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Chapter Objectives
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After reading this chapter you should be able to:
  • list the ten elements that microorganisms require in large amounts (macronutrients/macroelements) and the six elements that they require in trace amounts (micronutrients)
  • list the major nutritional categories and give the source of carbon, energy, and hydrogen/electrons for each of the categories
  • compare the various processes (passive diffusion, facilitated diffusion, active transport, group translocation) by which cells can obtain nutrients from the environment
  • describe the various types of culture media for microorganisms (synthetic, complex, selective, differential) and tell how each is normally used in the study of microorganisms
  • describe the techniques used to obtain pure cultures (spread plate, streak plate, pour plate)

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