Microbiology

Learn the toughest concepts covered in Microbiology with step-by-step video tutorials and practice problems by world-class tutors.

11. Controlling Microbial Growth

Physical Methods to Control Microbial Growth

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1

concept

Physical Methods to Control Microbial Growth

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Dry Heat

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Moist Heat

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Moist Heat:Pasteurization

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5
Problem

Pasteurization is what type of microbial control method?

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Low Temperatures

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Desiccation

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8
Problem

How does desiccation control microbial growth?

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Lyophilization

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Filtration

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High Pressure Processing

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Irradiation

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13
Problem

This method of physical microbial control combines the removal of all moisture with extremely low temperatures.

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Problem

How does irradiation control microbial growth?

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Problem

A heat-sensitive liquid in a laboratory has been contaminated with E. coli bacteria. Which form(s) of microbial growth control could you use to remove this E. coli population from the liquid?

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Problem

How does high pressure processing (HPP) control microbial populations?