Microbial Growth and Its Control - Temperature Classes of Microorganisms

3 important questions on Microbial Growth and Its Control - Temperature Classes of Microorganisms

What is meant with cardinal temperatures?

  • The minimum temperature
  • The maximum temperature
  • The optimum temperature

What happens if the temperature is below the minimum temperature?

The membrane will start gelling and the transport is so slow that growth cannot occur.

What happens if the temperature is above the maximum temperature?

Protein denaturation and collapsing of the cytoplasmic membrane, causing thermal lysis.

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