Microbiology of Foods
Which of the following is not true for the thermal resistance of the bacterial cells?

Cells low in lipid content are harder to kill than other cells
Bacteria that clump considerably or form capsules are difficult to kill
Higher the optimal and maximal temperatures for growth, higher the resistance
Cocci are usually more resistant than rods

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Microbiology of Foods
Examination of the presence / absence of organisms refers to

None of these
incubation of a food suspension in an enrichment medium followed by inoculation on to a non-selective medium.
incubation of a food suspension in an enrichment medium followed by inoculation on to a suitable selective medium.
incubation of a food suspension in an enrichment medium

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