Microbial Growth in Food
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Questions and Answers

What factors influence microbial growth in food?

  • pH and water activity
  • Temperature and humidity
  • Intrinsic and extrinsic factors (correct)
  • Nutrients and gas

    • What does 'µ' represent in the exponential growth equation for microorganisms?

  • Starting cells
  • Number of cells
  • Growth rate (correct)
  • Duplication time

    • How can microenvironments within food affect microbial growth?

  • Increase the temperature
  • Alter the water activity
  • Create pH gradients and nutrient variations (correct)
  • Change the gas composition

    • What is the primary focus of preserving food for safety?

    <p>Modifying and controlling intrinsic and extrinsic factors</p> Signup and view all the answers

    What characterizes the intrinsic factors that influence microbial growth?

    <p>They derive from the composition and structure of the food</p> Signup and view all the answers

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