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PORTAGE MICROBIOLOGY EXAM #3 QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED GRADED A+ £6.96   Add to cart

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PORTAGE MICROBIOLOGY EXAM #3 QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED GRADED A+

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PORTAGE MICROBIOLOGY EXAM #3 QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED GRADED A+ What is the total magnification of a sample imaged with a 60x objective and a 10x eyepiece? (short answer) 60 x 10 = 600x magnification True or False: A cell that is adherent, flat, and unstained is easily identifi...

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  • June 23, 2024
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  • 2023/2024
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PORTAGE MICROBIOLOGY EXAM #3 QUESTIONS WITH

COMPLETE SOLUTIONS VERIFIED GRADED A+

What is the total magnification of a sample imaged with a 60x objective and a 10x

eyepiece? (short answer)

60 x 10 = 600x magnification

True or False: A cell that is adherent, flat, and unstained is easily identified using

bright field microscopy

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)

Protozoa with 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

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)

Flourescence

This type of microscope can provide detailed images of live cells without staining

(given list of microscopes)

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)

Dark Field

This type of microscope is capable of capturing images in multiple focal planes

rendering specimen in 3D (given list of microscopes)

Confocal

Identify what type of electron microscope was used to capture the following

image and explain your choice

A: TEM, shows 2-D rendering

B: SEM shows 3-D shell models

Gram-Positive cells appear _____ in color due to a _____ peptidoglycan layer in

the cell wall (fill in the blanks)

Purple, thick

Gram-Negative cells appear _____ in color due to a _____ peptidoglycan layer in

the cell wall (fill in the blanks)

Pink, thin

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