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How are the growth of microorganisms controlled by physical, chemical, mechanical, or biological means?

Topic

Metabolism

Framing Question

How are the growth of microorganisms controlled by physical, chemical, mechanical, or biological means?

Learning Objectives

  • Define the following: antibacterial spectrum, bacteriostatic, bactericidal, antibiotic synergism, and antibiotic antagonism.
  • Compare sterilization with pasteurization in terms of outcomes.
  • Compare ionizing radiation with UV radiation in terms of how they kill cells.
  • Predict the growth behavior of microbes based on their growth conditions, e.g., temperature, available nutrient, aeration level, etc.
  • Given a particular situation, present an argument for the best method (e.g., physical, chemical, biological, etc.) for controlling bacterial growth.
  • State the function of complement in the immune response.
  • Explain two strategies that are used in human food preparation to minimize microbial growth during storage.
  • Describe how the non-specific immune response works to inhibit microbial growth (e.g. fever, engulfment, inflammatory response).
  • Compare and contrast the role of cytotoxic and helper T cells in the specific immune response.
  • Explain how a vaccine can be used to elicit a long-term protective immune response.
  • Given a particular organism, develop an isolation scheme using selective media.

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