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Microbiology

week 6

QuestionAnswer
a Toxic odorless gass often used as a sterilizing agent in hospital and dental officials is ethylene oxide
the time in minutes in which 90% of the bacterial population will be killed at a given temperature is called the decimal reduction time
High salt or sugar content/concentrations make use of __ to destroy or inhibit the growth of microorganizms osmotic pressure
the technique that combines freezing and drying to preserve microbes and other cells is lyophilization
Chlorine belongs to which of the following chemical groups Halogens
A culture that contains a single species of an organisms is a __ culture Pure
Which of the following is a general purpose medium tryptic soy agar
Nigrosin is a stain used in negative staining
bacteria that appear red after gram staining are said to be Gram- Negative
In correct sequences the five"i's" in microbiology stand for Inoculation, Incubation, isolation, Inspection, and Identification
Created by: Lightnning54
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