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Microbiology Lab Exam 1 Note Cards Exam Questions and Answers 100% Pass $12.49
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Microbiology Lab Exam 1 Note Cards Exam Questions and Answers 100% Pass

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  • Microbiology Lab
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  • Microbiology Lab

Microbiology Lab Exam 1 Note Cards Exam Questions and Answers 100% Pass when viewing a smear with the oil immersion lens the final magnification is - 1000x;10x ocular x 100X objective what is the purpose of heat fixing - kill the bacteria, adhere to glass anddenature the proteins of bacteria ...

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  • January 17, 2025
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Microbiology Lab
  • Microbiology Lab
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KatelynWhitman
Microbiology Lab Exam 1 Note Cards
Exam Questions and Answers 100% Pass


when viewing a smear with the oil immersion lens the final magnification is -

✔✔1000x;10x ocular x 100X objective


what is the purpose of heat fixing - ✔✔kill the bacteria, adhere to glass anddenature the

proteins of bacteria


name oneof the stains or regents used in the gram stain procedure - ✔✔gram crystal

violet, gram iodine, gram sfaranin, 95% ethanol


why are aseptic techniques used in the lab? - ✔✔to ensure that we do not contaminate

what we are working with as as to ensue that we do not acciently inoculate ouselves.

example of aseptic techniques are flaming the loop/needle sterilizing it, breifly flaming

the test tube before and after obtaining the sample.


the gram reaction is due to differences in the structure of wat part of the microbe -

✔✔its cell wall, specifically peptidoglycan, gram positive bacteria have thicker

peptidoglycan layer compared to GN bacteria.


Name 2 inoculating tools you will be using in this lab - ✔✔loop, needle




Katelyn Whitman, All Rights Reserved © 2025 1

, what color is a gram positive microbe - ✔✔purple


waht is the function of the ethanol in the gram stain procedure - ✔✔decolorize


name one of the strains in the acid fast stain - ✔✔cold kinyoun, carbol fuschsin,

methylen blue


name one of the stains in the endospore stain - ✔✔malachite green, safranin


what is the purpose of the acid-fast stain - ✔✔the purpose of the acid-fast stain is to

differentiate between the myobactriace family of bacteria from all other bacteria


what color does na acid-fast microbe stain with acd-fast stain - ✔✔red


what is the function of agarin the media - ✔✔agar allows media to remain solid at room

temperature


what is the difference between broth and agar based media - ✔✔broth is liquid media at

room temperature, agar media is solid at room temp.


what is the funciton of media - ✔✔media is used to provide nutrients to a microbe as

well as a growth medium


what is the name of the plate inoculation technique - ✔✔quadrant steak plate




Katelyn Whitman, All Rights Reserved © 2025 2

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