control of microbial growth

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8 Terms

1
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optimal temp for psychrophiles

0 - 20°C

2
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optimal temp for mesophiles

12 - 45

3
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optimal temp for thermophiles

40 - 80 hot springs

4
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optimal temp for extreme thermophiles

65 - 113 deep sea hydrothermal vents

5
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most human pathogens are what type of organism ?

mesophiles - optimum temp 37

6
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what is pH ?

measure of conc. of H+ (hydrogen ions)

7
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pH of ammonia ?

11 - basic

8
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pH of sulphuric acid ?

1 - acidic