Part F - Microbial control using temperature Microbes are found at a wide range

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Part F - Microbial control using temperature

Microbes are found at a wide range of temperatures, from the cold in the Antarctic to hot springs like those at Yellowstone National Park. In the introductory passage, B. subtilis is discussed because it has been used as a model organism. B. subtilis is a bacterium normally found in the human gut and can sometimes cause disease. An autoclave is often used at a temperature of 121

Part F - Microbial control using temperature Microbes are found at a wide range of temperatures, from the cold in the Antarctic to hot springs like those at Yellowstone National Park. In the introductory passage, B. subtilis is discussed because it has been used as a model organism. B. subtilis is a bacterium normally found in the human gut and can sometimes cause disease. An autoclave is often used at a temperature of 121 A degree C, which is close to the maximum temperature for most Archaea (122 A degree C). What is likely to be an optimal temperature for the growth of B. subtilis? Choose all the correct answers. Choose all the correct answers. B. subtilis is considered a hyperthermophile. B. subtilis is considered a thermophile. The optimal temperature for the growth of B. subtilis is 36-38 A degree C. The optimal temperature for the growth of B. subtilis is 120 A degree C. The optimal temperature for the growth of B. subtilis is 4 A degree C. B. subtilis is considered a mesophile. B. subtilis is considered a psychrophile The optimal temperature for the growth of B. subtilis is 50 A degree C.

Explanation / Answer

Correct answers are:

Reason:Bacillus subtilis usually prefers mesophilic temperature range for its growth. The optimal temperature is between 36-38 degrees Celsius.

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