaea
  • discuss the difference between the cell walls of archaea and those of bacteria
  • describe the lipid composition of archaeal cell membranes
  • discuss the general genetic, molecular, and metabolic characteristics of the archaea
  • discuss the habitats that are typical for the archaea
  • discuss the classification scheme for the archaea that will be used in the 2nd edition of Bergey's Manual
  • discuss the unique cofactors used by methanogenic and sulfate-reducing archaea
  • describe the structural, chemical, and metabolic adaptations that allow the archaea to grow in extreme environments