Microbiology General 870f5483

Z-value of an organism:

The time required to kill 90% of cells at a particular temperature

The time required to kill all cells at a particular temperature

Is the temperature change required for the D-value to change by a factor of ten

Is the temperature change required for the D-value to change by a factor of five

High-Yield Explanation

Ans. C. Is the temperature change required for the D-value to change by a factor of tena. D value of an organism is the time needed at a certain temperature to kill 90% of the organisms in the medium,b. Z-value of an organism is the temperature change required for the D-value to change by a factor of ten

Z-value of an organism:

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