Bio 222 - Study guides, Class notes & Summaries
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MMBio 222 Lab Questions with Complete Solutions
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Objective of oil immersion lens Correct Answer-100X 
 
Resolving power becomes _____ as magnification of the objective lens _______ Correct Answer-Greater, increases 
 
The light microscope can distinguish two points that are at least _____ um apart Correct Answer-0.2 
 
What is used to sterilize heat sensitive liquids? Correct Answer-Filtration 
 
The streak plate technique uses spatial dilution (Increases the space b/t organisms) to create Correct Answer-pure colonies 
 
The component of MacCo...
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Bio 222 Exam II Quiz Question and answers latest update
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Bio 222 Exam II Quiz Question and answers latest update
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MMBIO 222 Lab Final Questions with Complete Solutions
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What is the total magnification if you use the 40x objective lens? 
a. 4x 
b. 40x 
c. 400x 
d. 4000x Correct Answer-c. 400x 
 
What is the ability of a lens in a light microscope to gather light? 
a. Numerical Aperture 
b. Magnification 
c. Resolving power 
d. Working distance Correct Answer-a. Numerical Aperture 
 
Who is the father of bacteriology and protozoology? 
a. Andre Michel Lwoff 
b. Antonie Van Leeuwenhoek 
c. Lourrens Baas Becking 
d. Fredrick Pier Correct Answer-b. Antonie Van Le...
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MMBio 222 Final Questions with Complete Solutions
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Know the lower limit of resolution for the light microscope Correct Answer-0.2 um 
 
Total magnification vs magnification of the oil immersion lens Correct Answer-Total magnification: product of the magnification of the ocular (10x) and the objective lens 
Oil immersion lens 
 
Define Resolving power Correct Answer-the ability of a microscope to differentiate two closelyk spaced objects as being distinct from one another 
 
Know how resolving power relates to magnification Correct Answer-Resolvi...
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MMBIO 222 Final Exam BYU Questions with Complete Solutions
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*magnification of oil immersion lens Correct Answer-100x 
1.25 
 
Lower limit of resolution with a light microscope Correct Answer-.2 um 
 
What does parfocal mean? Correct Answer-When you have the object in focus with one objective. It will be visible on all objectives with just a minor adjustment from the fine adjustment knob 
- a specimen in focus under the low power objectives (4x or 10x) should be nearly in focus under the oil immersion objective as well 
 
Relationship between resolving po...
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BYU MMBIO 222 Final Questions with Complete Solutions
- Exam (elaborations) • 18 pages • 2024
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What is the lower limit of resolution with the light microscope? Correct Answer-.2µm 
 
Define Parfocal: Correct Answer-A slide in focus will still be in focus to nearly in focus on a different objective. 
 
The magnification of the oil immersion objective is: Correct Answer-100x 
 
The total magnification of the oil immersion is: Correct Answer-1000x, Product of the magnification of the ocular (10x) and the objective lens (100x). 
 
Resolving power: Correct Answer-Ability of a microscope to di...
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MMBio 222 Lab Questions with Complete Solutions
- Exam (elaborations) • 39 pages • 2024
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MMBio 222 Lab Questions with Complete Solutions
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MMBIO 222 Final Exam BYU Questions with Complete Solutions
- Exam (elaborations) • 23 pages • 2024
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MMBIO 222 Final Exam BYU Questions with Complete Solutions
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MMBIO 222 Lab Final Questions with Complete Solutions
- Exam (elaborations) • 20 pages • 2024
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MMBIO 222 Lab Final Questions with Complete Solutions
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MMBIO 222 Questions with Complete Solutions
- Exam (elaborations) • 12 pages • 2024
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The ____ of microorganisms are non pathogenic and ____ cause disease Correct Answer-Majority 
Does not 
 
Working distance becomes _______ as the magnification of the objective lens _______ Correct Answer-Shorter, increases 
 
What is the wavelength of light in a bright field microscope? Correct Answer-500nm 
 
You swab your phone and nothing grew a week later. What could BEST explain this? Correct Answer-The agar plate did not have the correct recipe of nutrients 
 
You inolcultated a loop ful...
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