FOOD PROCESSING AND PRESERVATION
FOOD PRESERVATION METHODS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What do microbes need in order to survive?
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cold temperature, air, nutrients, moisture
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air, carbon dioxide, water, nutrients
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nutrients, air, optimum temperature, moisture
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Air, hot temperature, carbon dioxide, moisture
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Explanation:
Detailed explanation-1: -Like all other organisms, bacteria need water to survive, but the surfaces of leaves experience daily changes in moisture, tending to be much wetter at night than during the day.
Detailed explanation-2: -Microbial growth requires suitable environmental conditions, a source of energy, and nourishment. These requirements can be divided into two categories, physical and chemical.
Detailed explanation-3: -The considered OGTs range from 2 to 52.5°C in plastid species, from 22.5 to 114°C in archaea, and from 7 to 85°C in bacteria (ref. to the Supplementary Spreadsheet) (). Usually, the growth temperature range is much wider than the range of optimal temperatures.
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