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MICR 290 Lab (Microbiology Laboratory) Week 1 Lab Report (Lab Safety and Use of The Microscope) NEWEST 2025/2026 ACTUAL EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+||BRAND NEW!!

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MICR 290 Lab (Microbiology Laboratory) Week 1 Lab Report (Lab Safety and Use of The Microscope) NEWEST 2025/2026 ACTUAL EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+||BRAND NEW!!

Institution
MICR290
Course
MICR290

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MICR 290 Lab (Microbiology Laboratory)
Week 1 Lab Report (Lab Safety and Use
of The Microscope)

70% - ANS-Common dilution of ethanol or isopropyl alcohol in laboratory use.

70% Alcohol - ANS-Most generally used disinfectant in a laboratory.

Budding Cells Yeast - ANS-What kind of microorganism is a Saccharomyces cerevisiae?

Common PPE - ANS-Include:
o Lab Coat
o Gloves
o Safety Goggles
o Face Mask
o Chemical Apron

Compound Binocular Light Microscope - ANS-Common laboratory microscope.

Ethanol or Isopropyl Alcohol - ANS-Type(s) of alcohol used to smooth the surfaces in a
laboratory.

High Power - ANS-40X x 10X = 400X

Initial Measurement x Total Lens Magnification - ANS-Formula to discover the dimension of a
specimen underneath the microscope.

Ex: A bacterium that is 2 micrometers long is what number of millimeters below the 40X goal
lens?

2 µm x 400 = 800 µm → 0.8mm

Laboratory Safety Habits - ANS-o Do no longer contact face or mouth.
O Disinfect the workspace.
O Wash palms regularly even after sporting gloves.

Low Power - ANS-10X x 10X = 100X

Objective Lens x Ocular Lens - ANS-Total magnification method.
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MICR290
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Uploaded on
September 19, 2025
Number of pages
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Written in
2025/2026
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  • micr290
  • 70 ans common dilution of ethanol or isopropyl
  • ex a bacterium that is 2 micrometers long is what
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