Question Completion Status: In lab, Tom was given a mixed culture. His objective

Question

Question Completion Status: In lab, Tom was given a mixed culture. His objective is to isolate single colonies. What should be used to accomplish this goal? O Sterile swab, loop dilution, TS Hockey stick, spread plate technique, and 4 degree Celsius incubation temperature O Loop dilution, TSA, hockey stick, 37 degree Celsius incubator O Inoculating loop, incinerator, streak plate method, 37 degree Celsius incubator Sterile swab, streak plate method, 37 degree Celsius incubator QUESTION 2 The bending of light rays as they pass from one medium to another is called refraction. O True O False QUESTION 3 r is selective for which bacterial genus? O Salmonella O Streptococcus Neisseria Staphylococcus Escherichia QUESTION Which type of media can be used to determine if a bacteria is motile? SIM MacConkey Enriched media

Explanation / Answer

1. Inoculating loop, incinerator, streak plate method, 37 degree Celsius incubator

Streak plate allows for isolated colonies of the different strains of microbes in the mixed culture.

2. True

3. Staphylococcus

4. SIM

SIM (Sulfide, Indole, Motility) media is used to determine if a bacteria is motile through techniques such as hanging drop and wet mount slide.

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