Organisms that grow at refrigerator temperatures are called a frigiphiles b

Organisms that grow at refrigerator temperatures are

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8.Organisms that grow at refrigerator temperatures are called
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a.frigiphiles.b.mesophiles.c.psychrotrophs.d.psychrophiles.9.Organisms that do not require oxygen for growth but grow better in its presence are called10.Organisms that ignore oxygen and grow equally well in its presence or absence are called11.Organisms that are damaged by the normal atmospheric levels of oxygen (20%) but require oxygen at levels of lower percentage for growth are called12.Most microorganisms maintain their internal pHa.near their optimum growth pH.b.slightly acidic (pH 4–6).c.slightly alkaline (pH 8–10).d.near neutral (pH 7).13.Organisms that grow near deep-sea volcanic vents are likely to be14.A culture technique that encourages the growth of specific microbes while inhibiting the growth of others is a(n) ________ culture.a.enrichment15.What method was used to inoculate the plate shown here?16.Which of the following are a reason(s) for the decline in cell numbers during the death phase?
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17.What would be the best enumeration method for testing the purity of drinking water for a municipality?a.Direct microscopic countb.Membrane filtrationc.Plate countd.Most probable number
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