Portage Microbiology Exam #3 Questions With 100% Correct Answers
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Course
Portage Learning Microbiology
Institution
Portage Learning Microbiology
Portage Microbiology Exam #3 Questions
With 100% Correct Answers
What is the total magnification of a sample imaged with a 60x objective and a 10x eyepiece?
(short answer) - answer60 x 10 = 600x magnification
True or False: A cell that is adherent, flat, and unstained is easily identified using...
Portage Microbiology Exam #3 Questions With 100% Correct Answers What is the total magnification of a sample imaged with a 60x objective and a 10x eyepiece? (short answer) - answer✔✔60 x 10 = 600x magnification True or False: A cell that is adherent, flat, and unstained is easily identified using bright field microscopy - answer✔✔False. Adherent, flat cells are almost invisible due to the limits on both resolution and contrast Which of the following could be seen clearly by the unaided eye? (multiple choice) - answer✔✔Protozoa wit h diameter of 150um and skin cell with diameter of 1500 um (have to be greater than 100um Label the following unmarked microscope components by matching it with the components provided - answer✔✔1. Eyepiece 2. Neck 3. Fine adjustment knob 4. Objective 5. Stage 6. Base This type of microscope is best suited for visualizing GFP, RFP and YFP proteins (given list of microscopes) - answer✔✔Flourescence This type of microscope can provide detailed images of live cells without staining (given list of microscopes) - answer✔✔Phase -Contrast This type of microscope is used to greatly increase the contrast between samples and background by reflecting light off of the specimen (given list of microscopes) - answer✔✔Dark Field This type of microscope is capable of capturin g images in multiple focal planes rendering specimen in 3D (given list of microscopes) - answer✔✔Confocal Identify what type of electron microscope was used to capture the following image and explain your choice - answer✔✔A: TEM, shows 2 -D rendering B: SEM shows 3 -D shell models
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