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TTU Microbiology Lab Exam Questions & Answers (Grade A+)a.docx

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TTU Microbiology Lab Exam Questions & Answers (Grade A+)

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TTU Microbiology Lab Exam
Questions & Answers (Grade A+)a
what objective lens on your microscope as the largest field of view?
-
correct answer ✅4x


in Escherichia coli O157:H7 which indicates species? -
correct answer ✅coli


which of the following makes your field of view appear brighter?
raise the condenser
lower the condenser
open iris diaphragm
close iris diaphragm
increase the wavelength of illumination
increase the refractive index -
correct answer ✅increase the wavelength of illumination
raise the condenser
open iris diaphragm


What is the function of immersion oil? -
correct answer ✅It refracts less light

, TTU Microbiology Lab Exam
Questions & Answers (Grade A+)a
A negative stain uses what type of dye? -
correct answer ✅acidic dye


Staphylococci -
correct answer ✅


Streptococcus -
correct answer ✅




What bacterial Genus forms endospores? -
correct answer ✅Bacillus
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