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Types of nutrients

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Reference no: EM131670494

Select one of the following and discuss:

  • Types of nutrients (essential, micro, macro and trace elements)
  • Carbon-based nutrition types: heterotroph, autotroph, phototroph, chemotrophs
  • Chemical analysis of cell contents
  • Methanogens
  • Saprobic microbes
  • Parasitic microbes
  • Diffusion vs. Osmosis
  • Facilitated diffusion
  • Temperatures: psychrophile, mesophile, thermophile
  • Gas requirements: obligate aerobes, obligate anaerobes and facultative anaerobes (+ examples)
  • Microaerophiles vs. aerotolerant anaerobes
  • Capnophiles
  • pH: neutrophiles, acidophiles and alkalinophiles
  • osmotic pressure: halophiles and osmotolerant
  • barophiles
  • Relationships: symbiosis, mutualism, commensalism (do not do parasitism - covered as another topic)
  • Synergism and antagonism
  • Interactions between microbes and humans
  • Biofilms--quorum sensing
  • Basis of population growth: binary fission
  • Generation time-exponential
  • Steps of Growth curve (visual on page 210)
  • Other methods to analyze population growth (direct count, automated counters, turbidity)

Reference no: EM131670494

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