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Microbiology Lab Practical 1 (TAMUCC) Questions and Answers 100% Pass $12.49
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Microbiology Lab Practical 1 (TAMUCC) Questions and Answers 100% Pass
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Microbiology Lab Practical 1 (TAMUCC) Questions and Answers 100% Pass How is total magnification calculated? - Multiply the ocular lens (10x) by the objective lens 10x*10=100x 40x*10=400x 100x*10=1000x OCULAR TIME OBJECTIVE what is the function of immersion oil when using the oil immersion...

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  • January 17, 2025
  • 10
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • microbiology lab practical 1 tamucc questions an

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  • Microbiology Lab
  • Microbiology Lab

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Microbiology Lab Practical 1
(TAMUCC) Questions and Answers
100% Pass


How is total magnification calculated? - ✔✔Multiply the ocular lens (10x) by the

objective lens


10x*10=100x


40x*10=400x


100x*10=1000x


OCULAR TIME OBJECTIVE


what is the function of immersion oil when using the oil immersion objective? - ✔✔the

immersion oil allows for magnification and increases the contrast of the specimen


What is meant by the term parfocal? - ✔✔Once the lens is focused on a particular area it

will remain focused on the particular area regardless of changing the objective




Katelyn Whitman, All Rights Reserved © 2025 1

, why aren't the magnifications of both lenses of binocular microscope used to calculate

total magnification? - ✔✔Because the image only goes through one ocular to reach both

eyes


Why is the 10x placed in position when the microscope is stored or carried? - ✔✔The

low-power objective is farther away from the stage than the other objectives so the lens

is less likely to get scrapped during handling.


What is an aseptic technique? What is its importance? Why do you always have to do it

in the microbiology lab? - ✔✔-Microbiologists use aseptic technique for a variety of

procedures such as transferring cultures, inoculating media, isolation of pure cultures,

and for performing microbiological tests.


-Proper aseptic technique prevents contamination of cultures from foreign bacteria

inherent in the environment.


what are some aseptic techniques used when transfering cultures from plate to broth

tube and agar slant? - ✔✔1. Prepare your desktop by swabbing down its surface with a

disinfectant.


2. Wash your hands


3. With a marking pen, label a tube of sterile nutrient broth with name, date and

specimen




Katelyn Whitman, All Rights Reserved © 2025 2

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