Multiple Choice
At approximately 41°C, which group of bacteria is most likely to stop growing due to exceeding their optimal temperature range?
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10. Dynamics of Microbial Growth
Temperature Requirements for Microbial Growth
Back10. Dynamics of Microbial Growth
Temperature Requirements for Microbial Growth
- Multiple ChoiceAt what temperature range do most bacteria begin to multiply rapidly?44views
- Multiple ChoiceIn which of the following circumstances would it be most appropriate to optimize temperature conditions for microbial growth?13views
- Multiple ChoiceAt around 41°C, bacterial growth typically stops because:17views
- Multiple ChoiceAccording to food safety guidelines, fresh meat must be delivered at what temperature or lower to prevent microbial growth?14views
- Multiple Choice
Which bacterial culture will have the highest growth rate?
1156views9rank - Multiple Choice
What is the optimum growth temperature of mesophiles?
1239views8rank - Multiple Choice
A thermophile or a hyperthermophile species would have thermo-stable proteins & enzymes that…
933views7rank - Multiple Choice
The temperature of a human body is anywhere from 35-40C. What type of pathogen can infect humans?
931views5rank - Textbook Question
By deep-freezing, bacteria can be stored without harm for extended periods. Why do refrigeration and freezing preserve foods?
623views - Textbook Question
Which of the following is true about the optimum growth temperature of most mesophiles?
a) They can grow well at 37^0C.
b) They are more likely to grow at refrigerator temperatures.
c) They can strive well in extremely high temperatures.
d) All of the above.
567views - Textbook Question
Which one of the following temperatures would most likely kill a mesophile?
a. -50℃
b. 0℃
c. 9℃
d. 37℃
e. 60℃
614views - Textbook Question
The thermal death time for a suspension of Bacillus subtilis endospores is in dry heat and less than in an autoclave. Which type of heat is more effective? Why?
641views - Textbook Question
If pasteurization does not achieve sterilization, why is pasteurization used to treat food?
662views - Textbook Question
Thermal death point is not considered an accurate measure of the effectiveness of heat sterilization. List three factors that can alter thermal death point.
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